微创医学

目的探讨超声在寻找梨状肌综合征病因中的应用价值。方法对40例梨状肌综合征患者,应用超声对梨状肌、梨状肌下孔及坐骨神经进行形态学上的检查,观察坐骨神经走行及其分支是否正常,测量梨状肌、梨状肌下孔及坐骨神经厚度,研究三组测值之间的相关性,并与对侧超声检查结果进行对比研究。结果梨状肌综合征患者患侧梨状肌形态学发生改变,患侧梨状肌厚度明显大于对侧(P<0.05),梨状肌下孔厚度较对侧明显缩小(P<0.05),坐骨神经较健侧明显变窄(P<0.05),患侧三组测值存在明显负相关(r均>0.65,P<0.05);两例患者患侧坐骨神经走行异常。结论超声能够清楚地显示梨状肌及其周边组织,为梨状肌综合征的诊断及排除病因提供简便、有效的检查手段。

Objective To study the value of ultrasound in etiologic diagnosis of piriformis syndrome. Methods 40 cases of piriformis syndrome underwent ultrasound examination. The morphology of piriformis, piriformis lower hole and sciatic nerve of both the affected and normal side were studied,and the thickness of them were also measured. The results of the two sides were compared,and the relativity of the three data was analyzed. Results In those of the piriformis syndrome,the morphology of the piriformis was greatly changed. The thickness of the affected side was larger than that of the normal side(P < 0. 05),and the size of the piriformis lower hole was significantly smaller in the affected side(P <0. 05),and the thickness of the sciatic nerve was larger in the normal side(P <0. 05). There was a negative correlation between the thickness of the piriformis,piriformis lower hole and sciatic nerve. Conclusions Ultrasound can clearly display the piriformis and the surrounding tissue. It was useful for etiologic diagnosis of piriformis syndrome.

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