Pyoderma vegetans
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: 1B7Y
Last Updated: 2023-07-07
Author(s): Anzengruber F., Navarini A.
ICD11: 1B7Y
Hallopeau 1898.
Chronic vegetative pyoderma, pyodermites végétantes et verruqueuses, pyodermia chronica papillaris et exulcerans.
Chronic bacterial infection following trivial injuries.
Often occurring in immunocompromised patients.
Centrifugally expanding, eventually coin- to palm-sized, livid infiltrates with pustules, necrosis, ulcers (some fistulating), with verrucous, papillomatous smeary secretion. Pus emptying is possible on pressure. In most cases, vegetating pyodermas are solitary lesions; rarely, several may occur. The efflorescences heal with scarring (bridge and pinnacle scars).
V.a. extremities and back of the hand.
Unspecific, epidermal hyperplasia, intra- and subepidermal neutrophilic microabscesses, dermal inflammatory infiltrate.
For staph infections:
Topical therapy
Surgical debridement or wound treatment appropriate to the stage
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