Postsurgical, Chronic, Nonprogressive, Cutaneous Ulcers: A Possible Variant of Pyoderma Gangrenosum Associated with Diabetes Mellitus

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Abstract
Two patients developed persistent ulcers on the trunk after cutaneous surgery. Both had "chemical" diabetes mellitus. Bacteriologic and histopathologic studies of the ulcers were not revealing of cause. The characteristics of the ulcers are described, and are contrasted with typical lesions of pyoderma gangrenosum and Meleney's postoperative progressive synergistic bacterial gangrene. We believe these patients had variant lesions of pyoderma gangrenosum.

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