ecthyma gangrenosum

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an ulcerative pyoderm usually caused by group A beta-hemolytic streptococcal infection at the site of minor trauma, predominantly involving the shins and feet, and generally healing with variable scar formation.
ecthyma gangreno´sum a condition most often seen in debilitated patients in association with septicemia caused by gram-negative organisms, characterized by lesions that begin as vesicles that rapidly progress to pustulation and gangrenous ulcers with undermined purpuric edges.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

der·ma·ti·tis gan·gre·no·sa in·fan·tum

a bullous or pustular eruption, of uncertain origin, followed by necrotic ulcers or extensive gangrene in children under 2 years of age; if untreated, death may result from hematogenous infection, such as liver abscess.
Farlex Partner Medical Dictionary © Farlex 2012

ecthyma gangrenosum

Abbreviation: EG
Ecthyma in patients with Pseudomonas aeruginosa, bacteremia, or sepsis. The disease consists of pustules, localized skin infarcts, or necrotic ulcers surrounded by inflamed, reddened skin. It can be diagnosed by culturing the lesions.
See also: ecthyma
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
The agent could not be shown in blood cultures, because intravenous antibiotics were initiated in another center, but we considered pseudomonas sepsis related with transient immunosupression following varicella infection and related ecthyma gangrenosum.
These findings are characteristic of ecthyma gangrenosum. The final pathology report confirmed the presence of necrotic sinonasal mucosa and marked acute suppurative inflammation (figure 3).
Ecthyma gangrenosum as a manifestation of Pseudomonas sepsis in a previously healthy child.
Ecthyma gangrenosum is a cutaneous manifestation of Pseudomonas infection that confusing to diagnose due to similarities with other pathologies and that can have devastating consequences for the patient and even cause death.
The lesion was consistent with ecthyma gangrenosum. Large numbers of bacilli were observed, none with the morphologic features of anthrax.
Ecthyma gangrenosum is a rare cutaneous infection, most commonly caused by the Gram-negative bacterium Pseudomonas aeruginosa (1, 2).
Other conditions with infectious etiology which can be fatal include eczema herpeticum, Waterhouse-Friderichsen syndrome, staphylococcal and streptococcal toxic shock syndromes, Rocky Mountain spotted fever, anthrax and ecthyma gangrenosum.
Ecthyma gangrenosum is a well known cutaneous manifestation of Pseudomonas aeruginosa infections and is usually seen in immunocompromised patients.