Figure 4.14 A: Ecthyma gangrenosum B: Meningococcemia (Courtesy of Dr. Paul Getz) C: Meningococcemia (Courtesy of Dr. Paul Getz)
(Figure 4.14A)
Cutaneous manifestation of severe, invasive infection by P.aeruginosa typically in immunosuppressed patients
Presents initially as erythematous macules → opalescent, tense vesicles or pustules → hemorrhagic and violaceous vesicles → rupture and form ulcers with necrotic centers
Treatment: intravenous aminoglycoside with anti-pseudomonal penicillin