Northwestern University Feinberg School of Medicine

Orthopedic Teaching

Soft Tissue Case 1 Background

Necrotizing Fasciitis


Background

Necrotizing fasciitis is a progressive, rapidly spreading deep infection with subcutaneous necrosis. It occurs more frquently in men and in the lower extremities. Preceding trauma may be minimal, or there may be a chronic ulcer.
Risk factors include diabetes mellitus, cancer, alcoholism, vascular insufficiency, organ transplants, HIV, or neutropenia.

There are two types of necrotizing fasciitis: