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Bladder Cancer DNA Test (Urine FISH)

The innovative FISH test – which stands for fluorescence in situ hybridization (FISH) -- utilizes a urine sample and colored dyes that allow for detection of cancer-promoting abnormalities under a fluorescent microscope in the laboratory.  Detection of relevant genetic abnormalities can aid in the diagnosis of bladder cancer.  In fact, FISH testing of urinary cells is a powerful test that can detect up to 95% of aggressive bladder cancer. FISH also may be used to detect a recurrence of bladder cancer several months earlier than standard testing.