Abstract:A 51-year-old man, known to have AIDS and hepatitis C, presented with a 1-week history of painless blurred vision in the left eye. He denied any symptoms of raised intracranial pressure including headache, pulse-synchronous tinnitus, transient visual obscurations, or diplopia.Two months prior, he developed pain in his lower back radiating into both legs and an associated band-like sensation around his waist. He ini- From the
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