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目的为杓状软骨相关手术的术中定位提供解剖数据。方法观测30例60侧正常成人喉标本杓状软骨声带突和肌突形态及其与甲状软骨板的位置关系。结果 (1)测量了顶底间距等10项杓状软骨形态指标,除了甲杓肌附着深度外,其余指标具有性别差异(P<0.05)(;2)肌突距甲状软骨下角下端距离:男(13.05±1.92)mm,女(11.76±1.79)mm;距甲状软骨板后缘间距:男(8.11±1.17)mm,女(6.95±1.26)mm;距甲状软骨板内膜间距:男(3.71±1.31)mm,女(3.65±1.23)mm。(3)杓状软骨肌突投影点位于甲状软骨板斜线后下区域,该投影点距甲状软骨下缘距离:男(7.12±1.43)mm,女(5.92±1.26)mm;距后缘距离:男(7.27±1.52)mm,女(5.81±1.47)mm。结论杓状软骨相关手术可根据甲状软骨后缘、下缘、环甲关节下缘来定位肌突。肌突距甲状软骨板内面最近,若从甲状软骨板斜线后区开窗寻找肌突可以缩短手术进路距离。
Objective To provide anatomical data for intraoperative positioning of arytenoid cartilage related surgery. Methods 30 cases of 60 cases of normal adult laryngeal pharyngeal specimens of the arytenoid process and the shape of the muscle and thyroid cartilage plate position relationship. Results (1) Ten indexes of arytenoid cartilage, such as the distance between top and bottom, were measured. There was a gender difference (P <0.05) except for the attachment depth of the muscle (13.05 ± 1.92) mm and female (11.76 ± 1.79) mm, respectively. The distance from the posterior edge of thyroid cartilage was (8.11 ± 1.17) mm and 6.95 ± 1.26 mm ± 1.31) mm, female (3.65 ± 1.23) mm. (3) The projection of the arytenoid cartilage was located in the posterior oblique area of the thyroid cartilage. The projection distance from the inferior edge of thyroid cartilage was 7.12 ± 1.43 mm and 5.92 ± 1.26 mm, respectively. : Male (7.27 ± 1.52) mm, female (5.81 ± 1.47) mm. CONCLUSIONS: Articular processes can be located according to the trailing edge, inferior margin and inferior circumflex of thyroid cartilage in the correlater of arytenoid cartilage. Muscle protrusion from the inside of the thyroid cartilage plate recently, if from the thyroid cartilage slash rear window to find muscle myopathy can shorten the surgical approach distance.