A CADAVERIC STUDY COMPARING DISCOGRAPHY, MAGNETIC-RESONANCE-IMAGING, HISTOLOGY, AND MECHANICAL-BEHAVIOR OF THE HUMAN LUMBAR-DISK

被引:102
作者
GUNZBURG, R [1 ]
PARKINSON, R [1 ]
MOORE, R [1 ]
CANTRAINE, F [1 ]
HUTTON, W [1 ]
VERNONROBERTS, B [1 ]
FRASER, R [1 ]
机构
[1] FREE UNIV BRUSSELS,BRUGMANN HOSP,DEPT ORTHOPAED SURG & TRAUMA,B-1050 BRUSSELS,BELGIUM
关键词
LOW-BACK PAIN; DISCOGRAPHY; MAGNETIC RESONANCE IMAGING; HISTOLOGY; ANULAR RIM LESIONS; ANULAR TEARS; FLEXION-ROTATION MOVEMENTS;
D O I
10.1097/00007632-199204000-00007
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The aims of this study were 1) to compare discography and magnetic resonance imaging scanning on cadaver specimens and to correlate these imaging procedures by examining all the discs histologically; and 2) to study the extent to which the amplitude of rotational movement in the neutral and flexed position at a certain level correlates with the morphologic appearance of that disc. Twenty-four human lumbar spines were harvested from cadavers between the ages of 19 and 75 years. Each specimen underwent standard radiography, magnetic resonance imaging scanning, discography, histologic examination, and measurement of axial rotation in a torsion apparatus. For practical reasons, all specimens did not undergo all of the examinations. Not all peripheral anular lesions were detected by discography. Histology showed rim lesions of the anterior anulus in 18% of discs with normal discography. The overall incidence of anterior and posterior anular tears was greater in discs where larger amplitudes of rotation were observed. To which extent the one is a consequence of the other or vice versa is not clear. Magnetic resonance imaging was found to be less specific than discography. However, it must be emphasized that no axial magnetic resonance imaging scans were taken in this study. Discs with significantly decreased amounts of nuclear material (observed at histology) can still produce normal magnetic resonance imaging images. Infolding of the inner layers of the anulus fibrosus (33% anterior, 4% posterior) was a frequently observed feature.
引用
收藏
页码:417 / 426
页数:10
相关论文
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