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1·Objective: to investigate the efficacy of intrathoracic transposition of pectoralis major muscle for treating bronchial stump fistula after pneumonectomy.

目的：探讨胸大肌胸腔内移植治疗全肺切除术后支气管残端瘘的有效性。

2·Objective: to investigate the effect of pedicled pectoralis major muscle flap surgery was performed on the tumor recurrence after radiotherapy for head and neck cancer salvage surgery.

目的：探讨头颈癌放疗后因肿瘤复发进行挽救性手术，带蒂胸大肌肌皮瓣修复手术切除后软组织缺损的可行性和价值。

3·Objective: To study the muscle spindle morphology, distribution and their relationship with the fiber-types in human pectoralis major and pectoralis minor.

目的：探讨人胸大肌、胸小肌肌梭的形态、分布及其与梭外肌纤维型的关系。

4·Methods: Modified radical mastectomy of retaining pectoralis major and pectoralis minor muscle was applied to 63 patients, aided by chemotherapy after operation.

方法：对63例乳腺癌患者实施保留胸大、小肌改良根治术，术后辅以化疗。

5·Conclusion:The denervated pectoralis major myoflap can be reinnervated by hypoglossal-genioglossus muscle neuromuscular pedicle transplantation.

结论：舌下神经颏舌肌蒂植入能使失神经胸大肌瓣重新获得良好的神经再支配。

6·Main chest muscle pectoralis major, minor muscle and intercostal muscles.

深层的肌肉较多，主要有骶棘肌。