Treatment of Diabetic Foot Ulcers With Necrotizing Fasciitis in the Lower Leg Using the STAGE Principles: A Report of 9 Cases With a Literature Review.

Diabetic foot ulcers (DFUs) combined with necrotizing fasciitis (NF) has rapid onset, involves a wide range of lesions, is difficult to treat, and has a high mortality rate. It has become a clinically critical disease. DFU patients are at high risk for NF.