Gateno J, Miloro M, Hendler B H, Horrow M
Department of Oral and Maxillofacial Surgery, University of Pennsylvania, Philadelphia.
J Oral Maxillofac Surg. 1993 Oct;51(10):1081-6; discussion 1086-7. doi: 10.1016/s0278-2391(10)80444-6.
A randomized, single blind study of 20 patients examined the accuracy of ultrasound in establishing the position of the mandibular condyle in relation to the glenoid fossa. The sonographic technique is described. The temporomandibular joint was imaged sonographically with the patients in an open- and a closed-mouth position as a model for condylar sag and proper condylar seating, respectively, during mandibular ramus osteotomy procedures. One radiologist identified condylar position correctly in 38 of 40 still ultrasound images, with a sensitivity and a specificity of 95%. During real time ultrasound examination, it is possible to visualize varying degrees of condylar movement in relation to the glenoid fossa. The results of this study support the potential use of ultrasound as an adjunct to mandibular orthognathic surgery.
一项针对20名患者的随机单盲研究，检验了超声在确定下颌髁突相对于关节窝位置时的准确性。文中描述了超声检查技术。在下颌升支截骨手术过程中，分别以患者张口和闭口位时的颞下颌关节超声成像作为髁突下垂和髁突正确就位的模型。一名放射科医生在40张静态超声图像中正确识别出髁突位置38次，灵敏度和特异度均为95%。在实时超声检查过程中，可以观察到髁突相对于关节窝的不同程度运动。本研究结果支持超声作为下颌正颌手术辅助手段的潜在用途。
