title: Pulmonary artery stenosis due to external compression by a calcified pericardial band.
abstract: A 60-year-old male with exertional dyspnea was referred to our hospital. Right pulmonary artery stenosis due to external compression by a calcified band was diagnosed by echocardiography, computed tomography, and magnetic resonance imaging. Percutaneous transluminal angioplasty was conducted in vain due to vascular recoil and failure of stent delivery. Pulmonary bypass grafting was performed successfully. The surgery indicated a probable etiology of chronic pericarditis. This is an extremely rare case of adult pulmonary artery stenosis without a known history of congenital disease, constrictive pericarditis, tuberculosis, or surgery.
authors.affiliation: Departments of Cardiology, Akashi Medical Center, Akashi, Japan.
authors.forename: Masahito
authors.initials: M
authors.lastname: Kawata
authors.forename: Toshiya
authors.initials: T
authors.lastname: Kataoka
authors.forename: Emi
authors.initials: E
authors.lastname: Kuramoto
authors.forename: Kazumasa
authors.initials: K
authors.lastname: Adachi
authors.forename: Akira
authors.initials: A
authors.lastname: Matsuura
authors.forename: Susumu
authors.initials: S
authors.lastname: Sakamoto
authors.forename: Satoshi
authors.initials: S
authors.lastname: Tobe
authors.forename: Shigeru
authors.initials: S
authors.lastname: Yamaji
mesh_terms: D000800:Angioplasty, Balloon; D002114:Calcinosis / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D010494:Pericarditis, Constrictive / Q000150:complications* / Q000175:diagnosis; D011666:Pulmonary Valve Stenosis / Q000209:etiology* / Q000601:surgery; D015607:Stents; D019616:Thoracic Surgical Procedures; D014057:Tomography, X-Ray Computed