Bone scan is an essential method of investigation for the detection of metastases; it is also used to follow the evolution of the disease and the response to treatment in prostatic cancer. The authors tried a bone scan quantification method to better evaluate the efficiency of hormonal treatment. 28 patients were followed up by this method. Taken as a whole, quantitative scans show results very similar to those of standard scans. However, there are some differences between the two methods of interpretation. The quantitative method seems to be more effective.
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