| Inbound Relationships |
Type |
Active |
Source |
Characteristic |
Refinability |
Group |
| A rare autosomal recessive cerebellar ataxia-epilepsy-intellectual disability syndrome characterized by early-childhood onset of cerebellar ataxia associated with generalized tonic-clonic epilepsy and psychomotor development delay, dysarthria, gaze-evoked nystagmus and learning disability. Other features in some patients include upper motor neuron signs with leg spasticity and extensor plantar responses, and mild cerebellar atrophy on brain MRI. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Kagami-Ogata syndrome is a rare genetic disease characterized by polyhydramnios (mostly due to placentomegaly), fetal macrosomia, abdominal wall defects, skeletal abnormalities (including bell-shaped thorax, coat-hanger appearance of the ribs and decreased mid to wide thorax diameter ratio in infancy), feeding difficulties and impaired swallowing, dysmorphic features (hairy forehead, full cheeks, protruding philtrum, micrognathia), developmental delay and intellectual disability. Additional features may include kyphoscoliosis, joint contractures, diastasis recti, muscular hypotonia. There is increased risk of hepatoblastoma. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Recessive intellectual disability-motor dysfunction-multiple joint contractures syndrome is a rare, genetic, syndromic intellectual disability disorder characterized by severe intellectual disability, progressive, postnatal, multiple joint contractures and severe motor dysfunction. Patients present arrest and regression of motor function and speech acquisition, as well as contractures which begin in lower limbs and slowly progress in an ascending manner to include spine and neck, resulting in individuals presenting a specific fixed position. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, neuro-endocrino-cutaneous disorder characterised by highly variable degrees of alopecia, moderate to severe intellectual disability, progressive, late-onset motor deterioration and combined anterior pituitary hormone deficiency, manifesting with central hypogonadotropic hypogonadism, delayed or absent puberty, growth hormone deficiency (resulting in short stature), progressive central adrenal insufficiency and a hypoplastic anterior pituitary gland. Additional features include hypodontia, flexural reticulate hyperpigmentation, gynaecomastia, microcephaly and kyphoscoliosis. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Hepatic fibrosis-renal cysts-intellectual disability syndrome is a rare, syndromic intellectual disability characterized by early developmental delay with failure to thrive, intellectual disability, congenital hepatic fibrosis, renal cystic dysplasia, and dysmorphic facial features (bilateral ptosis, anteverted nostrils, high arched palate, and micrognathia). Variable additional features have been reported, including cerebellar anomalies, postaxial polydactyly, syndactyly, genital anomalies, tachypnea. There have been no further descriptions in the literature since 1987. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Extrasystoles-short stature-hyperpigmentation-microcephaly syndrome is a rare, genetic, malformation syndrome with short stature characterised by microcephaly, borderline intellectual disability, hyperpigmentation of the skin, short stature, and ventricular extrasystoles. Cardiac syncope may also be associated. There have been no further descriptions in the literature since 1975. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Microcephaly-short stature-intellectual disability-facial dysmorphism syndrome is a rare genetic malformation syndrome with short stature characterized by postnatal microcephaly, failure to thrive and short stature, global developmental delay and intellectual disability, hypotonia, dysmorphic features (short nose, depressed nasal bridge, low set ears, short neck, clinodactyly and cutaneous syndactyly of T2-3 at birth and broad forehead, midface retrusion, epicanthal folds, laterally sparse eyebrows, short nose, long philtrum, widely spaced teeth, micrognathia and coarsening of facial features later in life). Other associated features include postnatal transient generalized edema, myopia, strabismus, hypothyroidism. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Intellectual disability-short stature-hypertelorism syndrome is a rare genetic syndromic intellectual disability characterized by short stature, mild to moderate intellectual disability, craniofacial dysmorphism (prominent broad 'square' forehead, hypertelorism, depressed nasal bridge, broad nasal tip and anteverted nares) and early hypotonia, typically present until infancy. There have been no further descriptions in the literature since 1991. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| X-linked colobomatous microphthalmia-microcephaly-intellectual disability-short stature syndrome is a rare syndromic microphthalmia disorder characterized by microphthalmia with coloboma (which may involve the iris, ciliary body, choroid, retina and/or optic nerve), microcephaly, short stature and intellectual disability. Other eye abnormalities such as pendular nystagmus, esotropia and ptosis may also be present. Additional associated abnormalities include kyphoscoliosis, anteverted pinnae with minimal convolutions, diastema of the incisors and congenital pes varus. