MAGNETIC-RESONANCE-IMAGING IN KIENBOCKS DISEASE

被引：29

作者：

IMAEDA, T

NAKAMURA, R

MIURA, T

MAKINO, N

机构：

[1] Department of Orthopaedic Surgery, Division of Hand Surgery, Nagoya University School of Medicine

来源：

JOURNAL OF HAND SURGERY-BRITISH AND EUROPEAN VOLUME | 1992年 / 17B卷 / 01期

关键词：

D O I：

10.1016/0266-7681(92)90006-N

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：

With a 1.5 tesla superconducting M.R. imager and surface coil, M.R. imaging achieved high resolution analysis of the wrist on five normal wrists and 26 wrists with Kienbock's disease. The purpose of this study was to establish new criteria for diagnosis, staging and prognosis of Kienbock's disease, based on signal characteristics on T1- and T2-weighted images. Focal loss of signal intensity of the lunate on T1-weighted image was an indication of Kienbock's disease. A decreased signal containing a high spot and increased signal intensity of the lunate on T2-weighted images indicated a better prognosis. After osteotomy of the radius, the signal intensity of the lunate returned to normal and Lichtman's stage II cases had better results than those in stage III. M.R. imaging is ideal for evaluating the lunate in Kienbock's disease.

引用

页码：12 / 19

页数：8

共 14 条

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