title: A "doughnut" in the abdomen.
authors.affiliation: Department of Diagnostic Radiology, Singapore General Hospital, 1 Outram Road, Singapore, 169608, Singapore. assimta@gmail.com.
authors.forename: Cynthia Assimta
authors.initials: CA
authors.lastname: Peter
authors.affiliation: Department of Diagnostic Radiology, Khoo Teck Puat Hospital, 90 Yishun Central, Singapore, 768828, Singapore.
authors.forename: Dinesh
authors.initials: D
authors.lastname: Singh
mesh_terms: D003287:Contrast Media; D003937:Diagnosis, Differential; D006801:Humans; D007443:Intussusception / Q000000981:diagnostic imaging* / Q000209:etiology / Q000628:therapy; D014057:Tomography, X-Ray Computed
chemical_list: D003287:Contrast Media