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Abstract #2446

Tumor Estimation for PI-RADS v2 Assessment of Prostate Cancer using Multiparametric MRI

Dharmesh Singh1, Saumya Diwan2, Virendra Kumar3, Chandan J Das4, Anup Singh1,5, and Amit Mehndiratta1,5
1Centre for Biomedical Engineering, Indian Institute of Technology (IIT) Delhi, New Delhi, India, 2Delhi Technological University, Delhi, India, 3Department of NMR, All India Institute of Medical Sciences Delhi, New Delhi, India, 4Department of Radiology, All India Institute of Medical Sciences Delhi, New Delhi, India, 5Department of Biomedical Engineering, All India Institute of Medical Sciences Delhi, New Delhi, India

Accurate estimation of tumor size is a challenging task due to the large variation in shape of prostatic tumors. Measurement of diameter and volume of tumor are useful for the staging of prostate cancer(PCa). Therefore, an appropriate method for tumor assessment is essential to assist clinical management of PCa. The goal of this study was to investigate the role of tumor size estimation methods (2D vs. 3D) for the Prostate Imaging Reporting and Data System version-2(PI-RADS v2) assessment of PCa using multiparametric MRI. Automatic tumor size assessment using ellipse-fitting approach showed relatively better performance of PCa assessment compared to radiologist-assessment.

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