Dermatologic Disorders

This article describes the pathophysiology, diagnosis, and treatment of bed bugs, as well as infection-control implications.

A 36-year-old man presented to the clinic for the evaluation of a new growth under his right arm. He stated that the growth had begun 1 to 2 months prior and had progressively increased in size.

Authors: Ruchi Gupta, MD, and Kaninghat Prasanth, MD, DCH, MRCPCH Flushing Hospital Medical Center, Flushing, New York

A 43-year-old white man presented to the dermatology clinic with a small growth on his left index finger that had been present and growing for the past 11 months.

An 8-year-old girl on maintenance chemotherapy for acute lymphoblastic leukemia presented with an itchy lesion on her left hand that had failed to respond to topical triamcinolone.