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1899006: Autosomal hereditary disorder (disorder)


Status: current, Not sufficiently defined by necessary conditions definition status (core metadata concept). Date: 31-Jan 2002. Module: SNOMED CT core

Descriptions:

Id Description Lang Type Status Case? Module
4277013 Autosomal hereditary disorder en Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) SNOMED CT core
746648015 Autosomal hereditary disorder (disorder) en Fully specified name Active Entire term case insensitive (core metadata concept) SNOMED CT core
2296861000005112 hereditær autosomal sygdom da Synonym (core metadata concept) Active Entire term case insensitive (core metadata concept) Danish module (core metadata concept)


3429 descendants. Search Descendants:

Expanded Value Set


Outbound Relationships Type Target Active Characteristic Refinability Group Values
Autosomal hereditary disorder Is a Hereditary disease true Inferred relationship Some

Inbound Relationships Type Active Source Characteristic Refinability Group
Hereditary gingival fibromatosis (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Autosomal dominant hereditary disorder Is a True Autosomal hereditary disorder Inferred relationship Some
Familial visceral neuropathy Is a True Autosomal hereditary disorder Inferred relationship Some
Adult hypophosphatasia Is a True Autosomal hereditary disorder Inferred relationship Some
A group of rare arthrogryposis syndromes with characteristics of congenital contractures of two or more areas of the body, primarily involving the hands and feet, while the proximal joints are largely spared, in the absence of primary neurologic and/or muscle disease affecting limb function. Diagnostic features include camptodactyly or pseudocamptodactyly, hypoplastic or absent flexion creases, overriding fingers, ulnar deviation at the wrist, talipes equinovarus, calcaneovalgus deformities, vertical talus, and/or metatarsus varus. Is a False Autosomal hereditary disorder Inferred relationship Some
Crigler-Najjar syndrome Is a True Autosomal hereditary disorder Inferred relationship Some
Retinitis pigmentosa Is a False Autosomal hereditary disorder Inferred relationship Some
Childhood hypophosphatasia Is a False Autosomal hereditary disorder Inferred relationship Some
HNSHA due to hexokinase deficiency Is a True Autosomal hereditary disorder Inferred relationship Some
Erythropoietic protoporphyria Is a True Autosomal hereditary disorder Inferred relationship Some
Infantile hypophosphatasia Is a False Autosomal hereditary disorder Inferred relationship Some
Hereditary spherocytosis Is a True Autosomal hereditary disorder Inferred relationship Some
A rare hereditary myopathic degeneration of both gastrointestinal and urinary tracts that causes chronic intestinal pseudo-obstruction. It usually presents after the first decade of life with megaduodenum, megacystis and symptoms such as abdominal distension and/or pain, vomiting, constipation, diarrhoea, dysphagia, and/or urinary tract infections. Is a False Autosomal hereditary disorder Inferred relationship Some
A rare genetic syndrome with characteristics of limb shortening and abnormalities of the head, face and external genitalia. Two forms of the syndrome with different patterns of inheritance and variable frequency of clinical signs have been described: a milder autosomal dominant form and a more severe autosomal recessive form. The syndrome has a wide clinical spectrum. Transmission is autosomal dominant or recessive. Is a True Autosomal hereditary disorder Inferred relationship Some
Autosomal recessive hereditary disorder Is a True Autosomal hereditary disorder Inferred relationship Some
Congenital dystrophia brevicollis Is a False Autosomal hereditary disorder Inferred relationship Some
Congenital dystrophia brevicollis (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Non dystrophic myotonia (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
2-hydroxyglutaric aciduria Is a True Autosomal hereditary disorder Inferred relationship Some
A rare condition characterized by generalized, partial, target tissue resistance to glucocorticoids. The clinical spectrum of the condition is broad, ranging from asymptomatic to severe cases of hyperandrogenism, fatigue and/or mineralocorticoid excess. The molecular basis of glucocorticoid resistance has been ascribed to mutations in the GR gene. Is a True Autosomal hereditary disorder Inferred relationship Some
