| Inbound Relationships |
Type |
Active |
Source |
Characteristic |
Refinability |
Group |
| A rare syndrome characterized by severe reduction or absence of the fibula and complex brachydactyly. Less than 30 cases have been described in the literature so far. The syndrome is inherited in an autosomal recessive manner and is caused by mutations in the cartilage-derived morphogenetic protein-1 gene (GDF5). |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare disorder characterized by growth retardation with prenatal onset, cataracts, microcephaly, intellectual deficit, immune deficiency, delayed ossification and enamel hypoplasia. It has been described in two siblings. Transmission is autosomal recessive. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Ophthalmomandibulomelic dysplasia is characterized by complete blindness due to corneal opacities, difficult mastication due to temporomandibular fusion and anomalies of the arms. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| An early-onset distal osteolysis characterized by severe resorption of the hands and feet and absence of the distal and middle phalanges. It has been described in a son and daughter born to consanguineous parents. Other manifestations include distal muscular hypertrophy, flexion contractures, short stature, mild intellectual deficit and characteristic facies (maxillary hypoplasia, exophthalmos, and a broad nasal tip). It is transmitted as an autosomal recessive trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic syndrome with limb reduction defects characterized by skeletal malformations comprising absent or hypoplastic pelvic bones (including sacral agenesis or hypoplasia), intercalary limb deficiencies (phocomelia potentially combined with polydactyly, oligodactyly or ectrodactyly), and skull defects (frequently a defect of the occipital bone with or without meningocele). Additional features may include thoracic dystrophy, dysmorphic facial features (dysplastic and large ears, and a high and narrow palate), and genital malformations (Mullerian aplasia, agenesis of the uterus and vagina, micropenis with cryptorchidism). Growth and mental development are not affected. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Stapes fixation (stapediovestibular ankylosis) is a hearing loss condition that appears as a consequence of annular ligament destruction followed by excessive connective tissue production during the healing process. This condition is mainly observed in otosclerosis but is also found in chronic otitis media with tympanosclerosis, and other rare bone diseases such as Paget's disease and osteogenesis imperfecta (Lobstein disease). |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Tibial aplasia-ectrodactyly syndrome is a rare condition characterized by congenital ectrodactylous limb malformations associated with tibial aplasia or hypoplasia. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Gnathodiaphyseal dysplasia (GDD) is a bone dysplasia characterized by bone fragility, frequent bone fractures at a young age, cemento-osseous lesions of the jaw bones, bowing of tubular bones (tibia and fibula) and diaphyseal sclerosis of long bones associated with generalized osteopenia. GD follows an autosomal dominant mode of transmission. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare ectodermal dysplasia syndrome characterized by neonatal teeth, hypo- or oligodontia of the secondary dentition, flexural acanthosis nigricans, and sparse body and scalp hair (the latter being thin and slow-growing). There have been no further descriptions in the literature since 1995. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Growth delay due to IGF-I resistance is characterized by variable intrauterine and postnatal growth retardation and elevated serum IGF-I levels. Addition features include variable degrees of intellectual deficit, microcephaly and dysmorphism (broad nasal bridge and tip, smooth philtrum, thin upper and everted lower lips, short fingers, clinodactyly, wide-set nipples and pectus excavatum). |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic syndromic intellectual disability characterized by language delay and mild to moderate intellectual disability associated with truncal obesity, congenital nonprogressive retinal dystrophy with poor night vision and reduced visual acuity, and micropenis in males. Cataracts may occur in the second or third decade of life. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Chondrodysplasia punctata, Toriello type is a rare, non-rhizomelic, primary bone dysplasia syndrome characterized by calcific stippling of epiphyses in association with minor facial abnormalities, short stature and ocular colobomata. In addition, patients present chondrodysplasia punctata, brachycephaly, flat facial profile with small nose, flat lower eyelids and low-set ears, developmental delay, brachytelephalangy and deep palmar creases. Complex congenital cardiac disease and central nervous system anomalies (including partial absence of corpus callosum, small vermis, enlargement of the cisterna magna and/or of the anterior horns of the lateral ventricles) have been reported. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare vascular anomaly or angioma characterized by the presence of small, multifocal bluish-purple venous lesions mainly involving the skin. