Improvement of refractory pyoderma gangrenosum with adjunctive maggot debridement therapy.

This article focuses on the use of maggot debridement therapy (MDT) to treat refractory pyoderma gangrenosum (PG), a painful autoinflammatory neutrophilic dermatosis that is difficult to manage with standard immunosuppressive treatments. It presents a case of a 65-year-old female with PG associated with pemphigus vulgaris who showed significant wound healing and reduction of necrotic tissue after two sessions of MDT, following failure of conventional therapies. MDT was chosen to minimize pathergy, a phenomenon where trauma worsens PG, as maggots selectively consume necrotic tissue and promote granulation through mechanical stimulation and bioactive secretions. The report suggests that MDT may offer a promising adjunctive treatment for PG, though larger studies are needed to confirm its efficacy and immunomodulatory mechanisms.