Abstract
A subset of men with prostate cancer have elevated periprostatic androgens compared with levels in peripheral blood (termed the sneaky T phenomenon), which are associated with poor clinical outcomes after radical prostatectomy. These androgens are of testicular origin and reach the prostate, presumably through venous shunting. Varicocele physiology is accompanied by increased hydrostatic pressure within the pelvic venous system, providing a theoretical mechanistic explanation for the sneaky T phenomenon. These observations suggest a potential role for varicocele in contributing to prostate cancer pathophysiology through sneaky T, which if proved, could be a further indication for varicocele repair. Sneaky T can help to explain the differences in the natural history of benign or malignant prostatic diseases between individuals and could be a tool when deciding on the therapeutic course to take.
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