A 45-year-old man presented with a pink nodule on the superior left buttock, approximately 1 cm lateral of the gluteal cleft. The patient reports that the area gets inflamed and tender to the touch, preventing him from comfortably sitting.
A 45-year-old man presented with a pink nodule on the superior left buttock, approximately 1 cm lateral of the gluteal cleft. The patient reports that the area gets inflamed and tender to the touch, preventing him from comfortably sitting.
A 45-year-old man presented with...