LUMBAR SPINAL NERVES IN THE NEURAL FORAMEN - MR APPEARANCE

被引:20
作者
KOSTELIC, JK
HAUGHTON, VM
SETHER, LA
机构
[1] FROEDTERT MEM LUTHERAN HOSP,DEPT RADIOL,9200 W WISCONSIN AVE,MILWAUKEE,WI 53226
[2] FROEDTERT MEM LUTHERAN HOSP,DEPT ANAT,MILWAUKEE,WI 53226
[3] FROEDTERT MEM LUTHERAN HOSP,MED COLL WISCONSIN,MILWAUKEE,WI 53226
关键词
NERVES; MR STUDIES; SPINAL;
D O I
10.1148/radiology.178.3.1994428
中图分类号
R8 [特种医学]; R445 [影像诊断学];
学科分类号
1002 [临床医学]; 100207 [影像医学与核医学]; 1009 [特种医学];
摘要
The appearance of the proximal lumbar spinal nerves at magnetic resonance (MR) imaging has not, to the authors' knowledge, been described. MR images and exactly corresponding sections obtained from four cadavers by means of a freezing microtome were correlated to characterize the MR appearance of the proximal spinal nerves. The junction of the dorsal and ventral rami with the dorsal and ventral roots consists of a group of six to 15 fascicles measuring 2-6 mm in length. These fascicles appear in MR images obtained with short repetition times as small foci of lower signal intensity than that of surrounding fat. The proximal spinal nerve and its relationship to the intervertebral disk and osseous margins of the neural foramen can be demonstrated effectively with MR imaging.
引用
收藏
页码:837 / 839
页数:3
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