Familial primary hypomagnesemia with normocalciuria (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Hereditary isolated hypoparathyroidism due to impaired parathormone secretion (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Camptodactyly-tall stature-scoliosis-hearing loss syndrome is characterized by camptodactyly, tall stature, scoliosis, and hearing loss (CATSHL). It has been described in around 30 individuals from seven generations of the same family. The syndrome is caused by a missense mutation in the FGFR3 gene, leading to a partial loss of function of the encoded protein, which is a negative regulator of bone growth. Is a True Autosomal hereditary disorder Inferred relationship Some
Bone dysplasia Azouz type Is a False Autosomal hereditary disorder Inferred relationship Some
Hypomagnesemia co-occurrent with normocalciuria (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
A rare syndromic, genetic cataract characterized by the association of congenital cataract and microcornea without any other systemic anomaly or dysmorphism. Clinical findings include a decreased corneal diameter (inferior to 10 mm) in both meridians in an otherwise normal eye, and an inherited cataract, which is mostly bilateral posterior polar with opacification in the lens periphery that progresses to form a total cataract after visual maturity has been achieved. Association with other ocular manifestations, including myopia, iris coloboma, sclerocornea and Peters anomaly may be observed. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare, genetic congenital malformation syndrome characterized by bilateral anophthalmia (or less commonly microphthalmia) in association with a variable combination of the following: pulmonary hypoplasia or agenesis, congenital diaphragmatic hernia or eventration, and variable cardiovascular defects (congenital heart defects and/or pulmonary artery atresia). Intellectual disability is noted in surviving patients. Other variable malformations affecting different organ systems, as well as facial dysmorphism, may be observed. Is a True Autosomal hereditary disorder Inferred relationship Some
A form of localized dystrophic epidermolysis bullosa characterized by dystrophic nails in the absence of blistering. The nail deformity is often limited to toenails which can appear thickened and shortened, or may be absent. No other cutaneous or extracutaneous symptoms are observed. Is a True Autosomal hereditary disorder Inferred relationship Some
An extremely rare syndromic lymphedema disorder characterized by early-onset hypotrichosis, childhood-onset lymphedema, and variable telangiectasia, particularly of the palms. Is a True Autosomal hereditary disorder Inferred relationship Some
Hypotrichosis simplex (HS) or hereditary hypotrichosis simplex (HHS) is characterized by reduced pilosity over the scalp and body (with sparse, thin, and short hair) in the absence of other anomalies. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare ectodermal dysplasia characterized by the association of epibulbar dermoids and aplasia cutis congenital. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare dystrophic epidermolysis bullosa (DEB) characterized by generalized blistering at birth that usually regresses within the first 6 to 24 months of life. Is a True Autosomal hereditary disorder Inferred relationship Some
Hereditary hyperekplexia is a hereditary neurological disorder characterized by excessive startle responses. Is a True Autosomal hereditary disorder Inferred relationship Some
Omodysplasia is a rare skeletal dysplasia characterized by severe limb shortening and facial dysmorphism. Two types of omodysplasia have been described: an autosomal recessive or generalized form (also referred to as micromelic dysplasia with dislocation of radius) marked by severe micromelic dwarfism with predominantly rhizomelic shortening of both the upper and lower limbs, and an autosomal dominant form in which stature is normal and shortening is limited to the upper limbs. Is a True Autosomal hereditary disorder Inferred relationship Some
Distal muscular dystrophy Is a True Autosomal hereditary disorder 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 True Autosomal hereditary disorder Inferred relationship Some
Isolated hereditary congenital facial paralysis (IHCFP) is an extremely rare neurological disorder presumed to result from maldevelopment of the facial nucleus and/or cranial nerve and has been reported in fewer than 10 families to date. It manifests as non-progressive, isolated, unilateral or bilateral, symmetrical or asymmetrical facial palsy. Involvement of the branches of the facial nerve can be unequal. Is a True Autosomal hereditary disorder Inferred relationship Some
A form of localized dystrophic epidermolysis bullosa characterized by trauma-induced blistering confined primarily to the hands and feet. Healing of blisters is associated with milia formation, atrophic scarring and dystrophic nails. There is no extracutaneous involvement. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare, pure or complex form of hereditary spastic paraplegia characterized by either a pure spastic paraplegia phenotype, usually presenting in the first or second decade of life, with spastic lower extremities, unsteady spastic gait, hyperreflexia and extensor plantar responses, or as a complicated phenotype with the additional manifestations of distal wasting, saccadic ocular movements, mild cerebellar ataxia and mild, distal, axonal neuropathy. Is a True Autosomal hereditary disorder Inferred relationship Some
Insulin resistance - type A Is a True Autosomal hereditary disorder Inferred relationship Some
Best vitelliform macular dystrophy (BVMD) is a genetic macular dystrophy characterized by loss of central visual acuity, metamorphopsia and a decrease in the Arden ratio secondary to an egg yolk-like lesion located in the foveal or parafoveal region. Is a False Autosomal hereditary disorder 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 Autosomal hereditary disorder Inferred relationship Some
Colobomatous microphthalmia-rhizomelic dysplasia syndrome is a rare, genetic developmental defect during embryogenesis characterized by a range of developmental eye anomalies (including anophthalmia, microphthalmia, colobomas, microcornea, corectopia, cataract) and symmetric limb rhizomelia with short stature and contractures of large joints. Intellectual disability with autistic features, macrocephaly, dysmorphic features, urogenital anomalies (hypospadia, cryptorchidism), cutaneous syndactyly and precocious puberty may also be present. Is a True Autosomal hereditary disorder Inferred relationship Some
Disorder with characteristics of varying degrees of deafness and minor defects in structures arising from neural crest, including pigmentation anomalies of eyes, hair, and skin. Clinical manifestations vary within and between families. Frequent clinical manifestations include congenital sensorineural deafness, heterochromic or hypoplastic blue irides, white forelock or early graying of the scalp hair before the age of 30 years. The disease is genetically heterogeneous. To date, mutations in 6 different genes have been identified: PAX3 (2q36.1), MITF (3p14-p13), SNAI2 (8q11.21), SOX10 (22q13.1), EDNRB (13q22.3), and EDN3 (20q13.32). Is a False Autosomal hereditary disorder Inferred relationship Some
A rare, genetic, multiple congenital anomalies syndrome characterized by variable expression of the holoprosencephaly (HPE) spectrum in association with ectrodactyly, cleft lip/palate and/or other ectodermal anomalies. Developmental delay of variable severity and endocrine abnormalities are often associated. Is a True Autosomal hereditary disorder Inferred relationship Some
Short stature due to GHSR deficiency is a rare, genetic, endocrine growth disease, resulting from growth hormone secretagogue receptor (GHSR) deficiency, characterized by postnatal growth delay that results in short stature (less than -2 SD). The pituitary gland is typically without morphological changes, although anterior pituitary gland hypoplasia has been reported. Is a True Autosomal hereditary disorder Inferred relationship Some
Genetic hyperferritinemia without iron overload is a rare biological anomaly defined as high serum ferritin levels without elevations of transferrin saturation, tissue or serum iron and characterized by an apparently asymptomatic clinical phenotype. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare neurodegenerative disorder belonging to the group of infantile progressive encephalopathies. Onset occurs during the first few weeks or months of life with hypotonia, poor feeding, drowsiness and abnormal movements. Infantile spasms, hypsarrhythmia and seizures appear during the first year of life. Visual loss, abnormal eye movements and optic atrophy also occur during infancy. Transmission appears to be autosomal recessive. A significant number of patients have been described who displayed most of the diagnostic criteria and features of PEHO syndrome, but did not appear to have cerebral atrophy on MRI, lacked the ophthalmologic signs and showed no reduction in CSF IGF-1 levels. This group of patients was diagnosed with PEHO-like syndrome. The prognosis is poor and most patients die before 15 years of age, mainly as a result of pneumonia or aspiration. Is a True Autosomal hereditary disorder Inferred relationship Some
