Infantile onset spinocerebellar ataxia (Q96316)
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Infantile-onset spinocerebellar ataxia (IOSCA) is a hereditary neurological disorder with early and severe involvement of both the peripheral and central nervous systems. IOSCA is characterised by very early ataxia, athetosis and reduced tendon reflexes (between 9 and 18 months of age). Ophthalmoplegia and sensorineural hearing loss are diagnosed in childhood. Other features, such as optic atrophy and sensory neuropathy with progressive loss of myelinated fibres in the sural nerve, appear later in the disease course. Hypogonadism may occur in females. Some patients show intellectual deficit. Epilepsy is a late manifestation and seizures may be life-threatening.
| Language | Label | Description | Also known as |
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| default for all languages | ID_1262541689 |
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| English | Infantile onset spinocerebellar ataxia |
Infantile-onset spinocerebellar ataxia (IOSCA) is a hereditary neurological disorder with early and severe involvement of both the peripheral and central nervous systems. IOSCA is characterised by very early ataxia, athetosis and reduced tendon reflexes (between 9 and 18 months of age). Ophthalmoplegia and sensorineural hearing loss are diagnosed in childhood. Other features, such as optic atrophy and sensory neuropathy with progressive loss of myelinated fibres in the sural nerve, appear later in the disease course. Hypogonadism may occur in females. Some patients show intellectual deficit. Epilepsy is a late manifestation and seizures may be life-threatening. |
