传统的胸腺瘤手术要从正中劈(pī )开胸骨,出血多,创伤大,术后留下一条(tiáo )长长(zhǎng )的疤痕,病人痛不(bú )堪言。而常规(guī )经肋间胸腔镜(jìng )无(wú )法(fǎ )进行对(duì )侧纵(zòng )膈脂肪的(de )清扫(sǎo )。而(ér )与开胸手术相比,经剑突下胸(xiōng )腔镜(jìng )纵隔肿瘤切除术是(shì )在(zài )胸骨和心包之(zhī )间的间隙(xì )进行,通过形成(chéng )人工气胸,为(wéi )手(shǒu )术操(cāo )作提(tí )供了宽阔清晰的(de )视(shì )野,避免了胸骨切(qiē )开(kāi )。