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Prostatic calculi are common and are associated with inflammation of the prostate. Recently, it has been suggested that this inflammation may be associated with prostate carcinogenesis.
uric acid calculus a hard, yellow or reddish-yellow urinary calculus formed from uric acid. urinary calculus a calculus in any part of the urinary tract; it is vesical when lodged in the bladder and renal (see kidney stone) when in the renal pelvis.Common types named for their primary components are oxalate calculi, phosphate calculi, and uric acid calculi.hosphate calculus a urinary calculus composed of a phosphate along with calcium oxalate and ammonium urate; it may be hard, soft, or friable, and so large that it may fill the renal pelvis and calices. prostatic calculus a concretion formed in the prostate, chiefly of calcium carbonate and phosphate.