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Polymicrogyria with optic nerve hypoplasia is a rare genetic syndrome with central nervous system malformations characterized by severe developmental delay, neonatal hypotonia, seizures, optic nerve hypoplasia and distinct central nervous system malformations including extensive bilateral polymicrogyria, dysplastic or absent corpus callosum and malformed brainstem with loss of demarcation of the pontomedullary junction. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Pseudoleprechaunism syndrome, Patterson type is a rare, genetic, adrenal disorder characterized by congenital bronzed hyperpigmentation, cutis laxa of the hands and feet, body disproportion (comprising large hands, feet, nose and ears), hirsutism and severe intellectual disability. Patients additionally present hyperadrenocorticism, cushingoid features, premature adrenarche and diabetes mellitus, as well as skeletal deformities (not present at birth and which progress with age). There have been no further descriptions in the literature since 1981. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare disorder of branched-chain amino acid metabolism characterized by childhood-onset epilepsy, autism and intellectual disability with reduced levels of plasma branched chain aminoacids. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Jawad syndrome is a rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by congenital microcephaly with facial dysmorphism (sloping forehead, prominent nose, mild retrognathia), moderate to severe, non-progressive intellectual disability and symmetrical digital malformations of variable degree, including brachydactyly of the fifth fingers with single flexion crease, clinodactyly, syndactyly, polydactyly and hallux valgus. Congenital anonychia and white café au lait-like spots on the skin of hands and feet are also associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Developmental and speech delay due to SOX5 deficiency is a rare genetic syndromic intellectual disability characterized by mild to severe global developmental delay, intellectual disability and behavioral abnormalities, hypotonia, strabismus, optic nerve hypoplasia and mild facial dysmorphic features (down slanting palpebral fissures, frontal bossing, crowded teeth, auricular abnormalities and prominent philtral ridges). Other associated clinical features may include seizures and skeletal anomalies (kyphosis/scoliosis, pectus deformities). |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare neurologic disease characterized by global developmental delay, intellectual disability, multiple ischemic lesions in brain MRI, behavioral abnormalities, dystonia, choreic movements and pyramidal syndrome, facial dysmorphism (hypertelorism, arched palate, macroglossia), retinitis pigmentosa, scoliosis, seizures. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic syndromic intellectual disability characterized by global developmental delay and borderline to severe intellectual disability, autism spectrum disorder with obsessive behavior, stereotypies, hyperactivity but frequently friendly and affable personality, feeding difficulties, short stature, muscular hypotonia, microcephaly, characteristic dysmorphic features (hypertelorism, high arched eyebrows, ptosis, deep and/or broad nasal bridge, broad/prominent nasal tip, short and/or upturned philtrum, narrow mouth, and micrognathia), and skeletal anomalies (kyphosis and/or scoliosis, arthrogryposis, slender habitus and extremities). Other clinical features may include hernias, congenital heart defects, cryptorchidism and seizures. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare partial autosomal trisomy/tetrasomy characterized by facial dysmorphism (long thin face, prominent forehead, down-slanting palpebral fissures, prominent nose with broad nasal bridge, prominent chin), pre- and postnatal overgrowth, renal anomalies (e.g. horseshoe kidney, renal agenesis, hydronephrosis), mild to severe learning difficulties and behavioral abnormalities. Additional features may include craniosynostosis and macrocephaly. |
Is a |
True |
Intellectual disability |
Inferred relationship |
Some |
|
| RAB18 deficiency causes two disorders with similar signs and symptoms; Warburg micro syndrome and Martsolf syndrome. Both of these diseases are considered to be part of the same disease spectrum because of similar features and shared genetic cause. Manifestations include eye problems from birth including cataracts, microphthalmia and microcornea, intellectual disability, delayed development hypotonia, spasticity and joint contractures. Martsolf syndrome affects the same body systems as Warburg micro syndrome but is usually less severe. RAB18 deficiency is caused by mutations in the RAB3GAP1, RAB3GAP2, RAB18, or TBC1D20 gene. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder characterized by craniofacial features, global developmental delay, intellectual disability and variable neurobehavioral abnormalities (autism spectrum disorder, aggressiveness, and self-injury). Additional features include vision abnormalities and variable sensorineural hearing loss, as well as short stature, hypotonia and gastrointestinal manifestations (e.g. poor feeding, gastroesophageal reflux, constipation). |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic neurodevelopmental disorder characterized by early-onset drug-resistant seizures and severe neurodevelopmental impairment with major motor development delay. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| X-linked intellectual disability-craniofacioskeletal syndrome is a rare, hereditary, syndromic intellectual disability characterized by craniofacial and skeletal abnormalities in association with mild intellectual disability in females and early postnatal lethality in males. In addition to mild cognitive impairment, females present with microcephaly, short stature, skeletal features and extra temporal lobe gyrus. In males, intrauterine growth impairment, cardiac and urogenital anomalies have been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Spondyloepimetaphyseal dysplasia, Geneviève type is a rare primary bone dysplasia characterized by severe developmental delay and skeletal dysplasia (including short stature, premature carpal ossification, platyspondyly, longitudinal metaphyseal striations, and small epiphyses), as well as moderate to severe intellectual disability and facial dysmorphism, including prominent forehead, mild synophrys, depressed nasal bridge, prominent bulbous nasal tip and full lips. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by occipital atretic cephalocele associated with a specific facial dysmorphism (consisting of prominent forehead, narrow palpebral fissures, midface deficiency, narrow, malformed ears, broad nose and nasal root, grooved nasal tip and columella, laterally angulated, hypoplastic nares, short philtrum, thin upper lip, clift lip/palate, severe oligodontia, prominent chin) and large feet with sandal gap. Intellectual disability, developmental delay and hypoplastic finger and toenails have also been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| CK syndrome is a rare, genetic, X-linked syndromic intellectual disability disorder characterized by mild to severe intellectual disability, infancy-onset seizures, post-natal microcephaly, cerebral cortical malformations, dysmorphic facial features (including long, narrow face, almond-shaped palpebral fissures, epicanthic folds, high nasal bridge, malar flattening, posteriorly rotated ears, high arched palate, crowded teeth, micrognathia) and thin body habitus. Long and slim fingers/toes, strabismus, hypotonia, spasticity, optic disc atrophy, and behavioral problems (aggression, attention deficit hyperactivity disorder and irritability) are additional features. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare congenital disorder of glycosylation characterized by moderate intellectual disability, short stature, mild skeletal changes and distinctive facial features with coarse face, synophrys and deep nasolabial ridges. Skeletal features include broad ribs, stocky long bones, short femoral necks with coxa valga, clinodactyly and broad thumbs. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Intellectual disability-facial dysmorphism-hand anomalies syndrome is a rare syndromic intellectual disability disorder characterized by moderate intellectual disability, variable hand abnormalities (including brachydactyly, cutaneous and osseous syndactyly), and facial dysmorphism that includes short palpebral fissures, bulbous nasal tip, thin upper and lower vermilion and broad, pointed chin. Other features, including obesity, microcephaly, short stature and a grimacing smile may be observed. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder with a variable phenotypic presentation typically characterized by microcephaly, severe feeding difficulties, failure to thrive, severe global development delay that frequently results in absent/poor speech, moderate to severe intellectual disability and hypotonia. Distinctive craniofacial features include prominent forehead, high-arched, thin eyebrows, hypertelorism, downslanting palpebral fissures, long, tubular nose with broad tip and prominent nasal bridge and wide mouth with full, everted lower lip. Joint laxity and ulnar deviation of wrists are also frequently observed. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic immuno-osseous dysplasia associated with pre- and post-natal growth retardation, retinopathy, microcephaly, intellectual disability and dysmorphic features. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder characterized by moderate to severe intellectual disability and esotropia. Other associated features may include growth failure (underweight, failure to thrive, short stature), microcephaly, tone abnormalities (hypotonia, spasticity), epilepsy, behavioral problems (hyperactivity, aggressiveness), and/or abnormal brain morphology, including arachnoid cyst, cerebral atrophy, mild ventriculomegaly, abnormal CNS myelination or corpus callosum agenesis. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability syndrome characterized by severe intellectual disability with limited or absent speech and language, short stature, acquired microcephaly, kyphoscoliosis or scoliosis, and behavioral disturbances that include hyperactivity, stereotypy and aggressiveness. Facial dysmorphism, that typically includes sloping forehead, mild synophrys, deep-set eyes, strabismus, anteverted large ears, prominent nose and dental malposition, is also characteristic. