title: Slowly developing perigraft seroma after a modified Blalock-Taussig shunt.
abstract: We report a 26-year-old patient with slowly developing perigraft seroma 15 years after a modified Blalock-Taussig shunt with an expanded polytetrafluorethylene graft. The mediastinal mass was first observed on a chest x-ray film 8 years after the shunt operation. The mass contained massive gelatinous or organic tissues with a severely calcified pseudocapsule, and it was adjacent to the calcified but functioning graft. No fluid collections were noted. The histological findings were compatible with a seroma. No recurrence was noted on last follow-up 1 year postoperatively.
authors.affiliation: Department of Cardiovascular Surgery, Tenri Hospital, 200 Mishima, Tenri, Nara 632-8552, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Matsuyama
authors.forename: M
authors.initials: M
authors.lastname: Matsumoto
authors.forename: T
authors.initials: T
authors.lastname: Sugita
authors.forename: T
authors.initials: T
authors.lastname: Matsuo
mesh_terms: D000328:Adult; D001166:Arteriovenous Shunt, Surgical / Q000009:adverse effects* / Q000379:methods; D001807:Blood Vessel Prosthesis / Q000009:adverse effects*; D002675:Child, Preschool; D005122:Exudates and Transudates; D005500:Follow-Up Studies; D006084:Graft Rejection; D006801:Humans; D008297:Male; D008477:Mediastinal Diseases / Q000175:diagnosis* / Q000209:etiology / Q000601:surgery*; D011138:Polytetrafluoroethylene / Q000009:adverse effects*; D013902:Radiography, Thoracic; D012086:Reoperation; D018570:Risk Assessment; D013771:Tetralogy of Fallot / Q000175:diagnosis / Q000601:surgery; D013908:Thoracotomy / Q000379:methods; D013997:Time Factors; D014057:Tomography, X-Ray Computed; D016896:Treatment Outcome
chemical_list: D011138:Polytetrafluoroethylene