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  • Title: Posttransplantation lymphoproliferative disorder--the great mimic in liver transplantation: appraisal of the clinicopathologic spectrum and the role of Epstein-Barr virus.
    Author: Koch DG, Christiansen L, Lazarchick J, Stuart R, Willner IR, Reuben A.
    Journal: Liver Transpl; 2007 Jun; 13(6):904-12. PubMed ID: 17539010.
    Abstract:
    Case series describing posttransplantation lymphoproliferative disorder (PTLD) after liver transplantation (LTx) have been limited in number because of the rarity of the disorder. The prevalence of Epstein-Barr virus (EBV) infection and its detection, the clinical and histological diversity of disease, and survival have varied. The aim of this study is to define the clinical and pathological spectrum of PTLD after LTx, and evaluate EBV prevalence, impact of infection, and patient survival. A retrospective analysis of all LTx recipients at our institution diagnosed with PTLD from January 1990 until May 2005, recording clinical presentations, times of presentation after transplantation, histological findings, results of EBV assessment, and survival, as well as the interrelationship of these variables. Among 621 LTx recipients were 22 cases of PTLD in 21 patients, of whom 5 were children and 16 were adults. Extranodal disease was present in 17 of 22 cases (77%) involving a wide variety of organ systems, while 5/22 (23%) had lymphadenopathy. The spectrum of PTLD histopathology was equally varied. In situ hybridization for EBV showed negativity in 8 of 13 (62%) and positivity in 5 of 13 (38%) cases tested. Neither time interval from transplantation to presentation (median 33 months) nor mortality (average 32%) was influenced by EBV status. In conclusion, PTLD in LTx recipients is predominantly extranodal and can involve a wide variety of organ systems, which may confound initial diagnosis. The lymphoproliferative histological spectrum is also diverse. Nowadays, PTLD is frequently EBV-negative, and EBV status does not appear to influence clinical or pathological presentation, or survival.
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