Multicentric papillary renal carcinoma in renal allograft

TitleMulticentric papillary renal carcinoma in renal allograft
Publication TypeJournal Article
Year of Publication2003
AuthorsDeLong MJ, Schmitt D, Scott KM, Ramakumar S, Lien YH
JournalAm J Kidney Dis
Pagination381 - 4
Date PublishedAug
ISSN1523-6838 (Electronic) 0272-6386 (Linking)
Accession Number12900823
Keywords*Kidney Transplantation, Adenocarcinoma, Clear Cell / etiology / *pathology / surgery, Adult, Carcinoma, Papillary / etiology / *pathology / surgery, Carcinoma, Renal Cell / etiology / *pathology / surgery, Cell Transformation, Neoplastic, Disease Susceptibility, Humans, Immunosuppression / adverse effects, Incidental Findings, Kidney Neoplasms / etiology / *pathology / surgery, Male, Middle Aged, Neoplasms, Multiple Primary / etiology / *pathology / surgery, Nephrectomy, Polycystic Kidney, Autosomal Dominant / surgery, Postoperative Complications / *pathology, Tissue Donors, Transplants / *adverse effects

A renal transplant recipient with 13 years of excellent allograft function was found incidentally to have a malignant mass in his transplanted kidney. After resection, pathological analysis showed 29 separate lesions of renal cell carcinoma. All tumors were confined within the renal capsule. The majority of tumors (21 of 29 tumors) were chromophil basophilic carcinoma with papillary architecture, 5 tumors were clear cell, 2 tumors were mixed cell type, and 1 tumor was chromophil eosinophilic papillary carcinoma. These histological findings are similar to those reported in hereditary papillary renal carcinoma. To our knowledge, this is the first case of multicentric papillary renal carcinoma occurring in the renal allograft. We speculate that the allograft in this case is predisposed to malignant changes because of preexisting genetic mutations, as well as prolonged immunosuppression.

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