Chemicals

Study data from Washington University update knowledge of chemicals

Published in Cancer Weekly, October 23rd, 2007

"'Objectives To determine whether the prostate-specific antigen (PSA) density (PSAD), measured using either ultrasound (US) or prostatic weight (PW), is an independent predictor of adverse pathologic findings or biochemical-free survival and whether it outperformed PSA. The data were obtained prospectively from 1327 patients undergoing radical prostatectomy from 1990 to 2003," investigators in the United States report.

"The US PSAD was calculated by dividing the preoperative PSA level in nanograms per milliliter by the US measured prostate volume in cubic centimeters. The PW PSAD was calculated by dividing the PSA value in nanograms per milliliter by the measured PW of...

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Source: Cancer Weekly (2007-10-23)

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