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Abstract #2691

A Reference Region Tracer Distribution Model Analysis of Rat Penile Vascular Changes by DCE.

H. Carl Le1, Nelson Bennett2, Raanan Tal2, Dov Winkleman1, John Mulhall3, Jason Koutcher1,4

1Medical Physics, MSKCC, New York, NY, United States; 2Urology, MSKCC, New York, NY, United States; 3Surgery, MSKCC, New York, NY, United States; 4Medicine, MSKCC, New York, NY, United States


Sildenafil is effective in restoring penile blood flow in alleviating erectile function, a common side effect from radical prostatectomy. We have used DCE MRI to image rat corpora cavernosum post nerve injury with and without sildenafil treatment. The effect of sildenafil on the corpora cavernosal vascular volume changes are detected and can be used to monitor penile vascular health in clinic.

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