Female infertility due to zona pellucida defect is a rare, genetic, female infertility disorder characterized by the presence of abnormal oocytes that lack a zona pellucida. Affected individuals are unable to conceive despite having normal menstrual cycles and sex hormone levels, as well as no obstructions in the fallopian tubes or defects of the uterus or adnexa. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic hepatic disease characterised by the presence of green colouration of the skin, urine, plasma and other body fluids (ascites, breastmilk) or parts (sclerae) due to increased serum levels of biliverdin in association with biliary obstruction and/or liver failure. Association with malnutrition, medication, and congenital biliary atresia has also been reported. Can be caused by heterozygous or homozygous mutation in the gene encoding bilirubin reductase-alpha (BLVRA) on chromosome 7p13. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic multisystemic chronic autoimmune disease characterized by the presence of systemic lupus erythematosus symptoms in two or more members of a single family. Patients present a wide spectrum of clinical manifestations, including cutaneous (malar rash, photosensitivity), ocular (keratoconjunctivitis sicca, retinopathy), gastrointestinal (oral ulceration, abdominal pain), cardiac (atherosclerosis, chest pain), pulmonary (serositis, pleurisy), musculoskeletal (arthralgia, myalgia), renal (nephritis, hematuria), obstetrical (increased spontaneous abortions, neonatal lupus), constitutional (fatigue, loss of appetite) and neuropsychiatric (mood and cognitive disorders) involvement, amongst others. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic refraction anomaly disorder with characteristics of non-syndromic severe myopia, which may be associated with cataract and vitreoretinal degeneration (retinal detachment) that may lead to blindness. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic adrenal disease with characteristics of diminished corticosteroid-binding capacity associated with normal or low plasma corticosteroid-binding globulin concentration and reduced total plasma cortisol levels. Patients typically present chronic pain, fatigue and hypo/hypertension. Can be caused by heterozygous or homozygous mutation in the SERPINA6 gene on chromosome 14q32. Is a True Autosomal hereditary disorder Inferred relationship Some
A group of rare genetic developmental defect during embryogenesis disorders with the association of sensorineural deafness and onychodystrophy (for example absent/hypoplastic finger and toenails) as well as brachydactyly and finger-like thumbs. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic ectodermal dysplasia syndrome with characteristics of persistent skin fragility which manifests with blistering and erosions due to minimal trauma, wooly hair with variable alopecia, hyperkeratotic nail dysplasia, diffuse or focal palmoplantar keratoderma with painful fissuring, and no cardiac abnormalities. Perioral hyperkeratosis may also be associated. Caused by homozygous or compound heterozygous mutation in the desmoplakin gene on chromosome 6p24. Is a True Autosomal hereditary disorder Inferred relationship Some
Autosomal spastic paraplegia type 72 is a rare genetic pure hereditary spastic paraplegia disorder with characteristics of early childhood onset of slowly progressive crural spastic paraparesis presenting with spastic gait, mild stiffness at rest, hyperreflexia (in lower limbs), extensor plantar responses and in some mild postural tremor, pes cavus, sphincter disturbances and sensory loss at ankles. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic axonal hereditary motor and sensory neuropathy disorder with characteristics of adulthood-onset of slowly progressive, occasionally asymmetrical, distal muscle weakness and atrophy (predominantly in the lower limbs), pan-modal sensory loss, muscle cramping in extremities and/or trunk, pes cavus and absent or reduced deep tendon reflexes. Gait anomalies and variable autonomic disturbances, such as erectile dysfunction and urinary urgency, may be associated. The disease can be caused by homozygous or heterozygous mutation in the LRSAM1 gene on chromosome 9q33. