Derm Dx: A woman with 'mossy' legs

A 63-year-old woman is evaluated for thick, pebbly, warty skin changes on her lower legs. Her past medical history is significant for morbid obesity.

The patient also has a history of severe lower extremity venous stasis, which began in her forties. She had been prescribed compression stockings many years earlier, but failed to use them. Her medical records indicate that ...