A 16-year-old boy with a history of insulin-dependent type 1 diabetes presented to a dermatology clinic with a 1-year history of nonpruritic erythematous lesions that had acutely worsened over the past...
This 52-year-old truck driver presented with a 4-month history of a worsening rash on his hands with no exposure history. He had experienced a similar episode 7 years ago that had resolved spontaneously...
This 68-year-old man presented with a 6-month history of an itchy rash on the dorsal and palmar aspects of both hands. He denied any exposure history or having a rash elsewhere on his body. There had been...
During a routine wellness examination, an otherwise healthy 12-year-old boy of Indian descent had concerns about dark areas on his tongue. He had first noticed them 1 year ago, and they had gradually...