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic coagulation disorder with characteristics of mild to moderate bleeding tendency due to impaired platelet activation and aggregation in response to collagen, or impaired platelet-vessel wall interaction, resulting from a collagen receptor defect. Patients manifest with ecchymoses, epistaxis, menorrhagia, and/or post-traumatic and post-surgery bleeding complications. Laboratory analysis reveals prolonged bleeding time and occasionally mild thrombocytopenia. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic developmental defect during embryogenesis disorder with characteristics of severe early-onset salt-wasting adrenal insufficiency and ambiguous/female external genitalia (irrespective of chromosomal sex) due to mutations in the CYP11A1 gene. Milder cases may present delayed onset of adrenal gland dysfunction and genitalia phenotype may range from normal male to female in individuals with 46,XY karyotype. Imaging studies reveal hypoplastic/absent adrenal glands and biochemical findings include low serum cortisol, mineralocorticoids, androgens and sodium with elevated potassium levels. Caused by heterozygous, compound heterozygous or homozygous mutation in the CYP11A1 gene on chromosome 15q23-q24. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic constitutional aplastic anemia disorder characterized by severe peripheral blood pancytopenia and bone marrow hypoplasia in multiple individuals of a family, in the absence of any somatic symptoms. Abnormal bleeding, as well as erythrocyte macrocytosis, is reported and patients usually become transfusion-dependent. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic endocrine disease with characteristics of a defect in conversion of cortisone to active cortisol, resulting in ACTH-mediated excessive androgen release from adrenal glands. Premature adrenarche is typical with precocious pseudopuberty, proportionate tall stature and accelerated bone maturation in males and hirsutism, oligoamenorrhea, central obesity and infertility in females. Imaging studies may indicate adrenal hyperplasia. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare congenital isolated hyperinsulinism disorder with characteristics of diazoxide unresponsive recurrent episodes of hyperinsulinemic hypoglycemia resulting from an excessive insulin secretion by the pancreatic beta-cells due to SUR1 deficiency. Hypoglycemia may lead to variable clinical manifestations, ranging from asymptomatic hypoglycemia revealed by routine blood glucose monitoring to macrosomia at birth, mild to moderate hepatomegaly and life-threatening hypoglycemic coma or status epilepticus, further leading to poor neurological outcome. Caused by homozygous, compound heterozygous, or heterozygous mutation in the ABCC8 gene on chromosome 11p15. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic neonatal epilepsy syndrome disease with characteristics of onset in the first 6 months of life of almost continuous migrating polymorphous focal seizures with corresponding multifocal ictal electroencephalographic discharges, progressive deterioration of psychomotor development and usually early mortality. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic movement disorder with characteristics of involuntary movements on one side of the body that mirror intentional movements on the opposite side of the body, which are present in various first-degree members of a family, persist beyond the first decade of life, and have no associated comorbidities. Is a True Autosomal hereditary disorder Inferred relationship Some
Bifid nose is a rare congenital malformation of presumed autosomal dominant or recessive inheritance with characteristics of clefting of the nose ranging from a minimally noticeable groove in the columella to complete clefting of the underlying bones and cartilage (resulting in two half noses) with a usually adequate airway. Bifid nose may be seen in frontonasal dysplasia while other malformations such as hypertelorbitism and midline clefts of the lip may also be associated. Is a True Autosomal hereditary disorder Inferred relationship Some
Fibrochondrogenesis is a rare neonatally lethal rhizomelic chondrodysplasia. The face is distinctive with characteristics of protuberant eyes, flat midface, flat small nose with anteverted nares and a small mouth with long upper lip. Cleft palate, micrognathia and bifid tongue can occur. The limbs show marked shortness of all segments with relatively normal hands and feet. No internal anomalies other than omphalocele have been reported. Transmission is probably autosomal recessive. Recurrence in a consanguineous family (affecting both sexes) and concordance of affected male twins has been reported. Is a True Autosomal hereditary disorder Inferred relationship Some
