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Abstract #2559

Comparison of Prostate Volume Measured by Transrectal Ultrasonography and Magnetic Resonance Imaging with the Actual Prostate Volume Measured after Radical Prostatectomy

Sung Bin Park1 and Haesun Choi2

1Radiology, Chung-Ang University Hospital, Seoul, Republic of Korea, 2Diagnostic Radiology, MD Anderson Cancer Center, Houston, TX, United States

A determination of prostate gland volume facilitates an assessment of prostate disorders and, for prostate cancer, in conjunction with other parameters, can help predict the pathologic stage of disease, offer insights into the prognosis, and help predict treatment response Prostate volume can also be used for calculating prostate-specific antigen density (PSAD) when selecting active surveillance candidates.

The measuring the volume of prostate removed by radical prostatectomy as performed in the present study may be an appropriate way to assess the actual prostate volume even though it may be cancerous. The present study aimed to compare the prostate volume, as measured by TRUS and by MRI, with that of the actual prostate volume measured after a radical prostatectomy.

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