23rd August 2024

A 22-year-old woman develops unilateral optic neuritis with full recovery. She is a smoker

A 22-year-old woman develops unilateral optic neuritis with full recovery. She is a smoker and has a strong family history of autoimmune disease. She has previously experienced some non-specific tingling of her right hand which self resolved. She is referred to neurology for further investigation. She has had an MRI which shows a swollen optic nerve with high T2 signal. She has a lumbar puncture performed which reveals the following:

White cell count 10/µL

Oligoclonal bands Positive

Protein 1.2 mg/ml

What is the most likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.