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| 9q31.1q31.3 microdeletion syndrome is a rare, genetic, syndromic intellectual disability characterized by mild intellectual disability, short stature with high body mass index, short neck with cervical gibbus and dysmorphic facial features. A metabolic syndrome, including type 2 diabetes, hypercholesterolemia and hypertension has also been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare hereditary ataxia characterized by an early onset symptomatic generalized epilepsy, progressive cerebellar ataxia resulting in significant difficulties to walk or wheelchair dependency, and intellectual disability. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Short ulna-dysmorphism-hypotonia-intellectual disability syndrome is a rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by mild to severe global development delay, severe intellectual disability, mild hypotonia, a short ulna, hirsutism of the face and extremities, minimal scoliosis, and facial dysmorphism, notably a tall broad forehead, synophrys, hypertelorism, malar hypoplasia, broad nose with thick alae nasi, low-set, small ears, long philtrum, thin upper lip and everted lower lip vermilion. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| 13q12.3 microdeletion syndrome is a rare chromosomal anomaly characterized by moderate intellectual disability, speech delay, postnatal microcephaly, eczema or atopic dermatitis, characteristic facial features (malar flattening, prominent nose, underdeveloped alae nasi, smooth philtrum, and thin vermillion of the upper lip), and reduced sensitivity to pain. |
Is a |
True |
Intellectual disability |
Inferred relationship |
Some |
|
| Early-onset epileptic encephalopathy-cortical blindness-intellectual disability-facial dysmorphism syndrome is a rare, syndromic intellectual disability syndrome characterized by cortical blindness, different types of seizures, intellectual disability with limited or absent speech, and dysmorphic facial features. Brain imaging typically shows mild pontine hypoplasia, hypoplasia of the corpus callosum and atrophy in the occipital region. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Hypohidrosis-enamel hypoplasia-palmoplantar keratoderma-intellectual disability syndrome is a rare, genetic, syndromic intellectual disability disorder characterised by severe intellectual disability with significant speech and language impairment, hypohidrosis (often resulting in hyperthermia) with normal sweat gland appearance, tooth enamel hypoplasia, palmoplantar hyperkeratosis and a high frequency of acquired microcephaly. Mild facial dysmorphism, including lateral flaring of the eyebrows, broad nasal tip, and thick vermilion border, may also be observed. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| 14q24.1q24.3 microdeletion syndrome is a rare, genetic, syndromic intellectual disability characterized by mild intellectual disability, delayed speech development, congenital heart defects, brachydactyly and dysmorphic facial features. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, autosomal recessive, syndromic intellectual disability disorder characterized by global development delay, mild microcephaly, mild to severe intellectual disability and non-specific facial dysmorphism in association with variable multiple congenital anomalies including congenital heart defects, dental anomalies, cryptorchidism, renal and cerebral malformations. Short stature is frequent. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, neurodevelopmental disorder characterized by global developmental delay, borderline to severe intellectual disability, feeding difficulties, behavioral anomalies, vision anomalies and mild facial dysmorphism. Other associated features may include microcephaly, short stature, urogenital or palatal anomalies (e.g. cleft palate), minor cardiac defects, recurrent infections or hearing loss. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder characterized by global development delay with very limited or absent speech and language, severe intellectual disability, long slender fingers, ocular abnormalities (typically strabismus or hypermetropia), and facial dysmorphism that includes a grimacing facial expression, a tubular-shaped nose with a prominent, broad base and tip, and other variable features, such as broad forehead, hypertelorism, deep-set eyes, narrow palpebral fissures, short philtrum and/or broad mouth. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Schwere früh-beginnende Adipositas mit Insulin-Resistenz-Syndrom durch SH2B1-Mangel |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic syndromic intellectual disability characterized by mild to moderate intellectual disability, developmental delay (with speech and language development more severely affected). Association with infantile hypotonia, seizures, cryptorchidism in males and congenital abnormalities, including cardiac, cerebral or ocular defects, may be observed. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by moderate to severe intellectual disability, congenital aphonia, hearing loss, optic atrophy, retinal dystrophy, broad thumbs and duplicated halluces. Facial dysmorphism (including thick eyebrows, ptosis, long, downslanting palpebral fissures, microstomia, low-set, posteriorly rotated ears) and genital abnormalities are also associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare syndromic X-linked intellectual disability characterized by cognitive impairment, behavioral and psychiatric problems, obesity, recurrent infections, atopic diseases, and distinctive facial features in males. Females are clinically asymptomatic or mildly affected, presenting mild learning difficulties and facial dysmorphism. