True regarding crohn\'s disease are A/E –

The skin involvement in Crohn's disease causes erythema nodosum, scleroderma does not occur in Crohn's disease. Other extraintestinal manifestations of Crohn's disease: Migratory polyarthritis                                                                                                                                                         Uveitis  Clubbing  Sacroiliitis Hepatic pericholangitis     Renal stones (uric acid & oxalate) Ankylosing spondylitis Primary sclerosing cholangitis