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Updated: Mar 29, 2026

Non-invasive Imaging of Acute Allograft Rejection after Rat Renal Transplantation Using 18F-FDG PET
Published on: April 28, 2013
Is Duplex-Ultrasound a useful tool in defining rejection episodes in composite tissue allograft transplants?
Alexander Loizides1, Irmgard-Elisabeth Kronberger2, Michaela Plaikner3
1Department of Radiology, Innsbruck Medical University, Innsbruck, Austria. alexander.loizides@i-med.ac.at.
Abstract:
Immunologic reactions in transplanted organs are in more or less all allograft patients detectable: clear parameters exist as e.g. in renal transplants where the clearance power reduces by rejection. On the contrary, in composite tissue allografts clear and objective indicators stating a rejection episode lack. We present the case of a hand-transplanted subject with signs of acute transplant rejection diagnosed by means of Duplex Ultrasound and confirmed by biopsy.
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