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Abstract #3047

Feasibility of test-bolus dynamic contrast-enhanced MRI using CAIPIRINHA-VIBE for evaluation of pancreas malignancy.

Jimi Huh 1 , Kyung Won Kim 2 , Jisuk Park 3 , Jae Ho Byun 2 , In Seong Kim 4 , Berthold Kiefer 5 , and Moon-Gyu Lee 6

1 radiology, Seoul Asan Medical Center, Seoul, Seoul, Korea, 2 radiology, Seoul Asan Medical Center, Seoul, Korea, 3 radiology, Seoul Asan Medical Center, SEOUL, Korea, 4 Siemens Healthcare, Seoul, Korea, 5 Siemens Healthcare, Erlangen, Germany, 6 Seoul Asan Medical Center, Seoul, Korea

Test-bolus DCE-MRI with CAIPIRINHA-VIBE using 2 cc of contrast agent is feasible for perfusion analysis of pancreas tumor with high spatial resolution (1x1 mm) and temporal resolution (3 sec). Indeed, in our series, there was significant difference in perfusion parameters between neuroendocrine tumors and pancreas ductal adenocarcinomas on test-bolus DCE-MRI. The timing accuracy of test-bolus DCE-MRI was excellent to estimate proper timing of arterial-phase images in 88.9% and portal-venous-phase images in 100% of patients. Therefore, incorporating the test-bolus DCE-MRI into the routine dynamic MRI can provide tumor vascularity information and estimation of proper scan timing of routine dynamic MRI.

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