Ecthyma gangrenosum seen in?: (A) Pseudomonas septicemia, (B) Lepromatous leprosy, (C) Ulcerative colitis, (D) All of the above
Answer is A. Ecthyma Deeper variant of impetigo Indurated lesion with necrotic crust=on removal=forms ulcer Three types Ecthyma gangrenosum - Pseudomonas aeruginosa Ecthyma pyogenicum - Strep, Staph aureus Ecthyma contagiosum / Contagious pustular disease / Orf disease - Parapox virus/ORF virus. It is zoonotic viral condition which spreads sheep goat. Pseudomonas septicaemia most commonly occurs in the severely compromised host.