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Spondyloocular syndrome (disorder) |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare autosomal dominant disorder characterized by aplasia, atresia or hypoplasia of the lacrimal and salivary glands leading to varying features since infancy such as recurrent eye infections, irritable eyes, epiphora, xerostomia, dental caries, dental erosion and oral inflammation. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Mild spondyloepiphyseal dysplasia with early onset osteoarthritis due to collagen type II alpha 1 mutation (disorder) |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, with an extra, well-formed, functional digit at the metacarpophalangeal/metatarsophalangeal or carpometacarpal/tarsometatarsal joint. The malformation can be an isolated finding or be associated with a large number of other anomalies. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare congenital limb malformation characterized by duplication of the fifth digit in a hand or foot, the sixth digit being rudimentary, poorly developed, and non-functional, frequently consisting of additional soft tissue on a pedicle. The anomaly can be unilateral or bilateral. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Polydactyly of a triphalangeal thumb or PPD2 is a form of preaxial polydactyly of fingers, a limb malformation syndrome, that is characterized by the presence of a usually opposable triphalangeal thumb with or without additional duplication of one or more skeletal components of the thumb. The thumb appearance can differ widely in shape (wedge to rectangular) or it can be deviated in the radio-ulnar plane (clinodactyly). PPD2 is also associated with systemic syndromes, including Holt-Oram syndrome and Fanconi anemia. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, congenital limb malformation characterized by shortened or underdeveloped middle phalanges of all digits, that are sometimes fused with the terminal phalanges. The proximal phalanges of the thumbs and big toes are also shortened. Short stature in adulthood has been reported in association. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare congenital limb malformation characterized by short middle phalanges of the 2nd and 5th fingers and absence of the middle phalanges of toes 2 to 5. Occasionally, the 4th digit may be affected and manifests with an abnormally shaped middle phalanx which causes radial deviation of the distal phalanx. Other hand/foot malformations, such as syndactyly, polydactyly, reduction defects and symphalangism, may be associated. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare primary bone dysplasia disorder characterized by brachymesophalangy with mesomelic short limbs, and carpal and tarsal bone abnormalities. In general, the affected individuals are of slightly short stature and normal intelligence. The syndrome has been described in a kindred with seven affected members from three generations. Transmission appears to be autosomal dominant. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare non-syndromic syndactyly characterized by complete or partial webbing between the 3rd and 4th fingers and/or the 2nd and 3rd toes. Other digits may be involved occasionally. The phenotype varies widely within and between families, sometimes only the hands are affected and sometimes only the feet. Webbing between fingers may be associated with bony fusion of the distal phalanges. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare non-syndromic syndactyly characterized by a distinctive combination of syndactyly and polydactyly, generally affecting the 3rd and 4th fingers and the 4th and 5th toes, bilaterally, with partial or complete reduplication of a digital ray within the syndactylous web. Additional features include 5th finger clinodactyly, camptodactyly and/or brachydactyly. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare non-syndromic syndactyly characterized by complete and bilateral syndactyly between the 4th and 5th fingers. In most cases, it is a soft tissue syndactyly, but occasionally the distal phalanges may be fused. The middle phalanx of the fifth finger is usually hypoplastic, and the feet are not affected. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Type 1 lissencephaly due to doublecortin (DCX) gene mutations is a semi-dominant X-linked disease characterized by intellectual deficiency and seizures that are more severe in male patients. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Smith-McCort dysplasia (SMC) is a rare spondyloepimetaphyseal dysplasia characterized by the clinical manifestations of coarse facies, short neck, short trunk dwarfism with barrel-shaped chest and rhizomelic limb shortening, as well as specific radiological features (i.e. generalized platyspondyly with double-humped vertebral end plates and iliac crests with a lace-like appearance) and normal intelligence. The clinical and skeletal features are similar to those seen in the allelic disorder Dyggve-Melchior-Clausen syndrome but can be distinguished from this syndrome by the absence of intellectual deficiency and microcephaly in SMC. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare polymalformative syndrome characterized by agenesis of corpus callosum (CC), distal anomalies of limbs, minor craniofacial anomalies and intellectual disability. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Autosomal recessive primary microcephaly (MCPH) is a rare genetically heterogeneous disorder of neurogenic brain development characterized by reduced head circumference at birth with no gross anomalies of brain architecture and variable degrees of intellectual impairment. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Cataract-aberrant oral frenula-growth delay syndrome is characterized by cataracts and short stature associated with variable anomalies, including aberrant oral frenula, a characteristic facial appearance (posteriorly angulated ears, upslanting palpebral fissures, small nose, ptosis and epicanthal folds) cavernous hemangiomas and hernias. It has been described in a mother and her two children. It is transmitted as an autosomal dominant trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Cataract-intellectual disability-anal atresia-urinary defects syndrome is characterized by congenital cataracts with squint, intellectual deficit, anomalies of the genitourinary tract (rectovesical fistula, micropenis, undescended testis, and hypospadias), imperforate anus and other anomalies. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare developmental defect during embryogenesis malformation syndrome characterized by congenital, non-communicating hydrocephalus, cerebellar agenesis and absence of the Luschka and Magendie foramina. Patients present with hypotonia, areflexia or hyporeflexia, seizures and/or cyanosis shortly after birth. The condition is fatal in the neonatal period. There have been no further descriptions in the literature since 1978. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare congenital limb malformation characterized by bifid femur, absent or hypoplastic tibia and ulna with limb shortening, oligodactyly, and ectrodactyly. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Cleft lip/palate-deafness-sacral lipoma syndrome is characterized by cleft lip/palate, profound sensorineural deafness, and a sacral lipoma. It has been described in two brothers of Chinese origin born to non-consanguineous parents. Additional findings included appendages on the heel and thigh, or anterior sacral meningocele and dislocated hip. The mode of inheritance is probably autosomal or X-linked recessive. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic disease characterized by variable multiple congenital craniofacial anomalies, including brachycephaly, cranium bifidum occultum, hypertelorism, midface hypoplasia, nasal hypoplasia, or cleft lip/palate, among others, as well as abnormalities of the eyes and eyelids. Encephalocele and spina bifida have also been reported in association. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare syndrome described and characterized by prenatal onset of growth deficiency, microcephaly, hypoplastic genitalia, and birth onset of convulsions. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| GMS syndrome describes an extremely rare syndrome involving goniodysgenesis, intellectual disability and short stature in addition to microcephaly, short nose, small hands and ears, and that has been seen in one family to date. There have been no further descriptions in the literature since 1992. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare developmental defect during embryogenesis mainly characterized by severe intellectual disability, short stature, hypogonadism, and distinct facial dysmorphism (including trigonocephaly, prominent forehead, asymmetric and flat face, hypertelorism, epicanthus, downslanting palpebral fissures, ptosis, low-set angulated ears, small mouth, high-arched/cleft palate crowded teeth, microretrognathia), as well as slender hands and/or feet. Variable additional features may include pterygia, hypoplastic nipples, cardiac anomaly, distal muscular wasting, limb contractures, skeletal anomalies (e.g. scoliosis, pectus excavatum, bilateral clubfeet), hypothyroidism, seizures, and cerebral anomalies. Puberty may be delayed. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Holoprosencephaly-postaxial polydactyly syndrome associates, in chromosomally normal neonates, holoprosencephaly, severe facial dysmorphism, postaxial polydactyly and other congenital abnormalities, suggestive of trisomy 13. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Radial hypoplasia-triphalangeal thumbs-hypospadias-maxillary diastema syndrome is characterized by symmetric, nonopposable triphalangeal thumbs and radial hypoplasia. It has been described in eight patients (five females and three males) spanning generations of a family. The affected males also presented with hypospadias. The syndrome is inherited as an autosomal dominant trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Fibulo-ulnar hypoplasia-renal anomalies syndrome is characterized by fibulo-ulnar dysostosis with renal anomalies. It has been described in two siblings born to non-consanguinous parents. The syndrome is lethal at birth (respiratory failure). Clinical manifestations include ear and facial anomalies (including micrognathia), symmetrical shortness of long bones, fibular agenesis and hypoplastic ulna, oligosyndactyly, congenital heart defects, and cystic or hypoplastic kidney. It is transmitted as an autosomal recessive trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A very rare multiple congenital anomalies syndrome described in three brothers of one South-African family, and characterized by hypospadias and intellectual deficit, in association with microcephaly, craniofacial dysmorphism, joint laxity and beaked nails. