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Effectiveness of Osimertinib for Postoperative Recurrence of Lung Cancer with L861Q Activating EGFR Mutation:Report of a Case Motoaki Yasukawa 1 , Takeshi Kawaguchi 1 , Masahide Ota 1 , Takashi Tojo 2 , Shigeki Taniguchi 3 1Department of Thoracic and Cardiovascular Surgery, Nara Medical University School of Medicine Keyword: L861Q , epidermal growth factor receptor (EGFR) mutation , osimertinib pp.156-159
Published Date 2021/2/1
DOI https://doi.org/10.15106/j_kyobu74_156
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A 69-year-old woman was referred to our hospital because of an abnormal shadow on a chest roentgenogram at a medical check-up. Chest computed tomography showed a 2.5 cm-diameter tumor in the right pulmonary lower lobe. Fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) could not detect the other lesions. The patient underwent thoracoscopic right lower lobe lobectomy for lung adenocarcinoma. Pathological diagnosis was invasive adenocarcinoma (pT1cN0M0). EGFR status was positive for the L861Q mutation in exon 21. At 31 months after surgery, the recurrence appeared as vertebral and multiple pulmonary lesions, and the treatment with osimertinib showed satisfactory response seven months after starting the treatment.


© Nankodo Co., Ltd., 2021

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電子版ISSN 2432-9436 印刷版ISSN 0021-5252 南江堂

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