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Ecthyma Gangrenosum

definition

Variant of vasculitis seen in patients with Pseudomonas aeruginosa septicaemia. Erythematous or purpuric macules develop into haemorrhagic bullae, which rupture, resulting in a punched-out ulcer with a dense black depressed centre and raised edges. Patients are likely to have an underlying condition, such as cancer, immunodeficiency syndrome, extensive burns, and malnutrition.

synonyms

Ecthyma Gangrenosum

UMLS

Ecthyma gangrenosum, Ecthyma, gangrenosum