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66091009: Congenital disease (disorder)


Status: current, Sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jul 2002. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module
109766011 Congenital disease en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
500308011 Congenital disorder en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
805666017 Congenital disease (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core
3921000077116 maladie congénitale fr Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module
10211000188115 pathologie congénitale fr Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT Switzerland NRC maintained Module


10736 descendants. Search Descendants:

Expanded Value Set


Outbound Relationships Type Target Active Characteristic Refinability Group Values
Congenital disease Is a Disease false Inferred relationship Some
Congenital disease Occurrence Congenital true Inferred relationship Some 1
Congenital disease Is a Fetal and/or neonatal disorder true Inferred relationship Some

Inbound Relationships Type Active Source Characteristic Refinability Group
A rare hemorrhagic disorder due to a constitutional hemostatic factors defect characterized by premature lysis of hemostatic clots and a moderate bleeding tendency. Is a True Congenital disease Inferred relationship Some
Congenital deficiency of alpha-fetoprotein (disorder) Is a True Congenital disease Inferred relationship Some
Congenital hypopituitarism is characterized by multiple pituitary hormone deficiency, including somatotroph, thyrotroph, lactotroph, corticotroph or gonadotroph deficiencies. Congenital hypopituitarism is rare compared with the high incidence of hypopituitarism induced by pituitary adenomas, transsphenoidal surgery or radiotherapy. Is a True Congenital disease Inferred relationship Some
A rare intestinal disease characterized by impaired absorption of starch and short polymers of glucose due to primary small intestinal glucoamylase deficiency. Patients present in infancy or early childhood with chronic diarrhea, abdominal distention, and bloating. Levels of pancreatic amylase are typically normal, and histopathological analysis shows normal morphology of the intestinal mucosa. Is a True Congenital disease Inferred relationship Some
Longitudinal deficiency of part of limb (disorder) Is a False Congenital disease Inferred relationship Some
X-linked endothelial corneal dystrophy (XECD) is a rare subtype of posterior corneal dystrophy characterized by congenital ground glass corneal clouding or a diffuse corneal haze, and blurred vision in male patients. Is a True Congenital disease Inferred relationship Some
Congenital analbuminemia (CAA) is characterized by the absence or dramatic reduction of circulating human serum albumin (HSA). Is a True Congenital disease Inferred relationship Some
Congenital hepatic fibrosis Is a False Congenital disease Inferred relationship Some
A rare isolated constitutional thrombocytopenia characterized by abnormally large platelets. Is a False Congenital disease Inferred relationship Some
Anemia following fetal blood loss Is a False Congenital disease Inferred relationship Some
Congenital folate malabsorption anaemia Is a True Congenital disease Inferred relationship Some
Congenital transferrin deficiency Is a False Congenital disease Inferred relationship Some
Congenital deficiency of intrinsic factor Is a True Congenital disease Inferred relationship Some
Biermer's congenital pernicious anaemia Is a True Congenital disease Inferred relationship Some
Congenital autosomal recessive sideroblastic anemia (ARSA) is a non-syndromic, microcytic/hypochromic sideroblastic anemia, present from early infancy and characterized by severe microcytic anemia, which is not pyridoxine responsive, and increased serum ferritin. Is a True Congenital disease Inferred relationship Some
Congenital diverticulitis of small intestine (disorder) Is a True Congenital disease Inferred relationship Some
A rare familial facial anomaly characterized by a nodule beneath the vermilion border of the upper lip that tapered into the frenulum. The lesion is soft, easily compressible and asymptomatic. It can be wide (up to 8 mm) or flat and less prominent. Regression of the nodule by age has been reported. There have been no further descriptions in the literature since 1994. Is a True Congenital disease Inferred relationship Some
