True regarding crohn\'s disease are A/E –: (A) Scleroderma, (B) Transmural involvement, (C) Cobble stone appearance, (D) Skin involvement
Answer is A. 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