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Results: 1 to 20 of 70

1.

Spinocerebellar ataxia 36

SCA36 is a slowly progressive neurodegenerative disorder characterized by adult-onset gait ataxia, eye movement abnormalities, tongue fasciculations, and variable upper motor neuron signs. Some affected individuals may develop hearing loss (summary by Garcia-Murias et al,. 2012). For a general discussion of autosomal dominant spinocerebellar ataxia, see SCA1 (164400). [from OMIM]

MedGen UID:
483339
Concept ID:
C3472711
Disease or Syndrome
2.

Charcot-Marie-Tooth disease type 2P

Charcot-Marie-Tooth hereditary neuropathy type 2 (CMT2) is an axonal (non-demyelinating) peripheral neuropathy characterized by distal muscle weakness and atrophy, mild sensory loss, and normal or near-normal nerve conduction velocities. CMT2 is clinically similar to CMT1, although typically less severe. Peripheral nerves are not enlarged or hypertrophic. The subtypes of CMT2 are similar clinically and distinguished only by molecular genetic findings. [from GeneReviews]

MedGen UID:
482427
Concept ID:
C3280797
Disease or Syndrome
3.

Charcot-Marie-Tooth disease, axonal, type 2O

Charcot-Marie-Tooth hereditary neuropathy type 2 (CMT2) is an axonal (non-demyelinating) peripheral neuropathy characterized by distal muscle weakness and atrophy, mild sensory loss, and normal or near-normal nerve conduction velocities. CMT2 is clinically similar to CMT1, although typically less severe. Peripheral nerves are not enlarged or hypertrophic. The subtypes of CMT2 are similar clinically and distinguished only by molecular genetic findings. [from GeneReviews]

MedGen UID:
481850
Concept ID:
C3280220
Disease or Syndrome
4.

NEUROPATHY, HEREDITARY SENSORY, TYPE IIC

Hereditary sensory and autonomic neuropathy type II (HSAN2) is characterized by progressively reduced sensation to pain, temperature, and touch. Onset can be at birth and is often before puberty. The sensory deficit is predominantly distal with the lower limbs more severely affected than the upper limbs. Over time sensory function becomes severely reduced. Unnoticed injuries and neuropathic skin promote ulcerations and infections that result in spontaneous amputation of digits or the need for surgical amputation. Osteomyelitis is common. Painless fractures can complicate the disease. Autonomic disturbances are variable and can include hyperhidrosis, tonic pupils, and urinary incontinence in those with more advanced disease. [from GeneReviews]

MedGen UID:
481798
Concept ID:
C3280168
Disease or Syndrome
5.

NEUROPATHY, HEREDITARY SENSORY, TYPE IE

Loeys-Dietz syndrome (LDS) is characterized by vascular findings (cerebral, thoracic, and abdominal arterial aneurysms and/or dissections) and skeletal manifestations (pectus excavatum or pectus carinatum, scoliosis, joint laxity, arachnodactyly, talipes equinovarus). Approximately 75% of affected individuals have LDS type I with craniofacial manifestations (widely spaced eyes, bifid uvula/cleft palate, craniosynostosis); approximately 25% have LDS type II with systemic manifestations of LDSI but minimal or absent craniofacial features. LDSI and LDSII form a clinical continuum. The natural history of LDS is characterized by aggressive arterial aneurysms (mean age at death 26.1 years) and a high incidence of pregnancy-related complications, including death and uterine rupture. [from GeneReviews]

MedGen UID:
481515
Concept ID:
C3279885
Disease or Syndrome
6.

Spinocerebellar ataxia 35

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
450182
Concept ID:
CN077707
Disease or Syndrome
7.

Charcot-Marie-Tooth disease, type 2

MedGen UID:
432725
Concept ID:
CN043576
Disease or Syndrome
8.

Spinocerebellar ataxia 30

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
424821
Concept ID:
C2936793
Disease or Syndrome
9.

Hereditary sensory and autonomic neuropathy type IIA

Hereditary sensory and autonomic neuropathy type II (HSAN2) is characterized by progressively reduced sensation to pain, temperature, and touch. Onset can be at birth and is often before puberty. The sensory deficit is predominantly distal with the lower limbs more severely affected than the upper limbs. Over time sensory function becomes severely reduced. Unnoticed injuries and neuropathic skin promote ulcerations and infections that result in spontaneous amputation of digits or the need for surgical amputation. Osteomyelitis is common. Painless fractures can complicate the disease. Autonomic disturbances are variable and can include hyperhidrosis, tonic pupils, and urinary incontinence in those with more advanced disease. [from GeneReviews]

MedGen UID:
416701
Concept ID:
C2752089
Disease or Syndrome
10.

