MORPHOMETRY OF THE LUMBAR SPINE - ANATOMICAL PERSPECTIVES RELATED TO TRANSPEDICULAR FIXATION

被引:82
作者
OLSEWSKI, JM [1 ]
SIMMONS, EH [1 ]
KALLEN, FC [1 ]
MENDEL, FC [1 ]
SEVERIN, CM [1 ]
BERENS, DL [1 ]
机构
[1] STATE UNIV NEW YORK, DEPT ANAT SCI, BUFFALO, NY 14203 USA
关键词
D O I
10.2106/00004623-199072040-00011
中图分类号
R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学(修复外科学)];
学科分类号
摘要
The pedicles of lumbar vertebrae were measured both directly and radiographically to determine the differences between the sexes and the accuracy of radiographic measurement. The lumbar pedicles of cadavera of forty-nine patients - twenty-four men and twenty-five women - who died between the ages of sixty and ninety-eight years were measured directly and on radiographs. The pedicles of lumbar vertebrae from fifty-one patients - twenty-three men and twenty-eight women - between the ages of twenty and fifty years who had low-back problems were measured on radiographs and computerized tomographic scans. Comparison revealed that the average transverse and sagittal diameters of the pedicles and the distance from the posterior aspect of the laminar cortex to the anterior aspect of the cortex of the vertebral body along the central axis of the pedicles were 5 to 20 per cent greater in men, but the transverse and sagittal angles of the pedicle did not differ significantly between the sexes. Measurements on radiographs and computerized tomographic scans of the transverse angles of the pedicles and of the distances from the posterior aspect of the laminar cortex to the anterior aspect of the cortex of the vertebral body from the second to the fifth lumbar vertebra were greater than direct measurements, even without magnification. Direct measurements of the diameters of the transverse and sagittal diameters of the pedicle of the fifth lumbar vertebra, however, were greater than the radiographic measurements.
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页码:541 / 549
页数:9
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