<prompt> Association of PSC with all exceptUlcerative colitisIdiopathic thrombocytopenia purpuraSarcoidosisRetro peritoneal fibrosis  <response>: Disease association with PSC Chronic ulcerative colitis Crohns disease Autoimmune hepatitis Chronic pancreatitis Hypereosinophilia Riedels thyroiditis Celiac disease Auto immune hemolytic anemia Sicca syndrome Sarcoidosis Glomerulonephritis Retro peritoneal fibrosis Systemic sclerosis Smoking is protective in : PSC UC PSC and cholangiocarcinoma is more common in males PVC is more common in females Colectomy has no effect in the course of PSC Ref : Sabiston 20th edition Pgno : 1508-1509 