title: Aortic valve prolapse and insufficiency due to elongation of a fibrous strand.
authors.forename: Yuki
authors.initials: Y
authors.lastname: Okamoto
authors.forename: Masahiko
authors.initials: M
authors.lastname: Matsumoto
mesh_terms: D000368:Aged; D001022:Aortic Valve Insufficiency / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D001023:Aortic Valve Prolapse / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D015150:Echocardiography, Doppler; D006801:Humans; D008297:Male