title: Hematocolpometra due to an imperforate hymen presenting with back pain: sonographic diagnosis.
authors.affiliation: Venizeleion General Hospital, Knossou Avenue, Heraklion, Crete 71107, Greece. drakonaki@yahoo.gr
authors.forename: Eleni E
authors.initials: EE
authors.lastname: Drakonaki
authors.forename: Ioanna
authors.initials: I
authors.lastname: Tritou
authors.forename: George
authors.initials: G
authors.lastname: Pitsoulis
authors.forename: Konstantinos
authors.initials: K
authors.lastname: Psaras
authors.forename: Evaggelia
authors.initials: E
authors.lastname: Sfakianaki
mesh_terms: D001416:Back Pain / Q000175:diagnosis* / Q000209:etiology*; D002648:Child; D005260:Female; D006399:Hematocolpos / Q000150:complications* / Q000000981:diagnostic imaging*; D006801:Humans; D006924:Hymen / Q000002:abnormalities*; D008599:Menstruation Disturbances / Q000000981:diagnostic imaging* / Q000209:etiology*; D014463:Ultrasonography / Q000379:methods*