title: Perigraft seroma: long-term complications.
abstract: A 5 1/2-year-old child is described in whom a perigraft seroma complicating a polytetrafluoroethylene tubular graft was managed conservatively for 4 years without disruption of the function of the graft or progressive distortion of the pulmonary arteries.
mesh_terms: D001807:Blood Vessel Prosthesis / Q000009:adverse effects*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D005260:Female; D005549:Foreign-Body Reaction / Q000175:diagnosis / Q000209:etiology*; D006330:Heart Defects, Congenital / Q000601:surgery*; D006406:Hematoma / Q000175:diagnosis; D006801:Humans; D011138:Polytetrafluoroethylene / Q000009:adverse effects
chemical_list: D011138:Polytetrafluoroethylene