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Rare non-syndromic intellectual disability is a rare, hereditary, neurologic disease characterized by early-onset cognitive impairment as a sole disability. The disease may be associated with autism, epilepsy and neuromuscular deficits. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| X-linked intellectual disability-cardiomegaly-congestive heart failure syndrome is a rare X-linked syndromic intellectual disability disorder characterized by profound intellectual disability, global developmental delay with absent speech, seizures, large joint contractures, abnormal position of thumbs and middle-age onset of cardiomegaly and atrioventricular valve abnormalities, resulting in subsequent congestive heart failure. Additional features include variable facial dysmorphism (notably large ears with overfolded helix) and large testes. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare multiple congenital anomalies/dysmorphic syndrome characterized by craniofacial dysmorphism (brachycephaly resulting from craniosynostosis, frontal bossing, downslanting palpebral fissures, large and low-set ears, depressed nasal bridge, high-arched, wide palate, thin upper lip), impaired neurological development with intellectual disability, hypotonia, pyloric stenosis, pectus excavatum, bilateral cryptorchidism and short stature. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare junctional epidermolysis bullosa subtype characterized by late-onset blistering surrounded by erythema and localized on the anterior aspect of the lower legs, associated with dystrophic toenails, tooth enamel defects and mild to severe intellectual disability. Lens subluxation and mild facial dysmorphism (with short midface, prognathism and thin upper lip vermilion) are additional reported features. There have been no further descriptions in the literature since 1992. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Cutis laxa mit schweren Lungen-, Magen-, Darm- und Harnwegs-Anomalien |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by cerebellar-like ataxia, photosensitivity (mainly of the face and trunk), short stature and intellectual disability. Additional features include clinodactyly, single palmar transverse crease, high-arched palate, pseudohypertrophy of the calves and aortic valve lesions. There have been no further descriptions in the literature since 1983. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Deafness-onychodystrophy syndrome is a group of rare, genetic, developmental defect during embryogenesis disorders characterized by the association of sensorineural deafness and onychodystrophy (e.g. absent/hypoplastic finger and toenails), as well as brachydactyly and finger-like thumbs. Additional features present in one of the diseases comprising this group include osteodystrophy, intellectual disability, seizures, developmental delay, and distinctive facies. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, syndromic intellectual disability characterized by hypotonia, developmental delay, absent or severly delayed speech development, intellectual disability, obstructive sleep apnea, mild dysmorphic facial features and behavioral abnormalities. Epilepsy, ataxia and nystagmus have also been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Intellectual disability-obesity-prognathism-eye and skin anomalies syndrome is a rare, genetic, syndromic intellectual disability disorder characterized by mild to profound intellectual disability, delayed speech, obesity, ocular anomalies (blepharophimosis, blepharoptosis, hyperopic astigmatism, decreased visual acuity, strabismus, abducens nerve palsy, and/or accommodative esotropia), and dermal manifestations, such as chronic atopic dermatitis. Associated craniofacial dysmorphism includes macrocephaly, maxillary hypoplasia, mandibular prognathism, and crowding of teeth. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| FBLN1-related developmental delay-central nervous system anomaly-syndactyly syndrome is a rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by delayed motor development, intellectual disability, dysarthria, pseudobulbar signs, cryptorchidism, and syndactyly associated with a FLBN1 gene point mutation. Macular degeneration and signs of brain atrophy and spinal cord compression have also been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Piebald trait-neurologic defects syndrome is a rare, genetic, pigmentation anomaly of the skin syndrome characterized by ventral as well as dorsal leukoderma of the trunk and a congenital white forelock, in association with cerebellar ataxia, impaired motor coordination, intellectual disability of variable severity and progressive, mild to profound, uni- or bilateral sensorineural hearing loss. There have been no further descriptions in the literature since 1971. