Neuromyelitis optica spectrum disorder

Case contributed by Dr Rajarajan

Presentation

Known neuromyelitis optica, on follow up, with significant improvement. Now presented with ataxia.

Patient Data

Age: 50 years
Gender: Female

Periaqueductal hyperintensities on T2 and FLAIR with minimal diffusion restriction. No new focal lesions were detected. The optic nerve was relatively normal. Cervical spinal MRI was also done and did not demonstrate any focal lesions.

Case Discussion

A case of known neuromyelitis optica, for follow up. The periaqueductal hyperintensities which are consistent with aquaporin distribution is more favorable for a diagnosis of neuromyelitis than multiple sclerosis.

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