Excerpt
Figures 1 and 2: What is your differential diagnosis?
Clinical evaluation was significant for multiple firm papules that were not painful or pruritic, located on the bilateral knees, calves, and buttocks (Fig. 3). The papules had been present, but increasing in size, for several years, during which time the patient was undergoing treatment of non-Hodgkin lymphoma.
Figures 3 and 4: How do the clinical and electron microscopy findings affect your diagnosis? Are additional studies are indicated?
For the answer, please turn to page 347.