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder, with highly variable phenotype, typically characterized by mild to severe global development delay, severe speech and language impairment, mild to severe intellectual disability, dysphagia, hypotonia, relative to true macrocephaly, and behavioral problems that may include autistic features, hyperactivity, and mood lability. Facial gestalt typically features a broad, prominent forehead, hypertelorism, downslanting palpebral fissures, ptosis, a short bulbous nose with broad tip, thick vermilion border, wide, and open mouth with downturned corners. Brain, cardiac, urogenital and ocular malformations may be associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic dysostosis characterized by bilateral, symmetrical, preaxial brachydactyly associated with hyperphalangy, motor developmental delay and intellectual disability, growth retardation, sensorineural hearing loss, dental abnormalities (including misalignment of teeth, talon cusps, microdontia), and facial dysmorphism that includes plagiocephaly, round face, hypertelorism, malar hypoplasia, malformed ears, microstomia and micro/retrognathia. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic multiple congenital anomalies/dysmorphic syndrome characterized by congenital microcephaly, severe epilepsy with hypsarrhythmia, adducted thumbs, abnormal genitalia, and normal thyroid function. Hypotonia, moderate to severe psychomotor delay, and characteristic facial dysmorphism (including round face with prominent cheeks, blepharophimosis, large, bulbous nose with wide alae nasi, posteriorly rotated ears with dysplastic conchae, narrow mouth, cleft palate, and mild micrognathia) are additional characteristic features. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare syndromic microphthalmia characterized by bilateral, usually asymmetrical, microphthalmia associated typically with a unilateral coloboma, truncal obesity, borderline to mild intellectual disability, hypogenitalism and, more variably, nystagmus, cataracts and developmental delay. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A form of hypotonia-cystinuria type 1 syndrome characterized by mild to moderate intellectual disability in addition to classic hypotonia-cystinuria syndrome phenotype (cystinuria type 1, generalized hypotonia, poor feeding, growth retardation, and minor facial dysmorphism). |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| déficience intellectuelle associée à SYNGAP1 (synaptic Ras GTPase activating protein 1) |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic disorder of thiamine metabolism and transport characterized by infantile spasms progressing to symptomatic generalized or partial seizures, severe global developmental delay, progressive brain atrophy, and bilateral thalamic and basal ganglia lesions. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare hemolytic anemia characterized by combination of neurologic features, such as psychomotor delay, seizures, variable movement disorders, and hemolytic anemia with stomatocytosis, resulting in cation-leaky erythrocytes, pseudohyperkalemia, hemolytic crises and hepatosplenomegaly. Cataracts are also a presenting feature. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, fatal, inborn error of metabolism disorder characterized by respiratory distress and severe hypotonia at birth, severe global developmental delay, early-onset intractable seizures, myopathic facies with craniofacial dysmorphism (trigonocephaly/progressive microcephaly, low anterior hairline, arched eyebrows, hypotelorism, strabismus, small nose, prominent philtrum, thin upper lip, high-arched palate, micrognathia, malocclusion), severe, congenital flexion joint contractures and elevated serum creatine kinase levels. Scoliosis, optic atrophy, mild hepatomegaly, and hypoplastic genitalia may also be associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, syndromic intellectual disability characterized by intellectual disability of various severity, hypotonia, feeding difficulties, dysmorphic features, autism and behavioral issues. Growth retardation, congenital heart anomalies, gastrointestinal and genitourinary defects have been rarely associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, neurometabolic disorder characterised by severe, progressive microcephaly, severe to profound global development delay, intellectual disability, seizures (typically tonic and/or myoclonic and frequently intractable), hyperekplexia, and axial hypotonia with appendicular spasticity, as well as hyperreflexia, dyskinetic quadriplegia, and abnormal brain morphology (cerebral atrophy with variable additional features including ventriculomegaly, pons and/or cerebellar hypoplasia, simplified gyral pattern and delayed myelination). Cortical blindness, feeding difficulties and respiratory insufficiency may also be associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, central nervous system malformation syndrome characterized by early-onset, progressive, severe cerebellar ataxia associated with progressive, moderate to severe intellectual disability, global developmental delay, progressively coarsening facial features, relative macrocephaly and absence of seizures. Sensorineural hearing loss may be associated. Neuroimaging reveals cerebellar atrophy/hypoplasia. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder characterized by congenital, external, nuclear ophthalmoplegia, lingua scrotalis, progressive chorioretinal sclerosis and intellectual disability. Bilateral ptosis, bilateral facial weakness, Parinaud's syndrome, convergence paresis and myopia may be associated. There have been no further descriptions in the literature since 1975. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Richieri Costa-da Silva syndrome is a rare, genetic, myotonic syndrome characterized by childhood onset of progressive and severe myotonia (with generalized muscular hypertrophy and progressive impairment of gait), short stature, skeletal abnormalities (including pectus carinatum, short, wedge-shaped thoracolumbar vertebrae, kyphoscoliosis, genu valgum, irregular femoral epiphyses), and mild to moderate intellectual deficiency. No facial dysmorphism nor joint limitation is associated. There have been no further descriptions in the literature since 1984. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic syndromic intellectual disability characterized by developmental delay, hypotonia, speech delay, mild to moderate intellectual disability, abnormal behavior (autistic, aggressive, hyperactive) and dysmorphic facial features, including synophrys or thick eyebrows, deep set eyes, bulbous nasal tip and full cheeks. Congenital heart and brain anomalies, visual and hearing impairment are also common. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, multiple congenital anomalies/dysmorphic syndrome characterized by craniofacial dysmorphism, including microbrachycephaly, sloping forehead, micro/anophthalmia, large ears, prominent nasal root, mild micrognathia, and cleft palate, associated with cerebral palsy with choreoathetoid movements, intellectual disability, dextrocardia and longitudinal folding of plantae pedis. There have been no further descriptions in the literature since 1992. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, neurological disease characterized by association of macrocephaly, dysmorphic facial features and psychomotor delay leading to intellectual disability and autism spectrum disorder. Facial dysmorphism may include frontal bossing, hypertelorism, midface hypoplasia, depressed nasal bridge, short nose, and long philtrum. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, congenital muscular dystrophy due to dystroglycanopathy disorder characterized by a wide phenotypic spectrum which includes hypotonia and muscular weakness present at birth or early infancy and delayed or arrested motor development, associated with mild to severe intellectual disability and variable brain abnormalities on neuroimaging studies. Feeding difficulties, joint and spinal deformities, respiratory insufficiency, and ocular anomalies (e.g. strabismus, retinal dystrophy, oculomotor apraxia) may be associated. Decreased or absent alpha-dystroglycan on immunohistochemical muscle staining and elevated serum creatine kinase are observed. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, X-linked syndromic intellectual disability disorder characterized by moderate to severe intellectual disability associated with epilepsy, short stature, autistic features and behavioral problems, such as self-injury and aggressive outbursts. Observed facial dysmorphism includes brachycephaly, prominent supraorbital ridges, and deep set eyes. Additional variable manifestations include malposition of feet, asthenic habitus, hyporeflexia, bowel occlusions, hydronephrosis, ren arcuatus, delayed motor development and disturbed sleep-wake cycle. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, syndromic intellectual disability characterized by global developmental delay including severely delayed or absent speech, moderate to severe intellectual disability, behavioral issues, stereotypic behavior, febrile seizures and epilepsy, abnormal gait, vision defects, and characteristic facial features. Intrauterine growth restriction and feeding difficulties are frequently present. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, multiple congenital anomalies/dysmorphic syndrome characterized by severe white matter hypoplasia, corpus callosum agenesis or extreme hypoplasia, severe intellectual disability, failure to thrive and minor midline facial dysmorphism (including hypertelorism, broad nasal root, micrognathia). There have been no further descriptions in the literature since 1993. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare congenital muscular alpha-dystroglycanopathy with brain and eye anomalies disease characterized by a severe muscle-eye-brain disease-like phenotype associated with intellectual disability, muscular dystrophy, macrocephaly and extended bilateral multicystic white matter disease. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, X-linked, syndromic intellectual disability disease characterized by neonatal hypertonia which evolves to hypotonia and an exaggerated startle response (to sudden visual, auditory or tactile stimuli), followed by the development of early-onset, frequently refractory, tonic or myoclonic seizures. Progressive epileptic encephalopathy, intellectual disability, and psychomotor development arrest, with subsequent decline, may be additionally associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic syndromic intellectual disability characterized by developmental delay, mild to severe intellectual disability, facial features (bulbous nasal tip, and macroglossia, macrostomia, or open mouth appearance) and a wide spectrum of other nonspecific variable clinical features. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, chromosomal anomaly syndrome resulting from a partial deletion of the long arm of chromosome 21 characterized by pre- and post-natal growth delay, short stature, intellectual disability, developmental delay with severe language impairment, thrombocytopenia, and craniofacial dysmorphism which may include microcephaly, downslanted palpebral fissures, low-set ears, broad nose, thin upper vermillion, and downturned corners of the mouth. Brain MRI abnormalities (such as agenesis of the corpus callosum), behavioral problems and seizures may be associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disorder characterized by variable degrees of intellectual disability, behavioral problems (including attention deficit and hyperactivity disorder, autism spectrum disorder, and aggressiveness), an altered sleeping pattern, and delayed speech and language development associated with disruption of ankyrin-3 (ANK3 gene). Additional features observed may include muscular hypotonia and spasticity. Epilepsy, chronic hunger, and dysmorphic facial features have been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, syndromic intellectual disability disease characterized by global developmental delay, microcephaly, mild to moderate intellectual disability, truncal ataxia, trunk and limb, or generalized, choreiform movements, and elevated serum creatine kinase levels. Variably associated features include mild cerebral atrophy, muscular weakness or hypotonia in early childhood, and/or seizures. Ocular abnormalities (e.g. exophoria, anisometropia, amblyopia) have been reported. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Prune belly syndrome with pulmonic stenosis, intellectual disability and deafness (disorder) |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Lethal ataxia with deafness and optic atrophy (also known as Arts syndrome) is characterised by intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Cross syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Hennekam lymphangiectasia-lymphedema syndrome (disorder) |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic developmental and neurological disorder characterised by the association of partial bilateral aniridia (or iris hypoplasia), with non-progressive cerebellar ataxia, intellectual disability, and congenital hypotonia. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Seckel syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Fragile X syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Angelman syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Lowe syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, genetic, epilepsy syndrome characterized by congenital alopecia, early-onset epilepsy, intellectual disability and speech delay. Large stature, delayed bone development and abnormal electroencephalogram have also been associated. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Blepharophimosis, intellectual disability syndrome (disorder) |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Woodhouse-Sakati syndrome is a multisystemic disorder characterized by hypogonadism, alopecia, diabetes mellitus, intellectual deficit and extrapyramidal signs with choreoathetoid movements and dystonia. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Myhre syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| syndrome de délétion 14q32 |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| X-linked intellectual disability hypotonic face syndrome |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| Tetrasomy 12p syndrome (disorder) |
Is a |
True |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare, fatal multiple congenital anomalies/dysmorphic syndrome characterized by facial dysmorphism (including dolichocephaly/scaphocephaly, high frontal hairline, laterally overlapping upper eyelids, hypertelorism, prominent eyelashes, deep-set eyes, macrocornea, nystagmus, dysplastic ears, abnormal auricles, prominent nasal bridge, dental dysplasia), visual impairment, deafness, seizures, generalized skeletal dysplasia, high fingerprint ridge count, cryptorchidism, hypospadias, spasticity and severe intellectual disability. An increased chromosome breakage and a fatal lymphoid malignancy have been reported. There has been no further description in the literature since 1974. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic neurological disorder characterized by a pregnancy complicated by polyhydramnios, severe intractable epilepsy presenting in infancy, severe hypotonia, decreased muscle mass, global developmental delay, craniofacial dysmorphism (long face, large forehead, peaked eyebrows, broad nasal bridge, hypertelorism, large mouth with thick lips), and macrocephaly due to megalencephaly and hydrocephalus in most patients. Additional features that have been reported include cardiac anomalies like atrial septal defects, diabetes insipidus, and nephrocalcinosis, among others. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
| A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by global developmental delay and moderate to severe intellectual disability, as well as variable other manifestations, such as macro- or microcephaly, epilepsy, hypotonia, behavioral problems, stereotypic movements, and facial dysmorphism (including arched eyebrows, long palpebral fissures, prominent nasal bridge, upturned nose, dysplastic ears, and broad mouth), among others. Brain imaging may show cerebellar anomalies, hypoplastic corpus callosum, enlarged ventricles, polymicrogyria, or white matter abnormalities. |
Is a |
False |
Intellectual disability |
Inferred relationship |
Some |
|
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