| Summary: | Rationale: Ecthyma gangrenosum (Eg) is a necrotic lesion that is mostly seen in immunocompromised patients. It reflects a severe sepsis, possibly caused by Pseudomonas aeruginosa (Pa).Patient Concerns: A healthy 3-year-old girl admitted to the Pediatric Emergency Department presented a sepsis-associated purpura with neurological and respiratory distress.Interventions: An empiric antibiotherapy (anti-meningococcal) was prescribed.Diagnoses: Forty-eight hours after admission, blood and wound cultures were positive for Pa. As a result, the decision was made to change the antibiotic therapy.Unfortunately, on day 3, the patient died. Exhaustive immunologic tests are presently being carried out.Outcomes: Eg caused by Pa is uncommon in healthy children, and purpura sepsis is usually caused by Neisseria meningitides infection.Lessons: Eg should be recognized rapidly so that the appropriate treatment can be prescribed as quickly as possible.
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