Megacystis, microcolon, hypoperistalsis syndrome Is a True Autosomal hereditary disorder Inferred relationship Some
Brachyolmia Is a True Autosomal hereditary disorder Inferred relationship Some
A congenital disorder of craniofacial development with characteristics of bilateral symmetrical oto-mandibular dysplasia without abnormalities of the extremities, and associated with several head and neck defects. The syndrome is caused by mutations in the TCOF1 gene (5q32) encoding the nucleolar phosphoprotein Treacle or in the POLR1C (6p21.1) or POLR1D (13q12.2) genes, coding for RNA polymerase I and III subunits. Transmission is autosomal dominant with 90% penetrance and variable expressivity, even among affected patients within the same family. Mutations in POLR1C gene are inherited in autosomal recessive manner. Is a True Autosomal hereditary disorder Inferred relationship Some
Hereditary clubbing Is a True Autosomal hereditary disorder Inferred relationship Some
A form of von Willebrand disease (VWD) with characteristics of a bleeding disorder associated with a qualitative deficiency and functional anomalies of the Willebrand factor (VWF). Depending on the type of functional abnormalities, this form is classified as type 2A, 2B, 2M or 2N. The VWF gene (12p13.3) anomalies that lead to type 2 VWD involve the well-defined functional domains of the VWF protein. Most subtypes of type 2 VWD are transmitted in an autosomal dominant manner except for type 2N and some rare forms of type 2A which are autosomal recessive. Is a False Autosomal hereditary disorder Inferred relationship Some
Autoimmune lymphoproliferative syndrome Is a True Autosomal hereditary disorder Inferred relationship Some
A rare group of genetic, cardiac rhythm diseases with characteristics of a prolongation of the QT interval at basal electrocardiography (ECG) and by a high risk of life-threatening arrhythmias. The two cardinal manifestations are syncopal episodes, which may lead to cardiac arrest and sudden cardiac death, and electrocardiographic abnormalities: prolongation of the QT interval and T wave abnormalities. Inheritance may be autosomal dominant or autosomal recessive and depends on the genes involved. Is a True Autosomal hereditary disorder Inferred relationship Some
Arrhythmogenic right ventricular dysplasia (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Adams-Oliver syndrome Is a True Autosomal hereditary disorder Inferred relationship Some
Blount disease Is a True Autosomal hereditary disorder Inferred relationship Some
Osteogenesis imperfecta type 5 (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Erythrokeratodermia variabilis Is a True Autosomal hereditary disorder Inferred relationship Some
Hypodysfibrinogenemia Is a False Autosomal hereditary disorder Inferred relationship Some
Combined malonic and methylmalonic aciduria Is a True Autosomal hereditary disorder Inferred relationship Some
A rare retinal dystrophy with characteristics of photophobia, progressive loss of visual acuity, nystagmus, visual field abnormalities, abnormal color vision, and psychophysical and electrophysiological evidence of abnormal cone function. Progressive cone dystrophy usually presents in childhood or early adult life, and patients tend to develop rod photoreceptor dysfunction in later life. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic female infertility characterized by oocyte maturation arrest during any of the various stages of meiosis I or II. In some patients, first polar body oocytes may be retrieved, but these either show fertilization failure or early embryonic arrest. Affected women have regular menstrual cycles. Is a True Autosomal hereditary disorder Inferred relationship Some
Global developmental delay-visual anomalies-progressive cerebellar atrophy-truncal hypotonia syndrome is a rare, genetic, neurological disorder characterized by mild to severe developmental delay and speech impairment, truncal hypotonia, abnormalities of vision (including cortical visual impairment and abnormal visual-evoked potentials), progressive brain atrophy mainly affecting the cerebellum, and shortened or atrophic corpus callosum. Other clinical findings may include increased muscle tone in the extremities, dystonic posturing, hyporeflexia, scoliosis, postnatal microcephaly and variable facial dysmorphism (e.g. deep-set eyes, gingival hyperplasia, short philtrum and retrognathia). Is a True Autosomal hereditary disorder Inferred relationship Some
