Dermatological manifest of IBD:: (A) Pyoderma gangrenosum, (B) Necrolytic migratory erythema, (C) Impetigo, (D) Psoriasis
Answer is A. Ans. (a) Pyoderma gangrenosumRef: Sabiston 20th edition, Page 1341* Skin manifests in ulcerative colitis:* Most common erythema nodosum (In 10-15% cases)* Pyoderma gangrenosum (Most common site pretibial region--erythematous plaque)