摘要

A case report of manubriosternal joint (MSJ) dislocation in a rheumatoid patient with thoracic kyphosis is presented together with a review of the relevant literature. Variations in the anatomical nature of the MSJ between normal individuals are described. In 43% of the population its characteristics are noted to be such that it may be involved in rheumatoid arthritis (RA). A joint thus involved can be dislocated by forces generated by longstanding thoracic kyphosis and transmitted to the manubrium via the first rib. Xeroradiographs of the MSJ region in our patient showed dislocation of the joint in the upright position and its subsequent reduction on lying the patient flat. We suggest that this demonstrated reduction is secondary to the lessening of the thoracic kyphosis that occurs in the supine position. It is concluded that in RA MSJ dislocation is a function of thoracic kyphosis.

译文

1 例类风湿患者胸骨前关节 (MSJ) 脱位的病例报告,并结合相关文献复习。描述了正常个体之间 MSJ 的解剖性质的变化。在 43% 的人群中,它的特征被认为可能与类风湿性关节炎 (RA) 有关。因此,受累的关节可能会因长期胸椎后凸所产生的力而脱臼,并通过第一根肋骨传递到肩部。我们病人的 MSJ 区的 xerorradiograph 显示在直立位置的关节错位和其随后平躺患者的减少。我们认为,这种被证明的减少是继发于发生在仰卧位的胸椎后凸的减少。结论是 RA MSJ 脱位是胸椎后凸畸形的一种功能。

Kyphosis

骨科 脊柱畸形 疾病
概述  :  

脊柱后凸是脊柱畸形中最为常见的一种症状,正常脊柱存在生理性的弯曲,形成的后凸角度较小,一般不超过50°,但在病理性脊柱后凸患者中这一角度则要>60°,且呈不断增加的趋势。 病因学非固定性畸形可在医生的被动活动或病人的主动活动时被矫正,包括姿势性驼背和代偿性脊柱后凸。固定性畸形多由其他疾病所导致,其中又分为脊柱弓状后凸(包括先天性脊柱后凸、瘫痪性脊柱后凸、年龄相关性驼背、佝偻病性驼背、强直性脊柱炎、多发性骨骺发育异常、原发性骨质疏松症、次发性骨骺骨软骨病、氟骨症和甲状旁腺功能亢进骨营养不良等,

Kyphosis  英 /kaɪ'fəʊsɪs/  美 /kaɪ'fosɪs/     

释义   n. [外科] 驼背

例句   Theoretically, segmental fixation provides for additional fixation points that may in fracture reduction and kyphosis correction. 理论上来说,节段性固定提供了附加的固定点,可能有利于骨折还原及驼背矫正。


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