A rare hereditary motor and sensory neuropathy disorder characterized by the typical CMT phenotype (slowly progressive distal muscle weakness and atrophy in upper and lower limbs, distal sensory loss in extremities, reduced or absent deep tendon reflexes and foot deformities) associated with focal segmental glomerulosclerosis (manifesting with proteinuria and progression to end-stage renal disease). Mild or moderate sensorineural hearing loss may also be associated. Nerve biopsy reveals both axonal and demyelinating changes and nerve conduction velocities vary from the demyelinating to axonal range (typically between 25-50m/sec). Is a False Congenital disease Inferred relationship Some
A rare skin disorder characterized by erythrodermic, peeling skin from birth with no obvious nail or hair-shaft abnormalities and other associated anomalies including diarrhea, failure to thrive and severe hypoalbuminemia resistant to correction by enteral or intravenous supplementation. An autosomal recessive mode of inheritance is highly probable. The prognosis is poor and infants die in the first months of life. There have been no further descriptions in the literature since 1992. Is a True Congenital disease Inferred relationship Some
A very rare genetic gastroenterological disease characterized by severe malabsorptive diarrhea (requiring parenteral nutrition and disappearing at fasting) due to a lack of intestinal enteroendocrine cells. It is associated with early-onset (within the first weeks of life) dehydration, metabolic acidosis and diabetes mellitus (that can develop until late childhood). Patient may display various degrees of pancreatic insufficiency that does not explain diarrhea, as it is not reduced with pancreatic enzyme supplementation. Central hypogonadism (developing in the second decade), as well as an association with celiac disease have been reported. Is a True Congenital disease Inferred relationship Some
Congenital chalasia of esophagus (disorder) Is a True Congenital disease Inferred relationship Some
Congenital cyst of aryepiglottic fold (disorder) Is a False Congenital disease Inferred relationship Some
Congenital hypogonadotropic hypogonadism (disorder) Is a True Congenital disease Inferred relationship Some
Congenital atrophy of optic nerve (disorder) Is a True Congenital disease Inferred relationship Some
Nephrogenic syndrome of inappropriate antidiuresis (NSIAD) is a rare genetic disorder of water balance, closely resembling the far more frequent syndrome of inappropriate antidiuretic secretion (SIAD) and characterized by euvolemic hypotonic hyponatremia due to impaired free water excretion and undetectable or low plasma arginine vasopressin (AVP) levels. Is a True Congenital disease Inferred relationship Some
Pigmented paravenous retinochoroidal atrophy (PPRCA) is a rare, commonly bilateral and symmetric retinal disease characterized by non-progressive or slowly progressive chorioretinal atrophy, peripapillary pigmentary changes and accumulation of bone-corpuscle pigmentation along the retinal veins and which is usually asymptomatic or can present with mild blurred vision. Is a True Congenital disease Inferred relationship Some
P2Y12 defect is a rare hemorrhagic disorder characterized by mild to moderate bleeding diathesis with easy bruising, mucosal bleeding, and excessive post-operative hemorrhage due to defect of the platelet P2Y12 receptor resulting in selective impairment of platelet responses to adenosine diphosphate. Is a True Congenital disease Inferred relationship Some
A rare, congenital glomerular disease due to maternal anti-neutral endopeptidase (NEP) alloimmunization characterized by severe renal failure and nephrotic syndrome at birth, which rapidly improves in the first weeks of life. Is a True Congenital disease Inferred relationship Some
A rare, genetic, skeletal muscle channelopathy characterized by slow muscle relaxation after contraction (myotonia). Is a True Congenital disease Inferred relationship Some
Congenital syringomyelia (disorder) Is a False Congenital disease Inferred relationship Some
A rare disorder characterized by intrauterine growth retardation and intermittent locking of the finger joints. It has been described in two individuals: a mother and her daughter. The mode of transmission is autosomal dominant. Is a True Congenital disease Inferred relationship Some
