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[Neurologic manifestations in Wolfram's syndrome]
C Leiva-Santana1, A Carro-Martinez, A Monge-Argiles
1Service de Neurologie, Hôpital d'Alicante, Espagne.
Revue Neurologique
|January 1, 1993
Summary
Wolfram syndrome (DIDMOAD) involves diabetes and optic atrophy. This study reveals significant brainstem and cerebellar atrophy in patients, linking it to olivopontocerebellar atrophy.
Area of Science:
- Neurology
- Genetics
- Radiology
Background:
- Wolfram syndrome, also known as DIDMOAD syndrome, is a rare genetic disorder characterized by juvenile diabetes mellitus and optic atrophy.
- It is often associated with other symptoms like diabetes insipidus and deafness.
- The underlying genetic mechanisms and full spectrum of neurological involvement require further elucidation.
Observation:
- Five patients with Wolfram syndrome underwent comprehensive neurological examinations, electrophysiological testing, and brain imaging (CT and MRI).
- Two pairs of affected brothers and a sporadic case with consanguinity suggested a potential recessive inheritance pattern.
- Neurological abnormalities were observed in four patients, including dysarthria, seizures, anosmia, nystagmus, and ataxia.
Findings:
- Brain imaging revealed prominent atrophy of the brainstem in four patients, a finding not consistently reported in previous literature.
- One patient showed severe brainstem and cerebellar atrophy on MRI.
- These neuroradiological findings align with pathological studies and resemble those seen in olivopontocerebellar atrophy.
Implications:
- The study suggests that Wolfram syndrome encompasses phenotypical manifestations of olivopontocerebellar atrophy.
- This finding supports the view that olivopontocerebellar atrophy is a syndrome with diverse underlying causes.
- Further research into the genetic and pathological links between Wolfram syndrome and olivopontocerebellar atrophy is warranted.