title: A 'wandering' gallstone.
abstract: When all three of the features of Rigler's triad are present on an abdominal radiograph, the cause of a small-bowel obstruction can be identified.
authors.affiliation: Department of Diagnostic Radiology, University of the Witwatersrand, South Africa. drmkuehnast@gmail.com
authors.forename: M
authors.initials: M
authors.lastname: Kuehnast
authors.forename: T
authors.initials: T
authors.lastname: Sewchuran
authors.forename: S
authors.initials: S
authors.lastname: Andronikou
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D017809:Fatal Outcome; D042882:Gallstones / Q000150:complications* / Q000000981:diagnostic imaging* / Q000601:surgery; D006801:Humans; D007415:Intestinal Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology* / Q000601:surgery; D008297:Male; D011860:Radiography, Abdominal; D014057:Tomography, X-Ray Computed