Pure mitochondrial myopathy is a rare mitochondrial disease characterized by exclusive skeletal muscle involvement, without clinical evidence of other organ involvement, manifesting with progressive limb weakness, proximal limb muscle atrophy, and eye muscle anomalies (e.g. ocular motility restriction, ptosis). Patients may present with lactic acidosis, diffuse myalgia and overall fatigability (particularly during/after physical activities), dysphagia, and diminished deep tendon reflexes. Is a True Congenital disease Inferred relationship Some
Congenital secondary hydronephrosis (disorder) Is a False Congenital disease Inferred relationship Some
Congenital dacryocele (disorder) Is a True Congenital disease Inferred relationship Some
Congenital malposition of eyelid (disorder) Is a False Congenital disease Inferred relationship Some
Dystopia canthorum (disorder) Is a False Congenital disease Inferred relationship Some
Platelet type pseudo-von Willebrand disease Is a False Congenital disease Inferred relationship Some
Asexual dwarfism Is a True Congenital disease Inferred relationship Some
Platelet storage pool defect Is a True Congenital disease Inferred relationship Some
Familial anetoderma is an extremely rare genetic skin disease characterized by loss of elastin tissue leading to localized areas of flaccid skin and a family history of the disorder. Is a False Congenital disease Inferred relationship Some
Hereditary hemoglobinopathy (disorder) Is a True Congenital disease Inferred relationship Some
Congenital cyst of orbit (disorder) Is a False Congenital disease Inferred relationship Some
Hereditary disorder of endocrine system (disorder) Is a False Congenital disease Inferred relationship Some
Carney-Stratakis syndrome is a recently described familial syndrome characterized by gastrointestinal stromal tumors (GIST) and paragangliomas, often at multiple sites. Is a True Congenital disease Inferred relationship Some
Congenital hydrothorax (disorder) Is a False Congenital disease Inferred relationship Some
A rare late-onset neurodegenerative disease characterised by ocular motor dysfunction, postural instability, akinesia-rigidity, and cognitive dysfunction. Is a False Congenital disease Inferred relationship Some
Congenital porencephalic cyst (disorder) Is a False Congenital disease Inferred relationship Some
Congenital anomaly of vagina Is a False Congenital disease Inferred relationship Some
Congenital anomaly of vulva Is a False Congenital disease Inferred relationship Some
Congenital anomaly of mother complicating pregnancy (disorder) Is a False Congenital disease Inferred relationship Some
This disease is characterized by progressive cerebellar ataxia with pyramidal and spinal cord dysfunction, associated with distinctive MRI anomalies and increased lactate in the abnormal white matter. Is a True Congenital disease Inferred relationship Some
Neonatal intestinal perforation co-occurrent and due to in utero intraluminal obstruction (disorder) Is a False Congenital disease Inferred relationship Some
HSD10 disease is a rare, life-threatening neurometabolic disease characterized by a progressive neurodegenerative course, epilepsy, retinopathy and progressive cardiomyopathy. Is a False Congenital disease Inferred relationship Some
Congenital thrombocytopenia (disorder) Is a True Congenital disease Inferred relationship Some
Congenital cardiovascular disorder (disorder) Is a True Congenital disease Inferred relationship Some
Congenital keratoderma Is a True Congenital disease Inferred relationship Some
Keratosis pilaris with ichthyosis and deafness Is a False Congenital disease Inferred relationship Some
Congenital ichthyosiform erythroderma Is a True Congenital disease Inferred relationship Some
Diffuse palmoplantar keratoderma-acrocyanosis syndrome is characterized by the association of diffuse palmoplantar keratoderma and acrocyanosis. It has been described in eight members of one family and in two sporadic cases. The mode of inheritance in the familial cases was autosomal dominant. Is a False Congenital disease Inferred relationship Some
A rare autosomal recessive, isolated diffuse palmoplantar keratoderma characterized by transgressive and nonprogressive palmoplantar keratoderma resembling a mild form of mal de Meleda. Is a False Congenital disease Inferred relationship Some
