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BACKGROUND:The medical community lacks results from prospective controlled multicenter studies of the diagnostic efficacy of 5‐aminolevulinic acid (5‐ALA) cystoscopy on tumor recurrence in patients with superficial bladder tumors.
METHODS:A prospective randomized, double‐blind, placebo‐controlled study was conducted in 370 patients with nonmuscle‐invasive urinary bladder carcinoma who received either...
With the introduction of prostatic specific antigen (PSA), the role of prostatic acid phosphatase (PAP) has been questioned. Some authors still advocate its determination, because PAP may be helpful for identifying patients with organ confined cancer. Tumor progression may be detected earlier in some patients by PAP. With respect to cost, we analyzed whether PAP still has a place as a tumor marker...
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