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare X-linked syndromic intellectual disability characterized by infantile-onset non-progressive intellectual deficit (with psychomotor developmental delay, cognitive impairment and macrocephaly) and early-onset parkinsonism (before 45 years of age), in male patients. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Macrocephaly-spastic paraplegia-dysmorphism syndrome is a rare syndrome of multiple congenital anomalies characterized by macrocephaly (of post-natal onset) with large anterior fontanelle, progressive complex spastic paraplegia, dysmorphic facial features (broad and high forehead, deeply set eyes, short philtrum with thin upper lip, large mouth and prominent incisors), seizures, and intellectual deficit of varying severity. Inheritance appears to be autosomal recessive. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare multiple congenital anomalies syndrome characterized by upper limb defects (hypoplastic thumb with hypoplasia of the metacarpal bone and phalanges and delayed bone maturation), developmental delay, central hearing loss, unilateral poorly developed antihelix, bilateral choroid coloboma and growth retardation. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare disorder characterized by the association of mullerian duct and distal limb anomalies. Females present with anomalies ranging from a vaginal septum to complete duplication of uterus and vagina, and males present with micropenis. The limb anomalies varied from postaxial polydactyly to severe upper limb hypoplasia with split hand. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Microcephaly-deafness-intellectual disability syndrome is characterized by microcephaly, deafness, intellectual deficit and facial dysmorphism (facial asymmetry, prominent glabella, low-set and cup-shaped ears, protruding lower lip, micrognathia). It has been described in a mother and her son. The mode of inheritance is probably autosomal dominant. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Microcornea with corectopia and macular hypoplasia syndrome (disorder) |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare developmental defect during embryogenesis syndrome characterized by the association of microcornea, glaucoma and frontal sinus hypoplasia. Thick palmar skin and torus palatinus have also been reported. There have been no further descriptions in the literature since 1995. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, genetic developmental defect during embryogenesis disorder characterized by sensorineural hearing impairment, childhood-onset cataract, underdeveloped secondary sexual characteristics, spinal muscular atrophy, growth retardation, and cardiac and skeletal anomalies. Sudden death, as well as fatal cardiomyopathy and heart failure, have been described in some cases. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Oculocerebral hypopigmentation syndrome, Preus type is a rare congenital syndrome characterized by skin and hair hypopigmentation, growth retardation, and intellectual deficit that are associated with a combination of various additional clinical anomalies such as ocular albinism, cataract, delayed neuro-psychomotor development, sensorineural hearing loss, dolicocephaly, high arched palate, widely spaced teeth, anemia, and/or nystagmus. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Odontoma-dysphagia syndrome is a malformation syndrome, characterized by odontomas (undifferentiated mass of the esophagus) and severe dysphagia. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic disease characterized by mild intellectual disability, osteoporosis, delayed bone age, macrocephaly with wormian bones and frontal bossing, anomalies of fingers, nails, and teeth, thoracic deformities, hyperextensibility of joints, as well as congenital amaurosis and paraplegia. There have been no further descriptions in the literature since 1981. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| An extremely rare genetic syndromic intellectual disability described in less than 20 families to date and characterized by total or partial alopecia associated with intellectual deficit. The syndrome can be associated with other anomalies such as seizures, sensorineural hearing loss, delayed psychomotor development, and/or hypertonia. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare developmental defect during embryogenesis malformation syndrome characterized by proportionate short stature, sensorineural deafness, mutism, facial dysmorphism and recurrent infections as a result of abnormal neutrophil chemotaxis. There have been no further descriptions in the literature since 1978. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Short stature-valvular heart disease-characteristic facies syndrome is characterized by severe short stature with disproportionately short legs, small hands, clinodactyly, valvular heart disease and dysmorphism (ptosis, high-arched palate, abnormal dentition). It has been described in a mother and two daughters. This syndrome is probably transmitted as an autosomal dominant trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Growth delay - hydrocephaly - lung hypoplasia, also named Game-Friedman-Paradice syndrome, is a rare developmental disorder described in 4 siblings so far and characterized by delayed fetal growth, hydrocephaly with patent aqueduct of Sylvius, underdeveloped lungs and various other anomalies such as small jaw, intestinal malrotation, omphalocele, shortness of lower limbs, bowed tibias and foot deformities. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| This syndrome is extremely rare and is characterized by delayed speech development, mild facial asymmetry, strabismus and transverse ear lobe creases. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Shprintzen-Goldberg omphalocele syndrome is a very rare inherited malformation syndrome characterized by omphalocele, scoliosis, mild dysmorphic features (downslanted palpebral fissures, s-shaped eyelids and thin upper lip), laryngeal and pharyngeal hypoplasia and learning disabilities. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare spondylodysplastic syndrome characterized by camptodactyly, cervical platyspondyly, and variable degrees of thoracic scoliosis. There have been no further descriptions in the literature since 1995. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A very rare and mild form of spondylocostal dysostosis characterized by vertebral and costal segmentation defects, often with a reduction in the number of ribs. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare multiple congenital anomalies syndrome characterized by holoprosencephaly, predominantly radial limb deficiency (absent thumbs, phocomelia), heart defects, kidney malformations and absence of gallbladder. Variable manifestations include vertebral anomalies, cleft lip/palate, microphthalmia, absent nose, dysplastic ears, hearing loss, colobomas of the iris and retina and/or bifid uvula. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare syndromic genetic deafness characterized by profound congenital bilateral sensorineural deafness, developmental delay, moderate intellectual disability, generalized delay in bone maturation, short stature, epiphyseal dysplasia particularly of the capital femoral epiphyses, and mild dysmorphic facial features such as prominent forehead and small, pointed chin. Bilateral obstruction of lacrimal ducts and inguinal and umbilical hernias have also been described. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Deafness-ear malformation-facial palsy syndrome is characterized by profound conductive deafness due to stapedial abnormalities associated with variable malformations of the external ears and facial paralysis. It has been described in three siblings and their mother. Inheritance is autosomal dominant. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Deafness-craniofacial syndrome is characterized by the association of congenital hearing loss and facial dysmorphism (facial asymmetry, a broad nasal root and small nasal alae). It has been described in two members (father and daughter) of one Jewish family. Temporal alopecia was also noted. Transmission appeared to be autosomal dominant. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Zlotogora-Ogur syndrome is an ectodermal dysplasia syndrome characterized by hair, skin and teeth anomalies, facial dysmorphism with cleft lip and palate, cutaneous syndactyly and, in some cases, intellectual disability. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| An extremely rare mostly lethal congenital disorder characterized by absence of all four limbs and frequent associated major malformations involving the head, face, eyes, skeleton, heart, lungs, anus, urogenital, and central nervous systems. The syndrome has been described in fewer than 20 patients mainly of middle Eastern descent. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare syndromic intellectual disability characterized by intellectual deficit, short stature, obesity, genital abnormalities, and hand and/or toe contractures. The patients also present with generalized osteoporosis and a history of frequent fractures. This syndrome is similar to Prader-Willi syndrome, but the hand contractures and osteoporosis, together with the lack of hypotonia, indicate this is a different entity. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, autosomal dominant congenital myopathy characterized by numerous centrally placed nuclei on muscle biopsy and clinical features of a congenital myopathy (hypotonia, distal/proximal muscle weakness, rib cage deformities sometimes associated with respiratory insufficiency), ptosis, ophthalmoparesis and weakness of the muscles of facial expression with dysmorphic facial features. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Female restricted epilepsy with intellectual disability is a rare X-linked epilepsy syndrome characterized by febrile or afebrile seizures (mainly tonic-clonic, but also absence, myoclonic, and atonic) starting in the first years of life and, in most cases, developmental delay and intellectual disability of variable severity. Behavioral disturbances (e.g. autistic features, hyperactivity, and aggressiveness) are also frequently associated. This disease affects exclusively females, with male carriers being unaffected, despite an X-linked inheritance. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare X-linked syndromic intellectual disability characterized by a variable clinical picture including developmental delay, mild to moderate intellectual disability, learning difficulties, communication deficits, and behavioral problems (such as aggression, attention deficit, hyperactivity, and autistic features). Personality disorder and psychotic behavior have also been reported. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Thomas syndrome is characterized by renal anomalies, cardiac malformations and cleft lip or palate. It has been described in six patients. Transmission was suggested to be autosomal recessive. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Bilateral hypoplasia of tibia and postaxial polydactyly syndrome (disorder) |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare systemic or rheumatologic disease characterized by peripheral osteolysis (especially carpal and tarsal bones), interphalangeal joint erosions, subcutaneous fibrocollagenous nodules, facial dysmorphism, and a wide range of associated manifestations. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, congenital X-linked developmental disorder characterized by hydrocephalus of varying degrees of severity, intellectual deficit, spasticity of the legs, and adducted thumbs. The syndrome represents a spectrum of disorders including: X-linked hydrocephalus with stenosis of the aqueduct of Sylvius (HSAS), MASA syndrome, X-linked complicated hereditary spastic paraplegia type 1, and X-linked complicated corpus callosum agenesis. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, autosomal recessive congenital cerebellar ataxia characterized by congenital malformation of the brainstem and agenesis or hypoplasia of the cerebellar vermis leading to an abnormal respiratory pattern, nystagmus, hypotonia, ataxia, and delay in achieving motor milestones. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare, capillary-venous malformations characterized by closely clustered irregular dilated capillaries that can be asymptomatic or that can cause variable neurological manifestations such as seizures, non-specific headaches, progressive or transient focal neurologic deficits, and/or cerebral hemorrhages. |
Is a |
False |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Leukotriene C4 synthase deficiency is an extremely rare fatal neurometabolic developmental disorder characterized clinically by muscular hypotonia, psychomotor retardation, failure to thrive, and microcephaly. |
Is a |
False |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Familial digital arthropathy-brachydactyly is characterized by the association of arthropathy of interphalangeal, metacarpophalangeal and metatarsophalangeal joints with brachydactyly of the middle and distal phalanges. It has been described in numerous members from five generations of one large family. Inheritance is autosomal dominant. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Metaphyseal dysplasia, Braun-Tinschert type is characterized by metaphyseal undermodeling with broadening of the long bones and femora with an Erlenmeyer flask appearance, expansion and bowing of the radii with severe varus deformity and flat exostoses of the long bones at the metadiaphyseal junctions. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Microphthalmia-ankyloblepharon-intellectual disability syndrome is characterized by microphthalmia, ankyloblepharon and intellectual deficit. It has been described in seven male patients from two generations of a Northern Ireland family. The causative gene is localized to the Xq27-q28 region. The syndrome is transmitted as an X-linked recessive trait. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| X-linked epilepsy-learning disabilities-behaviour disorders syndrome is characterised by epilepsy, learning difficulties, macrocephaly, and aggressive behaviour. It has been described in males from a four-generation kindred. It is transmitted as an X-linked recessive trait and is likely to be caused by mutations in the gene encoding synapsin I (Xp11.3-q12). |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Spondyloepimetaphyseal dysplasia, Irapa type is characterized by disproportionate short-trunked short stature, pectus carinatum, short arms, short and broad hands, short metatarsals, flat and broad feet, coxa vara, genu valgum, osteoarthritis, arthrosis and moderate-to-serious gait impairment. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Syndromic orbital border hypoplasia is a rare disorder observed in two families to date and characterized by agenesis of the orbital margin, varying defects of the lacrimal passages, hypoplasia of the palpebral skin and tarsal plates and atresia of the nasolacrimal duct. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare multisystem disorder characterised by neonatal/childhood hypotonia, mild to moderate developmental delay or intellectual disability, epilepsy, dysmorphic facial features, hypermetropia, congenital heart anomalies, congenital renal/urologic anomalies, musculoskeletal problems, and a friendly/amiable disposition. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic multiple congenital anomalies/dysmorphic syndrome characterized by lissencephaly, agenesis of the corpus callosum and other cerebral structural anomalies, early-onset intractable seizures, and ambiguous genitalia. Consequences of hypothalamic dysfunction, such as disturbed temperature regulation, may be observed. Additional anomalies including dysmorphic craniofacial features have been reported. The disease is fatal in infancy or childhood in males, while female carriers may be unaffected or show a milder phenotype with developmental delay, behavioral abnormalities, and seizures. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Lissencephaly syndrome, Norman-Roberts type is characterized by the association of lissencephaly type I with craniofacial anomalies (severe microcephaly, a low sloping forehead, a broad and prominent nasal bridge and widely set eyes) and postnatal growth retardation. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Enlarged parietal foramina (EPF) is a developmental defect, characterized by variable intramembranous ossification defects of the parietal bones, which is either asymptomatic, symptomatic (headaches, nausea, vomiting, intellectual disability) or associated with other pathologies. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Piebaldism is a rare congenital pigmentation skin disorder characterized by the presence of hypopigmented and depigmented skin areas (leukoderma) on various parts of the body, preferentially on the forehead, chest, abdomen, upper arms, and lower extremities, that are associated with a white forelock (poliosis), and in some cases with hypopigmented and depigmented eyebrows and eyelashes. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Isolated right ventricular hypoplasia (IRVH) is a rare congenital heart malformation characterized by underdevelopment of the right ventricle associated with patent foramen ovale or interauricular communication and normally developed tricuspid and pulmonary valves. IRVH manifests with severe cyanosis, congestive heart failure, and in severe cases, death in early infancy. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic, multiple congenital anomalies syndrome characterized by cleft lip, with or without cleft palate, pits in the lower lip, contractures of the lower extremities, abnormal external genitalia, syndactyly of fingers and/or toes, and a pyramidal skin fold over the hallux nail. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare genetic neurological disorder characterized by the presence of two or more of the main criteria for classic Rett syndrome (loss of acquired purposeful hand skills, loss of acquired spoken language, gait abnormalities, stereotypic hand movements), a period of regression followed by recovery or stabilization, and five out of eleven supportive criteria (breathing difficulties, bruxism, impaired sleep pattern, abnormal muscle tone, peripheral vasomotor disturbances, scoliosis/kyphosis, delayed growth, small cold hands and feet, inappropriate laughter or screaming spells, decreased pain sensation, and intense eye communication). Like classic Rett syndrome, it almost exclusively affects girls, while the disease course may be either milder or more severe. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare developmental defect during embryogenesis, a contiguous gene deletion syndrome, is a form of alpha-thalassemia characterized by microcytosis, hypochromia, normal hemoglobin (Hb) level or mild anemia, associated with developmental abnormalities. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Multiple congenital exostosis |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Hereditary acantholytic dermatosis |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Leydig cell agenesis |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| An association reported in a single kindred characterized by the variable presence of the following features: anetodermia (macular atrophy of the skin), multiple exostoses, and brachydactyly type E. There have been no further descriptions in the literature since 1985. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare multiple congenital anomalies/dysmorphic syndrome characterized by severe intellectual deficit, Dandy-Walker malformation, macrocephaly, severe myopia, brachytelephalangy with short and broad fingernails, and dysmorphic facial features (such as thick eyebrows, synophrys, epicanthal folds, low-set ears, short philtrum, and high-arched palate). Additional reported manifestations include seizures and skeletal and genital anomalies, among others. There have been no further descriptions in the literature since 1989. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| Metaphyseal dysostosis-intellectual disability-conductive deafness syndrome is characterized by metaphyseal dysplasia, short-limb dwarfism, mild intellectual deficit and conductive hearing loss, associated with repeated episodes of otitis media in childhood. It has been described in three brothers born to consanguineous Sicilian parents. Variable manifestations included hyperopia and strabismus. The mode of inheritance is autosomal recessive. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| acrocéphalopolysyndactylie de type IV |
Is a |
False |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
| A rare autosomal dominant heart-hand syndrome that is characterized by bisymmetric brachydactyly accompanied by long thumbs, joint anomalies (restriction of motion at the shoulder and metacarpophalangeal joints) and cardiac conduction defects. Additional features include small hands and feet, clinodactyly, narrow shoulders with short clavicles, pectus excavatum and mild shortness of the limbs, cardiomegaly and murmur of pulmonic stenosis. There have been no new reports since 1981. |
Is a |
True |
Developmental hereditary disorder |
Inferred relationship |
Some |
|
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