症例報告(第8回若手奨励賞受賞論文) Erlotinibでinduction therapyを行ったⅢA期非小細胞肺癌の1手術例

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  • Erlotinib でinduction therapy を行ったIIIA期非小細胞肺癌の1手術例
  • Erlotinib デ induction therapy オ オコナッタ IIIAキ ヒショウサイボウ ハイガン ノ 1シュジュツレイ
  • A surgical case of stage IIIA non-small cell lung cancer with EGFR-TKI as induction therapy

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［Background ］Erlotinib, epidermal growth factor receptor-tyrosine kinase inhibitor（EGFR-TKI）, is effective for advanced and metastatic non-small cell lung cancer（NSCLC）with EGFR mutation. However, the report of Erlotinib as induction therapy is rare. We report a surgical case of NSCLC with Erlotinib as induction therapy. ［Case ］A４１-years-old man, diagnosed left lung adenocarcinoma with EGFR mutation（exon１９deletion）, was referred to our hospital. CT showed that the tumor was ３５mm in S８ of the left lung and ＃７ lymphnode was swelling markedly（cT２aN２M０ stage ⅢA）. He took Erlotinib（１５０mg／day）for１２weeks at first because of EGFR mutation positive. The evaluation of Erlotinib was partial response in RESIST. He could take radical operation as lower lobe and lingual segment resection, because CT showed bulky ＃７got smaller significantly. There was no postoperative complication. The pathological finding was adenocarcinoma（papillary& acinartype）, PL０, v（＋）, ly（＋）, br（－）, pa（－）, pv（－）, Ef :１b,（ypT１aN２M０stage ⅢA）. He has taken adjuvant therapy（Erlotinib１５０mg／day）for２８weeks. There is no recurrence six months after operation. ［Conclusion ］It is possible that Erlotinib as induction-therapy is very effective in patients with EGFR mutation like this case ; however there is no evidence of EGFR-TKI as induction therapy. It is necessary to validate the effectiveness of Erlotinib as induction therapy.

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