A survey about further work-up for cases with positive sputum cytology during lung cancer mass screening in Ishikawa Prefecture, Japan: A retrospective analysis about quality assurance of lung cancer screening

Motoyasu Sagawa, Takeshi Kobayashi, Chika Uotani, Yoshinori Kibe, Makoto Tanaka, Yuichiro Machida, Nozomu Motono, Sumiko Maeda, Katsuo Usuda

研究成果: Article

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Objective: In cancer screening programs, performing appropriate further work-up is essential. In order to elucidate whether the further work-up for the subjects with positive screening results by sputum cytology was performed appropriately, the present study was conducted as the first large-scale thorough survey in Japan. Methods: All of the lung cancer screening records from 2007 to 2012 in Ishikawa Prefecture were reviewed. Additional investigations about the further work-up were performed. Results: In total, 2 234 984 people were invited to undergo lung cancer screening, and 494 424 people participated in the screening. Of these, 25 264 people underwent sputum cytology, and 68 positive cases were identified. Three of these 68 cases did not undergo further work-up, and another three cases had already been diagnosed to have lung cancer. Forty-five of the remaining 62 cases did not have suspicious chest shadows, and bronchoscopic examinations were performed in 36 cases. Seventeen of these 36 cases were diagnosed as having cancer, whereas none of the nine cases who did not receive the examination was diagnosed (P = 0.038). A bronchoscopic examination was not performed due to other medical conditions in three cases, due to the patient's refusal in another three cases and in the remaining three cases, the reasons were unknown. Conclusion: The participation rate for further work-up was very high. However, there are some issues to be resolved regarding the transmission of information. With our new registered hospital system, the quality assurance of our screening program will be improved.

元の言語English
記事番号hyu214
ページ(範囲)297-302
ページ数6
ジャーナルJapanese journal of clinical oncology
45
発行部数3
DOI
出版物ステータスPublished - 2015 3 1

ASJC Scopus subject areas

  • Oncology
  • Radiology Nuclear Medicine and imaging
  • Cancer Research

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