Trehalase deficiency Is a True Autosomal hereditary disorder Inferred relationship Some
Aicardi Goutieres syndrome type 1 Is a False Autosomal hereditary disorder Inferred relationship Some
A rare autosomal ichthyosis syndrome with prominent neurologic signs characterized by the association of congenital ichthyosis with severe developmental delay, microcephaly, spastic tetraplegia, sensorineural hearing impairment, athetosis, and myoclonus. Marked epileptic discharges with occurrence of tonic spasms have also been reported. Cerebral MRI shows diffuse cortical atrophy. There have been no further descriptions in the literature since 1995. Is a True Autosomal hereditary disorder Inferred relationship Some
Typical nemaline myopathy is a moderate neonatal form of nemaline myopathy characterized by facial and skeletal muscle weakness and mild respiratory involvement. Is a True Autosomal hereditary disorder Inferred relationship Some
Actin accumulation myopathy (disorder) Is a True Autosomal hereditary disorder Inferred relationship Some
Intermediate nemaline myopathy Is a True Autosomal hereditary disorder Inferred relationship Some
A rare familial partial lipodystrophy characterized by severe partial lipoatrophy affecting the limbs, trunk, and abdomen, together with faciocervical fat accumulation. Additional manifestations include diabetes, acanthosis nigricans, liver steatosis, and hypertriglyceridemia, as well as low serum leptin and adiponectin levels. Severe cardiac rhythm and conduction disturbances have also been reported. Is a True Autosomal hereditary disorder Inferred relationship Some
An inherited neuromuscular disorder with characteristics of central cores on muscle biopsy and clinical features of a congenital myopathy. Typical presentation is in infancy with hypotonia and motor developmental delay and predominantly proximal weakness pronounced in the hip girdle. Caused by (predominantly dominant) mutations in the skeletal muscle ryanodine receptor (RYR1) gene, encoding the principal skeletal muscle sarcoplasmic reticulum calcium release channel (RyR1). Altered excitability and/or changes in calcium homeostasis within muscle cells due to mutation-induced conformational changes in the RyR protein are considered to be the main pathogenetic mechanism(s). Is a True Autosomal hereditary disorder Inferred relationship Some
A neurodegenerative disease with characteristics of progressive muscular paralysis reflecting degeneration of motor neurons in the primary motor cortex, corticospinal tracts, brainstem and spinal cord. Associated with mutations in the superoxide dismutase-1 gene (SOD1) on chromosome 21q22. Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic congenital non-dystrophic myopathy characterised by neonatal or infantile-onset hypotonia and mild to severe generalised muscle weakness. Causative gene mutation is ACTA1 (1q42.13). Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic congenital non-dystrophic myopathy characterized by neonatal or infantile-onset hypotonia and mild to severe generalized muscle weakness. Causative gene mutation is TPM3 (1q21.3). Is a True Autosomal hereditary disorder Inferred relationship Some
A rare genetic neurovascular malformation characterized by sac-like bulging of cerebral arteries due to weakening of the endothelial layer. Familial occurrence is suspected when two or more affected first- to third-degree relatives are present in a family. Aneurysms may remain asymptomatic throughout life, or rupture and thereby cause potentially life-threatening subarachnoid hemorrhage. Patients with familial cerebral saccular aneurysm are more likely to develop more than one brain aneurysm, are at greater risk of rupture, and tend to have poorer outcome after rupture than patients with sporadic cerebral aneurysms. Is a True Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 11 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 10 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 3 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 12 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 13 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some
Long QT syndrome type 4 (disorder) Is a False Autosomal hereditary disorder Inferred relationship Some

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