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Pediatr Transplant. 2012 Jun;16(4):E110-4. doi: 10.1111/j.1399-3046.2010.01463.x. Epub 2011 Jan 31.

Donor transmission of pineoblastoma in a two-yr-old male recipient of a multivisceral transplant: a case report.

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1
Department of Pathology, Georgetown University Hospital, Washington, DC 20007, USA. po.zhao@gunet.georgetown.edu

Abstract

Transplant-transmitted malignances are rare but devastating events. Primary brain tumors are the least common among reported donor-derived malignancies. We report a case of donor-transmitted pineoblastoma, a PNET, in a two-yr-old male recipient, who presented with a rapidly growing mass in the right mandible, four months after multiple visceral organ transplantation. The recipient had liver, pancreas, and small bowel transplants because of end-stage liver failure and short gut syndrome, which was secondary to large bowel resection for management of gastroschisis complicated by intestinal volvulus. The donor autopsy results became available seven wk after transplantation, which found a pineoblastoma with meningeal spread. Evaluation of eyes, adrenal glands, bone marrow, and other organs did not identify metastasis outside the CNS. A biopsy of the recipient's right mandibular mass revealed a malignant small round blue cell tumor with the immunohistochemistry profile of a PNET. Staging evaluation revealed the tumor in the right mandible with bone marrow involvement. Further investigation showed that recipient's tumor and donor's pineoblastoma shared the same immunophenotype and HLA type, suggesting the recipient's tumor is a donor-transmitted pineoblastoma. This is the first case report of donor-transmitted pineoblastoma post-organ transplant.

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