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Mod Pathol. 2000 Nov;13(11):1180-5.

Microsatellite analysis in post-transplantation lymphoproliferative disorder to determine donor/recipient origin.

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  • 1Department of Pathology, University of Hong Kong, Queen Mary Hospital, Pokfulam. iolng@hkusua.hku.hk


Post-transplantation lymphoproliferative disorders (PTLD) are a group of heterogeneous diseases that occur after organ transplantation. Determination of the origin of the tumor cells not only provides clues to its possible pathogenetic mechanism, but also gives prognostic guidance in the clinical management of patients. We reviewed the clinicopathological features of four cases of PTLD that developed after solid organ transplantation. Using microsatellite analysis performed on paraffin-embedded tissue and using multiple, highly polymorphic markers, we have successfully determined the recipient/donor origin of the tumor cells in all of them. The time of onset of the PTLD ranged from 5 to 11 mo. All cases were diffuse large cell lymphomas of B-cell lineage, and the two cases that have been tested for EBV by in situ hybridization were positive. Three of the 4 PTLD were of donor origin and these three patients died of diseases unrelated to PTLD. The single patient with PTLD of recipient origin died of disseminated PTLD. The mean survival length of the three patients with donor origin was 26.3 mo, whereas that of the patient with recipient origin was 12 mo. Our results indicate a relatively high incidence of PTLD of donor origin among our patients with solid organ transplantation, as compared to other reported series. Moreover, the finding of the relatively indolent nature of PTLD of donor origin supports that determination of the donor/recipient origin of PTLD is of prognostic significance.

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