Article: article from journal or magazin.
Case report (case report): feedback on an observation with a short commentary.
Le pyoderma gangrenosum: pathologie rare ou diagnostic omis [Pyoderma gangrenosum: a rare pathology or an omitted diagnosis?]
Annales de Chirurgie Plastique et Esthétique
Pyoderma gangrenosum is a rare pathology of uncertain etiology. It is an inflammatory dermatosis that causes cutaneous necrosis with a characteristically rapid evolution. No precise diagnosis criteria has been established and pyoderma gangrenosum remains an exclusion diagnosis. In 40 to 50% of the cases, the evolution of pyoderma gangrenosum can be worsened by a nonspecific external stimulus such as a trauma or a surgery. This phenomenon, called pathergy, conduces to avoid any surgical excision of the lesion. However, the diagnosis is often omitted and the rapid evolution of the cutaneous necrosis forces the surgeon to perform a surgical debridement of the wound. It causes a pejoration of the lesion. It can have disastrous consequences. We present here three different case reports.
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