title: Development of a perirenal hematoma after hula-hooping.
abstract: The development of a perirenal hematoma is rare and primarily the result of trauma, malignancy, or a connective tissue disease. Infrequently, a continuous or even mild trauma can cause a perirenal hematoma. Here, we report a case involving the development of a perirenal hematoma after excessive hula-hooping in the absence of a major trauma history.
authors.affiliation: Department of Internal Medicine, Sungkyunkwan University School of Medicine, Kangbuk Samsung Hospital, 108 Pyung-dong, Jongro-gu, Seoul, Korea.
authors.forename: Sung Keun
authors.initials: SK
authors.lastname: Park
authors.forename: Hyang
authors.initials: H
authors.lastname: Kim
authors.forename: Hyun Young
authors.initials: HY
authors.lastname: Lhee
authors.forename: Kyu Beck
authors.initials: KB
authors.lastname: Lee
mesh_terms: D000328:Adult; D015444:Exercise; D005260:Female; D006406:Hematoma / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D007674:Kidney Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D014463:Ultrasonography