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腫瘤位置在接受下肺葉切除之肺腺癌患者的預後重要性

摘要


下肺葉在兩側胸腔約佔據胸腔的一半,包含大量的肺實質,並從肺門上方延伸至橫膈膜。下肺葉可分為基底節段(basal segment)和上節段(superior segment)兩部分。腫瘤位置(基底節段vs.上節段)在下肺葉肺癌之預後重要性,在文獻中尚未被充分研究。並且,淋巴迴流途徑與下肺葉腫瘤位置之間的關聯性亦尚未得到充分證實。根據臺北榮民總醫院之經驗,在接受肺葉切除之下肺葉肺腺癌的患者中,與上節段腫瘤相比,基底節段腫瘤發生N2淋巴結轉移的可能性明顯較高。腫瘤位於基底節段(相對於上節段)是較低的無復發存活率的重要預後因子。此結果有助於找出下肺葉肺腺癌接受肺葉切除患者之術後高復發風險群。

參考文獻


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