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Ulceration of Pyoderma Gangrenosum Treated with Negative Pressure Wound Therapy

^* Podiatry Program, Phoenix Baptist Hospital, Phoenix, AZ.

Corresponding author: Stephen M. Geller, DPM, Podiatry Program, Phoenix Baptist Hospital, 1728 W Glendale, Ste 103, Phoenix, AZ 85021.

Abstract

Pyoderma gangrenosum is a skin disease characterized by wounds with blue-to-purple undermined borders surrounding purulent necrotic bases. This article reports on a patient with a circumferential, full-thickness, and partially necrotic lower-extremity ulceration of unknown etiology. Results of laboratory tests and arterial and venous imaging studies were found to be within normal limits. The diagnosis of pyoderma gangrenosum was made on the basis of the histologic appearance of the wound tissue after biopsy as a diagnosis of exclusion. Negative pressure wound therapy was undertaken, which saved the patient’s leg from amputation. Although negative pressure wound therapy has demonstrated efficacy in the treatment of chronic wounds in a variety of circumstances, this is the first documented use of this technique to treat an ulceration secondary to pyoderma gangrenosum. (J Am Podiatr Med Assoc 95(2): 171–174, 2005)