A rare distal hereditary motor neuropathy, with a variable clinical phenotype, typically characterized by congenital, non-progressive, predominantly distal, lower limb muscle weakness and atrophy and congenital (or early-onset) flexion contractures of the hip, knee and ankle joints. Reduced or absent lower limb deep tendon reflexes, skeletal anomalies (bilateral talipes equinovarus, scoliosis, kyphoscoliosis, lumbar hyperlordosis), late ambulation, waddling gait, joint hyperlaxity and/or bladder and bowel dysfunction are usually also associated. Is a True Congenital disease Inferred relationship Some
Charcot-Marie-Tooth disease type 4 (CMT4) belongs to the genetically heterogeneous group of CMT peripheral sensorimotor polyneuropathy diseases. Type 4 is less common and often limited to certain ethnic groups. Patients present with the typical CMT phenotype along with typical features of progressive, distally accentuated weakness and atrophy of muscles innervated by the peroneal nerve in the lower limbs, followed by weakness and atrophy of hands, sensory loss, and characteristic foot abnormalities. Is a True Congenital disease Inferred relationship Some
Combined pancreatic lipase-colipase deficiency is a disorder of lipid absorption and transport characterized by steatorrhea with foul-smelling stools from birth, diminished serum carotene and vitamin E and a combined deficiency of the pancreatic enzymes lipase and colipase. Patients are otherwise healthy and develop normally with no apparent pancreatic disease. There have been no further descriptions in the literature since 1990. Is a True Congenital disease Inferred relationship Some
Congenital trigeminal anesthesia is a rare neuro-ophthalmological disorder characterized by a congenital sensory deficit involving all or some of the sensory components of the trigeminal nerve. Due to corneal anesthesia, it usually presents with recurrent, painless eye infections, painless corneal opacities and/or poorly healing, ulcerated wounds on the facial skin and mucosa (typically the buccal mucosa and/or nasal septum). Is a True Congenital disease Inferred relationship Some
A rare, genetic, slowly progressive neurodegenerative disease characterized by delayed psychomotor development beginning in infancy, mild to profound intellectual disability, gait and stance ataxia, pyramidal signs (hyperreflexia, extensor plantar responses), dysarthria, and ocular abnormalities (e.g. nystagmus, oculomotor apraxia, abduction deficits, esotropia, ptosis). Brain imaging reveals progressive, generalized cerebellar atrophy, mild ventriculomegaly and, in some, retrocerebellar cysts. Is a True Congenital disease Inferred relationship Some
Spectrin-associated autosomal recessive cerebellar ataxia is a rare, genetic neurological disease, due to SPTBN2 mutations, characterized by global development delay in infancy, followed by childhood-onset gait ataxia with limb dysmetria and dysdiadochokinesia, mild to severe intellectual disability, development of cerebellar atrophy, and abnormal eye movements (including a convergent squint, hypometric saccades, jerky pursuit movements and incomplete range of movement). Is a True Congenital disease Inferred relationship Some
A rare, genetic neurological disorder defined by early-onset of neurologic symptoms, biphasic clinical course, unique MRI features (including extensive, symmetrical, deep white matter abnormalities), and increased lactate in body fluids. The severe form is characterized by delayed psychomotor development, seizures, early-onset hypotonia, and persistently increased lactate levels. The mild form usually presents with irritability, psychomotor regression after six months of age, and temporary high lactate levels, with overall clinical improvement from the second year onward. Is a True Congenital disease Inferred relationship Some
X-linked hereditary motor and sensory neuropathy Is a True Congenital disease Inferred relationship Some
Familial nasal acilia is a rare genetic otorhinolaryngologic disease characterized by respiratory morbidity due to lack of cilia on the respiratory tract epithelial cells. The disease manifests from birth with respiratory distress, neonatal pneumonia, dyspnea, lobar atelectasis and bronchiectasis. Recurrent infections of the upper and lower respiratory tract, chronic humid coughing, and chronic sinusitis, otitis and rhinitis are typical lifelong presenting conditions. Is a True Congenital disease Inferred relationship Some
Deafness-encephaloneuropathy-obesity-valvulopathy syndrome is a rare mitochondrial disease with marked clinical variability typically characterized by encephalomyopathy, kidney disease (nephrotic syndrome), optic atrophy, early-onset deafness, pancytopenia, obesity, and cardiac disease (valvulopathy). Additionally, macrocephaly, intellectual disability, hyperlactatemia, elevated lactate/pyruvate ratio, insulin-dependent diabetes, livedo reticularis, liver dysfunction and seizures have also been associated. Is a False Congenital disease Inferred relationship Some
Hypermethioninemia due to glycine N-methyltransferase deficiency is a rare, genetic inborn error of metabolism characterized by a relatively benign clinical phenotype, with only mild to moderate hepatomegaly reported, in addition to laboratory studies revealing permanent, greatly increased hypermethioninemia, mild to moderate elevation of aminotransferases and highly elevated plasma S-adenosyl-methionine with normal S-adenosylhomocysteine and total homocysteine. Is a True Congenital disease Inferred relationship Some
Hypermethioninemia encephalopathy due to adenosine kinase deficiency is a rare inborn error of metabolism disorder characterized by persistent hypermethioninemia with increased levels of S-adenosylmethionine and S-adenosylhomocysteine which manifests with encephalopathy, severe global developmental delay, mild to severe liver dysfunction, hypotonia and facial dysmorphism (most significant is frontal bossing, macrocephaly, hypertelorism and depressed nasal bridge). Epileptic seizures, hypoglycemia and/or cardiac defects (pulmonary stenosis, atrial and/or ventricular septal defect, coarctation of the aorta) may be associated. Clinical picture may range from neurological symptoms only to multi-organ involvement. Is a True Congenital disease Inferred relationship Some
Erythema palmare hereditarium is a rare, benign, congenital genetic skin disorder characterised by permanent and asymptomatic erythema of the palmar and, less frequently, the solar surfaces. In most cases, it presents with sharply demarcated redness of the thenar and hypothenar eminences, as well as the palmar aspect of the phalanges, with scattered telangiectasia spots that do not cause any discomfort (pain, itching or burning) to the patient. Is a True Congenital disease Inferred relationship Some
Myosclerosis is a rare, genetic, non-dystrophic myopathy characterized by early, diffuse, progressive muscle and joint contractures that result in severe limitation of movement of axial, proximal, and distal joints, walking difficulties in early childhood and toe walking. Patients typically present thin, sclerotic muscles with a woody consistency, mild girdle and proximal limb weakness with moderate distal weakness and scoliosis. Muscle biopsy shows partial collagen VI deficiency at the myofiber basement membrane and absent collagen VI around most endomysial/perimysial capillaries. Is a True Congenital disease Inferred relationship Some
Leukoencephalopathy, ataxia, hypodontia, hypomyelination syndrome (disorder) Is a False Congenital disease Inferred relationship Some
A rare epilepsy syndrome characterized by progressive myoclonus epilepsy in association with primary glomerular disease. Patients present with neurologic symptoms (including tremor, action myoclonus, tonic-clonic seizures, later ataxia and dysarthria) that may precede, occur simultaneously or be followed by renal manifestations including proteinuria that progresses to nephrotic syndrome and end-stage renal disease. In some patients, sensorimotor peripheral neuropathy, sensorineural hearing loss and dilated cardiomyopathy are associated symptoms. Is a True Congenital disease Inferred relationship Some
A rare, hereditary inborn error of metabolism characterized by an acute onset of encephalopathy in infancy or early childhood. Apart from these episodic acute events, the disorder shows a relatively benign course. Multiple metabolic abnormalities are present, including metabolic acidosis, respiratory alkalosis, hypoglycemia, increased serum lactate and alanine. Is a False Congenital disease Inferred relationship Some
