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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 4 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 4

From: Computed tomographic features of pulmonary pure ground-glass nodule: a comparison between neoplastic and non-neoplastic nodules

Fig. 4

A 62-year-old male. a CT scan (lung window) showed few GGNs, the illustrated one was seen at the right lower lobe, clinical and laboratory diagnosis of chest infection, with disappearance of nodule after 2 weeks. b CT histogram for the segmented GGN, CT exam showed mean density: − 647.3 HU, maximum density: − 229 HU, minimum density: − 852 HU, STD: 105.1, skewness was negative, kurtosis was zero, two peaks with peak frequency 11%, and visual assessment of CT histogram of ROI is type β

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