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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

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

Fig. 1

A 42-year-old man with poorly differentiated cancer of the transverse colon. a Morphologic CT image, demonstrated the position of each ROI, ROI 1 = 20 mm2 in the artery, ROI 2 = 30 mm2 at the tumor edge, ROI 3 = 30 mm2 at the tumor center. Corresponding parametric color maps (b–d); blood flow (b), blood volume (c), and permeability surface area (d)s

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