Pseudomonal ecthyma gangrenosum is an uncommon skin lesion caused by infection of a Pseudomonas species. It is typically found in the gluteal or perineal regions and is marked by red macules with central areas of necrosis surrounded by an erythematous halo.
ecthyma gangrenosum caused by infection with Pseudomonas
It is seen in patients who are immunocompromised or neutropenic.
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