Familial focal epilepsy with variable foci is a rare genetic epilepsy disorder characterized by autosomal dominant lesional and nonlesional focal epilepsy with variable penetrance. Focal seizures emanate from different cortical locations (temporal, frontal, centroparietal, parietal, occipital) in different family members, but for each individual a single focus remains constant throughout lifetime. Seizure type (tonic, tonic-clonic or hyperkinetic) and severity varies among family members and tends to decrease (but do not disappear) during adulthood. Many patients have an aura and show automatisms during diurnal seizures whereas others have nocturnal seizures. Most individuals are of normal intelligence but patients with intellectual disability, autistic spectrum disorder and obsessive-compulsive disorder have been described. Is a False Congenital disease Inferred relationship Some
Progressive external ophthalmoplegia-myopathy-emaciation syndrome is a rare mitochondrial oxidative phosphorylation disorder due to nuclear DNA anomalies characterized by progressive external ophthalmoplegia without diplopia, cerebellar atrophy, proximal skeletal muscle weakness with generalized muscle wasting, profound emaciation, respiratory failure, spinal deformity and facial muscle weakness (manifesting with ptosis, dysphonia, dysphagia and nasal speech). Intellectual disability, gastrointestinal symptoms (e.g. nausea, abdominal fullness, and loss of appetite), dilated cardiomyopathy and renal colic have also been reported. Is a True Congenital disease Inferred relationship Some
A rare hereditary demyelinating motor and sensory neuropathy characterized by slowed nerve conduction velocities, in the absence of clinically apparent neurological deficits, gait abnormalities or muscular atrophy, associated with a germline mutation in the ARGHEF10 gene. Is a True Congenital disease Inferred relationship Some
Fundus albipunctatus is a rare, genetic retinal dystrophy disorder characterized by the presence of numerous small, round, yellowish-white retinal lesions that are distributed throughout the retina but spare the fovea. Patients present in childhood with non-progressive night blindness with prolonged cone and rod adaptation times. The macula may or may not be involved, which may result in a decrease of central visual acuity with age. Is a True Congenital disease Inferred relationship Some
Inherited acute myeloid leukemia (AML) is a rare, malignant hematologic disease characterized by clonal proliferation of myeloid blasts, primarily involving the bone marrow, in association with congenital disorders (e.g. Fanconi anemia, dyskeratosis congenita, Bloom syndrome, Down syndrome, congenital neutropenia, neurofibromatosis, etc.) and genetic defects predisposing to AML. Patients present with signs and symptoms related to ineffective hematopoesis (fatigue, bleeding and bruising, recurrent infections, bone pain) and/or extramedullary site involvement (gingivitis, splenomegaly, etc.). Depending on the underlying genetic defect, there may be additional cancer risks and other health problems present. Associated with True Congenital disease Inferred relationship Some 2
Striate palmoplantar keratoderma is an isolated, focal, hereditary palmoplantar keratoderma characterized by linear hyperkeratosis along the flexor aspect of the fingers and on palms, as well as focal hyperkeratosis of the plantar skin. Patients present with painful thickening of the skin on palms and soles, with occasional fissuring, blistering and hyperhidrosis. Rarely, hyperkeratosis on other areas may be seen (knees, dorsal aspects of the digits). Histopathologically, widened intercellular spaces between keratinocytes are observed. Is a False Congenital disease Inferred relationship Some
A rare, inherited mitochondrial disorder due to a defect in mitochondrial protein synthesis characterized by intrauterine growth retardation, metabolic decompensation with recurrent vomiting, persistent severe lactic acidosis, encephalopathy, seizures, failure to thrive, severe global developmental delay, poor eye contact, severe muscular hypotonia or axial hypotonia with limb hypertonia, hepatomegaly and/or liver dysfunction and/or liver failure, leading to fatal outcome in severe cases. Neuroimaging abnormalities may include corpus callosum thinning, leukodystrophy, delayed myelination and basal ganglia involvement. Is a True Congenital disease Inferred relationship Some
