Cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS)

Case contributed by Dr Grace Carpenter

Presentation

Recent increase in unsteadiness with associated sensory peripheral neuropathy.

Patient Data

Age: 75 years
Gender: Female

BRAIN: Cerebellar atrophy is marked, especially in the region of the lower vermis. Moderate generalized cerebral atrophy. Brainstem is normal. Moderate midbrain atrophy. Diffuse white matter hyperintensity consistent with small vessel type ischemia.

CERVICAL SPINE: Central canal is capacious.  Slight loss of the
normal cervical enlargement, spinal cord caliber appears below average.

Case Discussion

This case demonstrates a patient with cerebellar ataxia with neuropathy and vestibular areflexia syndrome (CANVAS). It depicts common MRI findings of focal cerebellar atrophy, particularly in the vermis, as well as spinal cord atrophy, most notably in the cervical region. This patient was diagnosed with CANVAS 10 years prior to this presentation at a tertiary center and was found to have a positive family history of neurodegenerative disorders; this patient has two family members who suffer from multiple sclerosis.

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Case information

rID: 74283
Published: 14th Feb 2020
Last edited: 16th Feb 2020
Inclusion in quiz mode: Included
Institution: Northern Health

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