True regarding crohn's disease are A/E ?
Scleroderma
Transmural involvement
Cobble stone appearance
Skin involvement
Ans. is 'a' i.e., Scleroderma The skin involvement in Crohn's disease causes erythema nodosum, scleroderma does not occur in Crohn's disease. Other extra intestinal manifestations of Crohn's disease: I. Migratory polyahritis 2. Sacroiliaitis 5. Hepatic pericholangitis 7. Clubbing 3. Ankylosing spondylitis 4. Uveitis 6. Primary sclerosing cholangitis