Focal palmoplantar and gingival keratoderma is a very rare form of focal palmoplantar keratoderma characterized by painful circumscribed hyperkeratotic lesions on weight-bearing areas of soles, moderate focal hyperkeratosis of palmar pressure-related areas and an asymptomatic leukokeratosis confined to labial- and lingual- attached gingiva. Additional occasional features may include hyperhidrosis, follicular keratosis and extended oral mucosa involvement. Is a False Congenital disease Inferred relationship Some
Muscle filaminopathy is a rare myofibrillar myopathy characterized by slowly progressive, proximal skeletal muscle weakness, which is initially more prominent in lower extremities and involves upper extremities with disease progression. Patients present with difficulty climbing stairs, a waddling gait, marked winging of scapula, lower back pain, paresis of limb girdle musculature, hypo-/areflexia and/or mild facial muscle weakness in rare cases. Respiratory muscle weakness is common and cardiac anomalies (conduction blocks, tachycardia, diastolic dysfunction, left ventricular hypertrophy) have been reported in some cases. Is a True Congenital disease Inferred relationship Some
Myopathy with hexagonally cross-linked tubular arrays is a rare, congenital, non-dystrophic, mild, slowly progressive, proximal myopathy characterized by exercise intolerance and post-exercise myalgia without rhabdomyolysis, associated with highly organized hexagonally cross-linked tubular arrays in skeletal muscle biopsy. Additional features may include muscle atrophy (or diffuse hypotrophy), myalgia with or without muscular weakness, paresis of truncal and limb-girdle musculature, minimal ptosis, lumbar hyperlordosis, decreased deep tendon reflexes, contractures and pes equinovarus. Is a True Congenital disease Inferred relationship Some
Biallelic mutation carriers have a mutation (not necessarily the same mutation) in both copies of a particular gene (a paternal and a maternal mutation). The RPE65 gene provides instructions for making an enzyme that is essential for normal vision and mutations in this gene result in reduced or absent levels of RPE65 activity, blocking the visual cycle and resulting in impaired vision. Almost all patients eventually progress to complete blindness. Is a False Congenital disease Inferred relationship Some
Spheroid body myopathy is a rare form of myofibrillar myopathy characterized by predominantly proximal muscle weakness (that could be either non- or slowly progressive), associated with spheroid body inclusions (composed of myofilament material within individual muscle fibers) in skeletal muscle biopsy. Presentation is varied and may range from asymptomatic to severe muscle weakness that manifests with absent Achilles reflexes, gait abnormality and/or other motor incapacitations. Is a True Congenital disease Inferred relationship Some
Rolandic epilepsy-speech dyspraxia syndrome is a rare, genetic epilepsy characterized by speech disorder (including a range of symptoms from dysarthria, speech dyspraxia, receptive and expressive language delay/regression and acquired aphasia to subtle impairments of conversational speech) and epilepsy (mostly focal and secondary generalized childhood-onset seizures, sometimes with aura). Mild to severe intellectual disability may also be observed. Is a True Congenital disease Inferred relationship Some
Kandori fleck retina is a rare, genetic retinal dystrophy disorder characterized by irregular, sharply defined, yellowish-white lesions of variable size that are distributed mainly in the nasal equatorial region of the retina, with a tendency to confluence, that are not associated with any vascular or optic nerve abnormalities. They frequently manifest as mild and stationary night blindness. Is a False Congenital disease Inferred relationship Some
Methylmalonic acidemia due to methylmalonyl-CoA epimerase deficiency is a rare inborn error of metabolism disease characterized by mild to moderate, persistent elevation of methylmalonic acid in plasma, urine and cerebrospinal fluid. Clinical presentation may include acute metabolic decompensation with metabolic acidosis (presenting with vomiting, dehydration, confusion, hallucinations), nonspecific neurological symptoms, or may also be asymptomatic. Is a False Congenital disease Inferred relationship Some
A rare genetic autoinflammatory syndrome characterized by early-onset of repeated episodes of fever, nodular neutrophil-rich panniculitis, arthralgia, and lipodystrophy. Additional reported features include diarrhea, failure to thrive, lymphadenopathy, and vasculitis. Laboratory examination may reveal elevated serum C-reactive protein and leukocytosis with neutrophilia in the absence of infection. Is a False Congenital disease Inferred relationship Some
