PSEUDOCOARCTATION OF THE AORTA - PITFALL ON CINE MR IMAGING

被引：7

作者：

MIROWITZ, SA ^{[1
]}

LEE, JKT ^{[1
]}

GUTIERREZ, FR ^{[1
]}

BROWN, JJ ^{[1
]}

EILENBERG, SS ^{[1
]}

机构：

[1] WASHINGTON UNIV,SCH MED,EDWARD MALLINCKRODT INST RADIOL,510 S KINGSHIGHWAY ST,ST LOUIS,MO 63110

来源：

JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY | 1990年 / 14卷 / 05期

关键词：

Abnormalities; Anomalies; Aorta; Arteries; Congenital; Magnetic resonance imaging;

D O I：

10.1097/00004728-199009000-00013

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：

The diagnosis of coarctation of the aorta on cine magnetic resonance imaging is based upon observation of localized narrowing in the region of the aortic isthmus with jet-like signal void areas extending distally. We observed similar findings in 8 of 20 (40%) normal volunteers examined in the sagittal oblique view. These artifactual findings relate primarily to out-of-plane motion of the thoracic aorta during a portion of the cardiac cycle, leading to partial volume averaging with pulmonary air. Awareness of this pitfall will prevent misdiagnosis of aortic coarctation in normal subjects and allow for more accurate assessment of severity of true coarctation. © 1988 Raven Press, Ltd., New York.

引用

页码：753 / 755

页数：3

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