Reconstructive microsurgical approach for treatment of pyoderma gangrenosum

Pyoderma gangrenosum (PG) is a rare type of autoimmune disease that results in progressive ulcers with or without previous trauma. PG is not well understood to date, and its treatment therefore remains a challenge. Because of the disease's systemic characteristic and the unpredictability of the clinical course, no gold standard treatment is available, especially concerning surgical procedures to treat pyodermic lesions. Often, PG is not recognized during routine clinical practice, and standard ulcer treatment (conservative wound care, debridement, skin grafting, and local flap coverage) is started; this induces an autoinflammatory response, resulting in disastrous ulcers, thereby making free flap coverage necessary.

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