Solitary pulmonary nodules: optimal slice thickness of high-resolution CT in differentiating malignant from benign |
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Authors: | Iwano Shingo Makino Naoki Ikeda Mitsuru Itoh Shigeki Tadokoro Masanori Satake Hiroko Ishigaki Takeo |
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Institution: | Department of Radiology, Nagoya University School of Medicine, 65 Tsurumai, Shouwa-ku, Nagoya 466-85500, Japan. iwano45@med.nagoya-u.ac.jp |
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Abstract: | The purpose of this study was to determine an optimal slice thickness that was efficient in differentiating malignant from benign solitary pulmonary nodules (SPNs) on high-resolution computed tomography (HRCT) images. For a total of 92 SPNs, four radiologist indicated their confidence level for the malignant or benign SPN on the CT images presented in 1-, 3-, and 5-mm slice thickness. HRCT could be used to differentiate more accurately the malignant nodules from the benign ones using 1-mm-thick sections than 3- or 5-mm-thick sections. |
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