Ecthyma gangrenosum

Last Updated: 2023-07-07

Author(s): Anzengruber F., Navarini A.

ICD11: 1B73.2

Ecthyma terebrans

Ulcera, which are caused by gram-negative bacteria.

Triggers are gram-negative bacteria, especially Pseudomonas aeruginosa.

Singular or multiple sharply demarcated, punched-out ulcers.


Bact. smear.

Mostly the legs are affected, but manifestation is possible everywhere.

  1. Korte AKM, Vos JM. Ecthyma Gangrenosum. N Engl J Med. 2017 Dec 7;377(23):e32.
  2. Martínez-Longoria CA, Rosales-Solis GM, Ocampo-Garza J, Guerrero-González GA, Ocampo-Candiani J. Ecthyma gangrenosum: a report of eight cases. An Bras Dermatol. 2017 Sep-Oct;92(5):698-700.