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胸腺切除术已被公认为治疗重症肌无力的一种方法。在大阪医科大学第一外科,有88名该病患者进行了胸腺切除术。手术多半经胸骨正中径路。根据作者经验,胸腺的上端与邻近组织间有一层薄囊将其分开,故能较清楚地辩认;而胸腺下端则与它周围脂肪组织间界线不清。因此,为了搞清胸腺组织在前纵隔的位置,弄清它的边界,以进行彻底的胸腺切除,作者进行了下述研究。
Thymectomy has been recognized as a method for the treatment of myasthenia gravis. At the First Surgery of Osaka Medical University, 88 patients with this disease underwent thymectomy. Most of the operations are performed on the median sternal axis. According to the author’s experience, there is a thin sac between the upper end of the thymus and the adjacent tissue to separate it, so it can be clearly identified; and the boundary between the lower end of the thymus and its surrounding adipose tissue is unclear. Therefore, in order to clarify the position of the thymus tissue in the anterior mediastinum and to clarify its borders for thorough thymectomy, the authors conducted the following studies.