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A Prostatic Acid Phosphatase (PAP) Serum Test is used in conjunction with PSA measurement to help assess the prognosis of prostate malignancy and is useful in monitoring therapeutic progress.
Prostatic acid phosphatase has been used as a tumor marker ever since the observation by Gutman in 1938 that elevated levels of this enzyme are found in patients with metastatic prostate cancer. PAP determination in conjunction with PSA measurements is useful in assessing the prognosis of prostate cancer. Measurement of two markers allows identification of prostate cancer patients who have an elevation of PAP but not of PSA, and thus help monitoring the course of disease and response to treatment. PAP is more specific than PSA and less false-positives are seen due to benign prostatic hyperplasia.
004747, 208
Acid Phosphatase; Prostatic, PAP; Male PAP
Blood
No special preparation required.
3-9 days. May take longer based on weather, holiday or lab delays.
Prostate-specific Antigen (PSA) Serum Test
The Prostate-Specific Antigen (PSA) Serum Test measures PSA levels in the blood to screen for prostate cancer or other benign prostate conditions.
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