PMID: 18187898Jan 12, 2008Paper

Basic and clinical studies of visualizing right inferior phrenic artery by multi detector row-CT

Nihon Hoshasen Gijutsu Gakkai zasshi
Yusuke OkumuraShiro Takahashi

Abstract

To perform transcatheter arterial embolization (TAE) successfully, it is important to obtain information about parasitic arterial supply to the hepatocellular carcinoma (HCC). Among these extrahepatic collateral vessels, the right inferior phrenic artery (RIPA) is the most frequent and important extrahepatic collateral artery supplying the HCC. In the present study, we obtained multi-planar reformation (MPR) images of RIPA using multi detector row computed tomography (MDCT), assessed the ability of MDCT to demonstrate the origin of RIPA, and then analyzed the morphology of the origin. In a basic study using an original phantom simulating vessel origin, the origin was poorly visualized depending on the phantom diameter and angle of the origin to the scanned section. A clinical study was performed in 28 patients with HCC who underwent both MDCT and angiography within a short period. In 19 of 28 patients, RIPA originated at the celiac artery. In 3 patients, RIPA originated at the right renal artery, and in 6, directly at the abdominal aorta. The origin of RIPA was categorized into four patterns according to the inclination of the origin on transverse sections of MDCT. RIPA that originated at the right renal artery and showed an up...Continue Reading

References

Jun 10, 2003·Journal of Computer Assisted Tomography·Yuriko OkinoHiromu Mori
Aug 23, 2003·Clinical Imaging·Akio Hiwatashi, Kisaku Yoshida
Apr 26, 2005·World Journal of Gastroenterology : WJG·Yong-Li WangHai-Lun Fan
Oct 18, 2005·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Hyo-Cheol KimJae Hyung Park
Dec 6, 2005·Cardiovascular and Interventional Radiology·Shiro MiyayamaTakeshi Mitsui

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