非癌性病変（２０ｍｍ以下の）のｔｈｉｎ‐ｓｅｃｔｉｏｎ　ＣＴ画像を用いた解析　肺癌との鑑別を中心に

DOI Web Site 被引用文献6件 参考文献11件

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タイトル別名
  • Evaluation of Benign Pulmonary Lesions Less Than 20mm in Diameter by Thin-Section Computed Tomography.
  • 肺癌との鑑別を中心に

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抄録

To establish diagnostic criteria for small solitary pulmonary nodules, the findings of thin-section computed tomography (CT) were compared with pathological findings. We evaluated thin-section CT images and compared them with pathological findings in 23 specimens of resected benign lesions less than 20mm in diameter located in the peripheral region. The thin-section CT images were reconstructed using 2mm thick sections taken by TCT-900S, HELIX (Toshiba, Tokyo) and were examined with two different windows and level settings. In every case, the surgical specimens were sliced transversely to correlate with the CT findings. The thin-section CT images were classified into two types; solid and air-containing types. The former consisted of benign pulmonary tumors, granulomas and some focal fibrosis, while the latter all consisted of focal fibrosis. Both types were difficult to distinguish from peripheral lung cancer based only on margin analysis of the lesion, but analysis of how pulmonary vessels relate to the lesion can allow benign pulmonary lesions to be distinguished from peripheral lung cancer.

収録刊行物

  • 肺癌

    肺癌 37 (1), 47-54, 1997

    特定非営利活動法人 日本肺癌学会

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