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volume-rendering technique CT image and Pathological sections (hematoxylin-eosin staining,original magnification× 40) (a, b) CT image of pure ground-glass nodules opacity in the right medium lobe of a 67-year-female. Image show that vessels passed through the GGO were eliminated manually. Pathological results confirmed the diagnosis of adenocarcinoma in situ (AIS). c, d CT image of pure ground-glass nodules opacity in the right medium lobe of a 52-year-female. Pathological results confirmed the diagnosis of minimally invasive adenocarcinoma (MIA). e, f CT image of pure ground-glass nodules opacity in the left upper lobe of a 63-year-male. Pathological results confirmed the diagnosis of invasive adenocarcinoma (IAC)

volume-rendering technique CT image and Pathological sections (hematoxylin-eosin staining,original magnification× 40) (a, b) CT image of pure ground-glass nodules opacity in the right medium lobe of a 67-year-female. Image show that vessels passed through the GGO were eliminated manually. Pathological results confirmed the diagnosis of adenocarcinoma in situ (AIS). c, d CT image of pure ground-glass nodules opacity in the right medium lobe of a 52-year-female. Pathological results confirmed the diagnosis of minimally invasive adenocarcinoma (MIA). e, f CT image of pure ground-glass nodules opacity in the left upper lobe of a 63-year-male. Pathological results confirmed the diagnosis of invasive adenocarcinoma (IAC)

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Fig. 1 volume-rendering technique CT image and Pathological sections...
Fig. 2 ROC curves of three scans and volumes for indicating invasive...
the CT values of pGGO
ROC curves of three scans and volume
The feasibility of non-contrast enhanced plus contrast-enhanced computed tomography in discriminating invasive pure ground-glass opacity from pre-invasive pure ground-glass opacity
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  • Jul 2020
Background: Invasive pure ground-glass opacity and pre-invasive pure ground-glass opacity have different 5-year overall survival rate and risk of lymph node metastasis and the extent of resection. It is difficult to discriminate these nodules since they share similar CT features and may occur concurrently. The objectives of this study were to inve...
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... Among nine studies, five suggested the size of pure GGN as a predictive factor for IA (4,11,12,26,27). Hounsfield unit (HU) was found to be significant in two studies (13,15) and other radiologic characteristics (25), including maximal standard uptake value (SUVmax) (6), were also suggested. ...
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