Résumé
Provocation test made no 90 cases of chronic prostatitis using prednisolone with a dose of 20-30 mg. per day for 1~2 weeks, was done. The results are as follows. 1. In provocation group the incidence of cases with 10/HPF or more of WBC was 10~21% as compared to 0~10 % of control group. 2. There was no difference between the two groups in the number and species of bacteria found in the prostatic secretion. 3. On palpation no remarkable difference was found between the two groups except the tenderness which was less in incidence in the provocation group. 4. As mentioned above the prostatic secretion of the provocation group disclosed increasing tendency in WBC appearance and the prednisolone provocation test was proved to de valuable for the diagnosis of chronic prostatitis.