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MRI and pathology of lung cancer and benign pulmonary nodule and mass Katsuo Usuda 1,2 1Department of Thoracic Surgery Kanazawa Medical University Keyword: 呼吸器MRI , 拡散強調像 , 良悪性肺腫瘤 pp.15-25
Published Date 2023/1/31
DOI https://doi.org/10.18888/rp.0000002225
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Purpose:the aim of this study is to evaluate the relationships between DWI findings and pathologic findings of pulmonary nodules and masses. Methods:334 patients(282 resected lung cancers or 52 benign pulmonary nodules and masses:BPNM)were included. All MR images were performed using a 1.5 T magnetic scanner. Results:The mean ADC(1.23±0.29×10−3 mm2/sec)of lung cancer was significantly lower than that(1.69±0.58×10−3 mm2/sec)of BPNM. The ADC value of mucinous adenocarcinoma was significantly higher than that of each subclassification of adenocarcinoma. The ADC value of adenocarcinoma was significantly higher than that of squamous cell carcinoma, or small cell carcinoma. The ADC of lung cancer with necrosis was significantly lower than that of lung cancer without necrosis. Conclusions:MRI is a useful tool for clinical diagnosis and evaluation of lung cancer and BPNM. ADC shows higher values in mucinous lesions and lower values in necrotic lesions in lung cancers and BPNMs.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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