A case of left facial asymmetry.

History Mr. Chan was a 70-year-old man with a history of diabetes under dietary control, hyperlipidemia, and nasopharyngeal carcinoma treated with radical chemotherapy and radiotherapy in 1999. He presented with a 2-week history of left angle of mouth drooping that his children first pointed out. He also reported a longstanding history of slowly progressive slurred … Read more

A case of unsteady gait.

History Mr. Chow was a 45-year-old man with a history of chronic ischemic heart disease. He is a chronic smoker and non-drinker. He presented with a 1-year history of insidious onset, slowly progressive, unsteady gait. There were no symptoms of sensory and autonomic dysfunction. He does not have a positive family history of gait disturbances, … Read more

A case of bilateral optic neuropathy.

History Mr. Ng was a 70-year-old man with a history of ANCA-associated vasculitis of renal, pulmonary, and ENT manifestations 5 years ago. He remained in remission on azathioprine 50mg daily. He did not have any other vascular risk factors. He presented with a 3-week history of acute onset painless, altitudinal, monocular visual loss that occurred … Read more