A 44 year-old male with progressive weakness

A 44 year-old male presents with a several-week history of progressive weakness and visual changes. His family has noted a personality change over the past few months. An MRI shows multifocal, non-enhancing lesions involving the cortical white matter. A biopsy of one of the lesions is shown here. (more…)

Four years!

Four-leaf clover

I just realized that it’s been four years (and one day) since I started this blog! (more…)

Myelodysplasia: not quite leukemia

Myelodysplasia (MDS) is often thought of as “pre-leukemia.” Which is kind of misleading, because only some cases of MDS go on to become leukemia; others stay the same and never progress. (more…)