Charcot-Marie-Tooth disease, type 2N

Charcot-Marie-Tooth hereditary neuropathy type 2 (CMT2) is an axonal (non-demyelinating) peripheral neuropathy characterized by distal muscle weakness and atrophy, mild sensory loss, and normal or near-normal nerve conduction velocities. CMT2 is clinically similar to CMT1, although typically less severe. Peripheral nerves are not enlarged or hypertrophic. The subtypes of CMT2 are similar clinically and distinguished only by molecular genetic findings. [from GeneReviews]

MedGen UID:
413754
Concept ID:
C2750090
Disease or Syndrome
11.

Hereditary sensory and autonomic neuropathy type IIB

Hereditary sensory and autonomic neuropathy type II (HSAN2) is characterized by progressively reduced sensation to pain, temperature, and touch. Onset can be at birth and is often before puberty. The sensory deficit is predominantly distal with the lower limbs more severely affected than the upper limbs. Over time sensory function becomes severely reduced. Unnoticed injuries and neuropathic skin promote ulcerations and infections that result in spontaneous amputation of digits or the need for surgical amputation. Osteomyelitis is common. Painless fractures can complicate the disease. Autonomic disturbances are variable and can include hyperhidrosis, tonic pupils, and urinary incontinence in those with more advanced disease. [from GeneReviews]

MedGen UID:
413474
Concept ID:
C2751092
Disease or Syndrome
12.

Ataxia, spastic, 1, autosomal dominant

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
409988
Concept ID:
C1970107
Disease or Syndrome
13.

Adult onset ataxia with oculomotor apraxia

Ataxia with oculomotor apraxia type 1 (AOA1) is characterized by childhood onset of slowly progressive cerebellar ataxia, followed by oculomotor apraxia and a severe primary motor peripheral axonal motor neuropathy. The first manifestation is progressive gait imbalance (mean age of onset: 4.3 years; range: 2-10 years), followed by dysarthria, then upper-limb dysmetria with mild intention tremor. Oculomotor apraxia, usually noticed a few years after the onset of ataxia, progresses to external ophthalmoplegia. All affected individuals have generalized areflexia followed by a peripheral neuropathy and quadriplegia with loss of ambulation about seven to ten years after onset. Hands and feet are short and atrophic. Chorea and upper-limb dystonia are common. Intellect remains normal in some individuals; in others, different degrees of cognitive impairment have been observed. [from GeneReviews]

MedGen UID:
395301
Concept ID:
C1859598
Disease or Syndrome
14.

Episodic ataxia, type 6

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
390739
Concept ID:
C2675211
Disease or Syndrome
15.

Charcot-Marie-Tooth disease type 2C

Charcot-Marie-Tooth hereditary neuropathy type 2 (CMT2) is an axonal (non-demyelinating) peripheral neuropathy characterized by distal muscle weakness and atrophy, mild sensory loss, and normal or near-normal nerve conduction velocities. CMT2 is clinically similar to CMT1, although typically less severe. Peripheral nerves are not enlarged or hypertrophic. The subtypes of CMT2 are similar clinically and distinguished only by molecular genetic findings. [from GeneReviews]

MedGen UID:
389170
Concept ID:
C2079540
Disease or Syndrome
16.

Friedreich ataxia 1

Friedreich ataxia (FRDA) is characterized by slowly progressive ataxia with mean onset between age ten and 15 years and usually before age 25 years. FRDA is typically associated with dysarthria, muscle weakness, spasticity in the lower limbs, scoliosis, bladder dysfunction, absent lower limb reflexes, and loss of position and vibration sense. Approximately two thirds of individuals with FRDA have cardiomyopathy; up to 30% have diabetes mellitus; and approximately 25% have an "atypical" presentation with later onset or retained tendon reflexes. [from GeneReviews]

MedGen UID:
383962
Concept ID:
C1856689
Disease or Syndrome
17.

Charcot-Marie-Tooth disease type 2B2

Charcot-Marie-Tooth hereditary neuropathy type 2 (CMT2) is an axonal (non-demyelinating) peripheral neuropathy characterized by distal muscle weakness and atrophy, mild sensory loss, and normal or near-normal nerve conduction velocities. CMT2 is clinically similar to CMT1, although typically less severe. Peripheral nerves are not enlarged or hypertrophic. The subtypes of CMT2 are similar clinically and distinguished only by molecular genetic findings. [from GeneReviews]

MedGen UID:
381352
Concept ID:
C1854150
Disease or Syndrome
18.

Episodic ataxia, type 4

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
376222
Concept ID:
C1847843
Disease or Syndrome
19.

Episodic ataxia, type 3

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
376220
Concept ID:
C1847839
Disease or Syndrome
20.

Spinocerebellar ataxia 21

The hereditary ataxias are a group of genetic disorders characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements. Frequently, atrophy of the cerebellum occurs. In this GeneReview the hereditary ataxias are categorized by mode of inheritance and gene (or chromosomal locus) in which pathogenic variants occur. [from GeneReviews]

MedGen UID:
375311
Concept ID:
C1843891
Disease or Syndrome

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