title: Inverted appendiceal orifice masquerading as a cecal polyp on virtual colonoscopy.
authors.forename: Marc Jeffrey
authors.initials: MJ
authors.lastname: Gollub
mesh_terms: D001065:Appendix / Q000000981:diagnostic imaging*; D002430:Cecal Neoplasms / Q000000981:diagnostic imaging*; D023881:Colonography, Computed Tomographic; D003937:Diagnosis, Differential; D006801:Humans; D007417:Intestinal Polyps / Q000000981:diagnostic imaging*