(BMJ)—A 76-yo man w/ advanced knee OA presented w/ a rash on his left knee/lower leg. Exam: rash consisting of reticulated telangiectasia, hyperpigmentation, and ulceration. What is the diagnosis?
Stasis dermatitis
|
Solar purpura
|
Erythema ab igne
|
Pyoderma gangrenosum
|
Zoster
|