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
radiology, Seoul Asan Medical Center, Seoul,
Seoul Asan Medical Center, Seoul, Korea,
Seoul Asan Medical Center, SEOUL, Korea,
Healthcare, Seoul, Korea,
Healthcare, Erlangen, Germany,
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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