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Early detection of post-transplant pancreatic graft dysfunction with technetium-99m-HMPAO scintigraphy
L G van der Hem1, C J van der Linden, C H Ticheler
1Department of Surgery, University Hospital St. Radboud, Nijmegen, The Netherlands.
Abstract:
We present two cases of compromised pancreatic graft perfusion on a routine 99mTc-HMPAO-scan. The radiopharmaceutical, hexamethylpropyleneamine oxime (HMPAO), labeled with 99mTc-provided high-quality scintigraphic images of transplanted pancreatic grafts. Findings were compared with subsequently performed x-ray digital subtraction angiographs. Pathological examination of both resected grafts revealed venous thrombosis in one case and graft pancreatitis in the other case of disturbed graft perfusion on a 99mTc-HMPAO-scan. While 99mTc-HMPAO scans of pancreatic grafts are not specific for early thrombosis, they seem to be a helpful tool in diagnosing pancreatic dysfunction in general, necessitating further diagnostic steps to elucidate the specific cause.