Asymptomatic Pulmonary Allograft Kaposi Sarcoma: A Case Report

Experimental and Clinical Transplantation : Official Journal of the Middle East Society for Organ Transplantation
Nazarena NanniniFiorella Calabrese

Abstract

Solid-organ transplant recipients are at high risk of developing malignancies. A greater risk of Kaposi sarcoma has been reported in lung recipients in our country, particularly in those from Southern Italy, probably due to the high prevalence of Human herpes virus 8 infection. Kaposi sarcoma affecting only the lung allograft is extremely rare. We describe a case of a lung recipient who developed Kaposi sarcoma only in the graft, 22 months after transplant. The patient, a 65-year-old man from Southern Italy, underwent bilateral lung transplant for idiopathic pulmonary fibrosis in January 2009. He developed mild/moderate acute cellular rejection (≥A2) in 4 of 6 scheduled transbronchial biopsies thus was treated with increased immunosuppressive therapy, shifting from cyclosporine to tacrolimus and mycophenolate mofetil. In July 2010, a high-resolution computed tomography scan showed small bilateral lung nodules, despite a generally good condition. After 2 months, his condition worsened with a severe weight loss. A positron emission tomography scan showed mild metabolic activity in the lesions with no other localizations. In October 2010, a lung biopsy was performed, with results showing typical histologic and immunohistochemical ...Continue Reading

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