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Portal Venous System: Evaluation with Unenhanced MR Angiography with a Single-Breath-Hold ECG-Synchronized 3D Half-Fourier Fast Spin-Echo Sequence

¹ Department of Radiology, Yamaguchi University School of Medicine, Yamaguchi, Japan.
² Present address: Department of Diagnostic Radiology, Kawasaki Medical School, 577 Matsushima, Kurashiki, Okayama 701-0192, Japan.
³ Toshiba Medical Engineering Center, Tochigi, Japan.

OBJECTIVE. Eighteen healthy persons underwent unenhanced MR angiography with a breath-hold ECG-synchronized 3D half-Fourier fast spin-echo technique to evaluate the visibility of the portal vein and its branches.

CONCLUSION. Our results indicated that unenhanced MR angiography with a singlebreath-hold ECG-synchronized 3D half-Fourier fast spin-echo sequence facilitates precise visualization of the anatomic features of the portal vein and its branches without the use of contrast agents.

Keywords: MR angiography • portal vein • portography • venography

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