title: The coiled spring.
abstract: Radiological terminology includes a number of interesting and often amusing terms intended to help us understand and remember the pathological abnormality being described. What radiological sign is illustrated in Fig. 1 and what condition does it represent?
authors.affiliation: Children's Hospital, Birmingham.
authors.forename: S
authors.initials: S
authors.lastname: Chapman
mesh_terms: D006801:Humans; D007410:Intestinal Diseases / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D007443:Intussusception / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D011859:Radiography; D009626:Terminology as Topic