1.   Because lowering testosterone is already known to shrink prostate tumors, the company may not need to show longer survival times to win approval.

2.   Because testosterone is essential to the growth of prostate tissue and prostate cancer cells, reducing this hormone has the effect of shrinking prostate tumors.

3.   A peptide drug, it eliminated the surge of testosterone, the major male hormone that promotes the growth of prostate tumors.

4.   Environment Something in the culture or environment of the industrialized Western world seems to convert microscopic prostate tumors into more aggressive, potentially fatal prostate cancer.

5.   Even the smaller doses used for replacement therapy could fuel the growth of prostate tumors, which are common in older men.

6.   In a current project, researchers at the University of Florida are studying the effect of zinc on prostate tumor cells.

7.   In his own laboratory, Zetter has identified molecular markers that may distinguish slow-growing and relatively benign prostate tumors from their expansionist and potentially lethal counterparts.

8.   In the experiment, human prostate tumors were implanted into the backs of eight mice and allowed to grow to a uniform size.

9.   It may be enough to keep latent prostate tumors from progressing.

10.   Many physicians prescribe drugs to starve a prostate tumor of testosterone, the male hormone that nourishes the cancer.