A 44-year-old man presented with numbness and a burning sensation of the left lateral leg and dorsal foot of 3 days' duration as well as a left foot drop of 1 day's duration. A painless red nodule on the right shin also developed over a 10-day period. He had been diagnosed with human immunodeficiency virus a year prior and reported compliance with antiretroviral therapy. There was a newly identified, well-demarcated, 6-cm, round, red-purple, flat-topped, nodular tumor with central depression on the right lateral shin.

A 66-year-old man with mycosis fungoides presented with a new indurated plaque on the left shoulder.