Weekly Challenge

What is your diagnosis?
A 37-year-old male patient presents for evaluation of a recurrent growth on the upper back. He had it excised 4 months previously, but the lesion has recurred beyond the borders of the original scar...

Self-Assessment & Review

True or false? Langerhans cell histiocytosis is a group of idiopathic disorders characterized by the proliferation of Langerhans cells and mast cells.

  1. True
  2. False

Derm Surgery 101