整形外科と災害外科
Online ISSN : 1349-4333
Print ISSN : 0037-1033
ISSN-L : 0037-1033
上・下肢筋のCTによる定量的解析の試み
脊椎・脊髄疾患への応用
仲宗根 栄作高良 宏明仲宗根 朝洋上里 智美友利 昭夫茨木 邦夫
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1986 年 34 巻 3 号 p. 824-828

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Twenty-nine patients with spinal disorders were examined in order to try to estimate the muscle atrophy of the upper and lower extremities by computed tomography. The main levels of cross-sectional images for measurement were the mid-points of the upper arms and thighs.
The results were as follows:
1. A basic study using canine muscle revealed that the optimum window level was 50-100 and window width was 400-500, respectively.
2. Each muscle of the upper arm and thigh can readily be identified, but that of the forearm and the leg can hardly be defined under computed tomography.
In conclusion, the mesurements of the muscle atrophy using the computed tomography were available for quantitaive analysis in some spinal disorders.

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