论文部分内容阅读
目的探讨环甲关节不对称性形成的原因。方法 38具福尔马林常规固定尸体(中国男性15例,女性5例;新西兰男性11例,女性7例。年龄范围57～95岁,平均年龄为74岁),采用大体解剖方法进行喉部取材后,去除环甲关节周围软组织,定义环状软骨板正中矢状面和甲状软骨板后缘及下角的长轴之间的角度为环甲角,利用ImageJ软件(NIH,USA)测量,并对喉标本左右侧、不同性别、不同人群的环甲角值差异进行统计学分析;取3例喉标本,利用Micro-CT和三维重建软件实现环甲关节的三维构建;之后将该3例标本脱钙、脱水、石蜡包埋后进行HE和Van-Gieson(VG)染色。结果双侧环甲关节的关节面形态存在不对称性;关节腔(环甲关节)亦存在不对称性,并且这一特性与环甲角紧密相关。所有个体喉双侧环甲角均不同。结论环甲角的不同可能导致了双侧环甲关节关节面的接触面积的不同,最终体现为环甲关节关节面及关节腔的不对称性。可以在活体的喉影像中观察和测量环甲角。
Objective To investigate the causes of the formation of asymmetry in the circumflex joint. Methods 38 routinely fixed corpses with formalin (15 males in China, 5 females, 11 males in New Zealand and 7 females with a range of 57-95 years of age and a mean age of 74 years) were treated with gross anatomy of the throat After the extraction, the soft tissues around the circumflex joint were removed, and the angle between the median sagittal plane of the annular cartilage plate and the long axis of the lower edge of the thyroid cartilage plate was defined as the angle of the cape, measured using ImageJ software (NIH, USA) Three cases of laryngeal specimens were taken from the left and right sides of the specimens, and the gender differences in different groups were analyzed statistically. Three-dimensional reconstruction of the circumflexa cava was performed using Micro-CT and three-dimensional reconstruction software. After that, the three specimens were decalcified , Dehydrated and paraffin-embedded for HE and Van-Gieson (VG) staining. Results There was asymmetry in the articular surface morphology of bilateral circumflex articular joints. There was also asymmetry in the articular cavity (cricothyroid joint), and this feature was closely related to the circumflex angle. All individual thoracic bivalve angles are different. Conclusions The difference of the circumflex angle may lead to the difference of the contact area between the two circumflex cricoid articular surfaces, and finally the asymmetry of the articular surface and the articular cavity of the cricothyroid. Horn angle can be observed and measured in living throat images.