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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 2 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 2

From: The reliability of the computed tomography perfusion parameters as a predictor of colorectal cancer grade: influence of tumor region of interest position

Fig. 2

A 53-year-old women with moderately differentiated cancer of the sigmoid colon. a CT image shows the location of the ROIs; ROI 1 = 20 mm2 in the artery, ROI 2 = 30 mm2 at the edge of the tumor, ROI 3 =30 mm2 at the center of the tumor. Corresponding parametric color maps (b–d); b blood flow, c blood volume, and permeability surface area d

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