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Abstract #3682

The Comparison of Enhancing-part and Whole-lesion of ROI Measurements in MR Histogram Analysis of Clear Cell RCC and None Clear Cell RCC

Ming-Cheng Liu1,2, Yi-Jui Liu2,3, Pin-Sian Lyu3, Guan-Xin Pan3, Si-Wa Chan4,5,6, Yen-Ting Lin1,7, Siu-Wan Hung1,8,9, Jyh-Wen Chai1, and Kun-Yuan Chiu10,11
1Radiology, Department of Radiology, Taichung Veterans General Hospital, Taiwan, Taichung, Taiwan, 2Ph.D. Program of Electrical and Communications Engineering, Feng Chia University, Taichung, Taiwan, Taichung, Taiwan, Taiwan, 3Department of Automatic Control Engineering, Feng Chia University, Taichung, Taiwan, Taichung, Taiwan, 4Department of Medical Imaging, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung, Taiwan, Taichung, Taiwan, 5School of Medicine, Tzu Chi University, Hualien, Taiwan, Taichung, Taiwan, 6Department of Medical Imaging Radiological Science, Central Taiwan University of science and Technology, Taichung, Taiwan, Taichung, Taiwan, 7Institute of Clinical Medicine, National Yang-Ming University, Taiwan, Taichung, Taiwan, 8School of Medical Imaging and Radiological Sciences, Chung Shan Medical University, Taiwan, Taichung, Taiwan, 9Department of Veterinary Medicine, National Chung Hsing University, Taiwan, Taichung, Taiwan, 10Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taiwan, Taichung, Taiwan, 11Department of Applied Chemistry, National Chi Nan University, Taiwan, Taichung, Taiwan


Tumor necrosis, hemorrhage, and cystic change may influence the result of MR histogram analysis between ccRCC and ncRCC. We conducted EP ROI and WL ROI measurements of these two tumors. Five most important metrics were found in differentiation, including three EP ROI metrics on the T1 A and V phase, and the T2W images, and two WL ROI metrics on the DWI b800 images and the T2W images. Both EP ROI and WL ROI played a role in the diagnosis ccRCC and ncRCC. The addition of these two ROI measurements of histogram analysis to routine MRI evaluation may benefit diagnosis.

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