Bone marrow acid phosphatase by radioimmunoassay

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Abstract
A double-antibody radioimmunoassay was developed and utilized to measure prostatic acid phosphatase in bone marrow aspirates. One hundred-eighteen patients with carcinoma of the prostate in various clinical stages, and fifty with benign prostatic hyperplasia were studied. In patients with carcinoma, levels of prostatic acid phosphatase in bone marrow aspirates were found to correlate well with increasing clinical stage of the disease. Determination of bone marrow prostatic acid phosphatase by radioimmunoassay may be a valuable adjunct to clinicopathologic staging of prostatic carcinoma.