The serial technetium 99 (99Tc) bone scans of 76 patients with Stage D-2 prostate cancers were reviewed. Sites of metastases in skeletal areas in decreasing order were vertebrae, ribs, pelvis, long bones, and skull. Patients with one or two involved skeletal areas had a significantly longer progression-free interval and survival time than patients with three or more bony areas of uptake. Bone scans might be used as a stratification variable in future prospective clinical trials of Stage D-2 prostate cancer.
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Knudson et al. (1991) studied this question.
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