Primary sclerosing cholangitis is associated with: (A) Ulcerative cholangitis, (B) Retroperitoneal fibrosis, (C) Reidel's thyroiditis, (D) All of the above
Answer is D. Features of ulcerative colitis in case of PSC(70%).PSC may be associated with retroperitoneal fibrosis,mediastinal fibrosis,Riedel's thyroiditis,orbital pseudotumour. Reference:SRB's manual of surgery,5th edition,page no:658.