Congenital laryngeal cyst is a rare larynx anomaly characterized by a cyst involving the larynx or supraglottis locations, such as the epiglottis and vallecula. Timing and severity of presentation depend on the size of the cyst and its proximity to the glottis and range from severe prenatal airway obstruction leading to polyhydramnios and pulmonary hypoplasia to postnatal inspiratory stridor associated with muffled cry, hoarseness and cyanotic episodes, and to feeding difficulties and failure to thrive. It can be associated with laryngomalacia. Is a True Congenital disease Inferred relationship Some
A rare hereditary motor and sensory neuropathy characterized by intermediate motor median nerve conduction velocities (usually between 25 and 45 m/s) and signs of both demyelination and axonal degeneration in nerve biopsies. It presents with usual clinical features of Charcot-Marie-Tooth disease (progressive muscle weakness and atrophy of the distal extremities, distal sensory loss, reduced or absent deep tendon reflexes, and feet deformities) in the first to second decade of life with steady progression until the fourth decade, severe progression and stabilization afterwards. Is a False Congenital disease Inferred relationship Some
A rare hereditary motor and sensory neuropathy characterized by intermediate motor median nerve conduction velocities (usually between 25 and 45 m/s) and signs of both demyelination and axonal degeneration in nerve biopsies. It presents with mild to moderately severe, slowly progressive usual clinical features of Charcot-Marie-Tooth disease (muscle weakness and atrophy of the distal extremities, distal sensory loss, reduced or absent deep tendon reflexes, and feet deformities). Other findings include asymptomatic neutropenia and early-onset cataracts. Is a False Congenital disease Inferred relationship Some
A rare hereditary motor and sensory neuropathy characterised by intermediate motor median nerve conduction velocities (usually between 25 and 60 m/s). It presents with moderately severe, slowly progressive usual clinical features of Charcot-Marie-Tooth disease (muscle weakness and atrophy of the distal extremities, distal sensory loss, reduced or absent deep tendon reflexes, feet deformities, extensor digitorum brevis atrophy). Findings in nerve biopsies include age-dependent axonal degeneration, reduced number of large myelinated fibres, segmental remyelination, and no onion bulbs. Is a False Congenital disease Inferred relationship Some
A rare hereditary motor and sensory neuropathy characterised by intermediate motor median nerve conduction velocities (usually between 25 and 45 m/s) and signs of both axonal degeneration and demyelination without onion bulbs in nerve biopsies. It presents with usual Charcot-Marie-Tooth disease clinical features of variable severity (progressive muscle weakness and atrophy of the distal extremities, distal sensory loss, reduced or absent deep tendon reflexes, and feet deformities). Other findings in some of the families include debilitating neuropathic pain and mild postural/kinetic upper limb tremor. Is a False Congenital disease Inferred relationship Some
Cyanotic congenital heart disease Is a False Congenital disease Inferred relationship Some
Metabolic myopathy due to lactate transporter defect is a rare metabolic myopathy characterized by muscle cramping and/or stiffness after exercise (especially during heat exposure), post-exertional rhabdomyolysis and myoglobinuria, and elevation of serum creatine kinase. Is a True Congenital disease Inferred relationship Some
X-linked non progressive cerebellar ataxia is a rare hereditary ataxia characterized by delayed early motor development, severe neonatal hypotonia, non-progressive ataxia and slow eye movements, presenting normal cognitive abilities and absence of pyramidal signs. Frequently patients also manifest intention tremor, mild dysphagia, and dysarthria. Brain MRI reveals global cerebellar atrophy with absence of other malformations or degenerations of the central and peripheral nervous systems. Is a False Congenital disease Inferred relationship Some

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