MEASUREMENT OF VERTEBRAL FORAMINAL DIMENSIONS USING 3-DIMENSIONAL COMPUTERIZED-TOMOGRAPHY

被引：19

作者：

SMITH, GA ^{[1
]}

ASPDEN, RM ^{[1
]}

PORTER, RW ^{[1
]}

机构：

[1] UNIV ABERDEEN,DEPT ORTHOPAED SURG,UNIV MED BLDG,ABERDEEN AB9 2ZD,SCOTLAND

来源：

SPINE | 1993年 / 18卷 / 05期

关键词：

Computerized tomography; Entrapment; Foraminal size; Intervertebral foramen; Nerve root;

D O I：

10.1097/00007632-199304000-00016

中图分类号：

R74 [神经病学与精神病学];

学科分类号：

摘要：

The dimensions of lumbar intervertebral foramina were measured in cadaveric spines using three-dimensional computerized tomography. Six different image reconstruction protocols were used. The results were compared with measurements of the same foramina using calipers after dissection. All the three-dimensional computerized tomographic measurements underestimated the true foraminal dimensions. The best agreement, as well as the best images, were obtained using 4/3 slices and a reconstruction threshold of 300 Hounsfield Units. This method is not recommended for measurement of foraminal dimensions. However, there may be a use in assessment and planning surgical management.

引用

页码：629 / 636

页数：8

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