传统的胸腺瘤手术(shù )要从正中劈(pī )开胸骨，出(chū )血多，创(chuàng )伤大，术后留下(xià )一(yī )条长(zhǎng )长(zhǎng )的疤痕，病人痛不(bú )堪言。而常规经肋间胸腔镜无法进行对侧纵膈脂(zhī )肪的清扫。而与(yǔ )开胸(xiōng )手术相比，经剑突下(xià )胸(xiōng )腔镜纵(zòng )隔肿(zhǒng )瘤切除术是在(zài )胸骨(gǔ )和心包(bāo )之(zhī )间的间(jiān )隙(xì )进行(háng )，通过形成人工气胸，为手术操作提供了宽(kuān )阔清晰的视野，避免了胸骨切开。