Mucocele of the appendix presenting as a sigmoid mass.
Mural tumours of the colon are rare and may be difficult to distinguish from extrinsic lesions. We report a case of an apparent intramural sigmoid tumour due to a mucocele of the appendix and discuss the radiological diagnosis of mural tumours of the large bowel.
D000368:Aged; D001065:Appendix; D002429:Cecal Diseases / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D009078:Mucocele / Q000000981:diagnostic imaging*; D011859:Radiography; D012811:Sigmoid Neoplasms / Q000000981:diagnostic imaging*