This Article  • References  • Full text PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Contact me when this article is cited  Related Content  • Similar articles in JAMA  Social Bookmarking   What's this?

Richard L. Levine, MD
Harvard Medical School Boston, Mass

JAMA. 1993;270(6):706.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.

—Giovannucci et al¹ failed to consider the most important variable associated with diagnosing prostate cancer in the United States, that is, a patient-urologist encounter. In another study linking vasectomy to prostate cancer, Rosenberg et al² failed to address the same issue. Although participants in both studies provided detailed information on various lifestyle variables, information on contact with urologists was lacking. Giovannucci et al addressed detection bias by confirming that the frequency of rectal examination was similarly high in men with and without vasectomy. Rosenberg et al questioned whether vasectomized men were more health conscious and more likely to undergo surveillance than nonvasectomized men but dismissed the possibility since the risk of prostate cancer was still increased 15 years after vasectomy, when they felt it would be unlikely that men were still undergoing regular rectal examination related to vasectomy.

Men electing vasectomy may have in common . . . [Full Text PDF of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?