3-DIMENSIONAL BLACK BLOOD MR-ANGIOGRAPHY OF THE LIVER DURING BREATH-HOLDING - A COMPARISON WITH 2-DIMENSIONAL TIME-OF-FLIGHT MR-ANGIOGRAPHY

被引：0

作者：

SUTO, Y ^{[1
]}

OHUCHI, Y ^{[1
]}

KIMURA, T ^{[1
]}

SHIRAKAWA, T ^{[1
]}

MIZUUCHI, N ^{[1
]}

TAKIZAWA, O ^{[1
]}

YAMANE, T ^{[1
]}

KAMBA, M ^{[1
]}

MORIYAMA, S ^{[1
]}

OHTA, Y ^{[1
]}

机构：

[1] SIEMENS ASAHI MED TECHNOL LTD,TOKYO,JAPAN

来源：

ACTA RADIOLOGICA | 1994年 / 35卷 / 02期

关键词：

MR; VASCULAR STUDIES; COMPARATIVE STUDIES; 3-DIMENSIONAL; LIVER; PORTAL VEIN;

D O I：

暂无

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

In 2-D time-of-flight MR angiography (2-D TOF MRA) of the liver, artifacts caused by respiratory motion are unavoidable. Therefore, a 3-D black blood MRA of the liver was attempted in 7 healthy volunteers, using a 3-D gradient echo sequence which allows imaging during breath holding. 2-D TOF MRA was performed as well. In all subjects, 3-D MRA allowed visualization of the trunk, 1st-, and 2nd-order branches of the portal vein without interruption. Right 3rd-order branches were visualized without interruption in 6 of 7 subjects (85%). However, with 2-D MRA, the transverse portion of the left main portal vein could not be visualized in any subject, and the periphery of the portal vein was less clear than with 3-D MRA.

引用

页码：131 / 134

页数：4

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