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Dermatology Online Journal

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Vegetative pyoderma gangrenosum


Vegetative pyoderma gangrenosum is a rare, superficial variant of pyoderma gangrenosum that is more commonly found on the trunk as single or multiple, non-painful lesions. There is typically no associated underlying systemic disease. Compared to classic pyoderma gangrenosum, vegetative lesions are more likely to heal without the use of systemic glucocorticoids, although up to 39% of patients required a short course of prednisone in a review of 46 cases. Treatments for vegetative pyoderma gangrenosum include topical and intralesional glucocorticoids, minocycline or doxycycline, dapsone, colchicine, and, rarely, alternative steroid-sparing immunosuppressants. We present a case of multiple vegetative pyoderma gangrenosum lesions arising in prior surgical sites in a patient found to have IgA monoclonal gammopathy and abnormal urinary protein electrophoresis.

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