Sigeru Koyama

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BACKGROUND/AIMS Low-dose aspirin is widely used for the prevention of cardiovascular and cerebrovascular diseases. However, administration of low-dose aspirin is associated with an increased risk of upper gastrointestinal complications, such as upper gastrointestinal erosions, ulcers and bleeding. The aim of this study was to clarify the prevalence and(More)
A case of acquired nystagmus alternans (alternating nystagmus) is reported. The patient was a 14-year-old boy who presented with fever and headache, followed by dysbasia, truncal ataxia, and positional vertigo. Neuro-otological examinations revealed spontaneous downbeat nystagmus, bilateral gaze nystagmus and rebound nystagmus. Both cell count and protein(More)
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