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Updated: Aug 14, 2026

Engineered Vascularized Muscle Flap
Published on: January 11, 2016
Free flap coverage of pyoderma gangrenosum leg ulcers
Dale A Classen1, Chris Thomson
1Division of Plastic Surgery, Royal University Hospital, Saskatoon, Saskatchewan, Canada.
Background:
Pyoderma gangrenosum is a necrotizing skin disorder of unknown cause. Treatment of pyoderma gangrenosum usually entails medical treatments. Surgical treatment is generally not successful.
Objective:
Two patients with pyoderma gangrenosum of their lower extremities are presented. The application and utility of microvascular free flap coverage of their ulcers is discussed.
Results:
Both patients achieved successful healing with microvascular free flaps.
Conclusion:
Microvascular free flap coverage may be a surgical treatment option for selected patients with pyoderma gangrenosum.
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