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从不同器官转移至肺的转移癌,其临床、x 线学、细胞学甚至组织学的发现与原发肺癌一样,故鉴别有困难。作者在以往的研究中,曾提出分析肺肿瘤组织的磷脂可作为鉴别肺转移癌和原发肺癌的方法.如为肺转移癌,它含有原发器官的特殊的磷脂胆碱分子结构。本文报导3例以前患直肠癌或结肠癌的肺腺癌病人的癌组织磷脂分析结果。
Metastases that have metastasized to lungs from different organs have clinical, x-ray, cytological, and even histological findings that are identical to those of primary lung cancer. In previous studies, the authors proposed that the analysis of phospholipids in lung tumor tissues can be used as a method to identify lung metastases and primary lung cancers. If it is lung metastases, it contains a special phosphatidylcholine molecular structure of the primary organ. This article reports the results of phospholipid analysis of cancerous tissue in 3 cases of lung adenocarcinoma patients with previous colorectal cancer or colon cancer.