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Updated: Jan 8, 2026

Non-invasive Imaging of Acute Allograft Rejection after Rat Renal Transplantation Using 18F-FDG PET
Published on: April 28, 2013
A Rare Case of Bilateral Papillary Renal Neoplasm With Reverse Polarity on 18 F-FDG PET/CT in Native Kidneys of a
Yahya Eryilmaz1, Begum Gunes2, Kemal Kosemehmetoglu2
1Departments of Nuclear Medicine.
Abstract:
Papillary renal neoplasm with reverse polarity (PRNRP) is a rare, low-grade renal tumor characterized by distinct histologic and molecular features. Bilateral involvement of native kidneys by PRNRP in renal transplant recipients is exceedingly rare, and its metabolic presentation on 18 F-FDG PET/CT has not been extensively documented in the literature. We present a unique case of bilateral native kidney PRNRP in a renal transplant recipient, which was incidentally detected on 18 F-FDG PET/CT and subsequently confirmed through histopathologic diagnosis after bilateral radical nephrectomy.
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