What is the progression of pyoderma gangrenosum requiring wound care?

Updated: Apr 24, 2020
  • Author: Brian J Daley, MD, MBA, FACS, FCCP, CNSC; Chief Editor: Zubin J Panthaki, MD, CM, FACS, FRCSC  more...
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Answer

Pyoderma gangrenosum usually starts as a small, painful papule or nodule, which is often erroneously presumed to be the result of an insect bite. The lesion enlarges, becomes ulcerated, and develops overhanging, violaceous borders, as shown in the image below.

Chronic ulcer of medial aspect of right leg due to Chronic ulcer of medial aspect of right leg due to pyoderma gangrenosum.

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