経直腸的超音波断層法による前立腺診断

概要

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Former conventional examinations for the prostate could not entirely reveal this organ, but horizontal tomogram of the prostate performed by a new equipment for transrectal ultrasonotomography was able to detect the prostate itself easily and in safety. Diagnostic criteria in transrectal ultrasonogram for the prostatic diseases had been reported and important elements of the criteria were composed of section, capsular echo and internal echo. Typical cases of chronic prostatitis, benign prostatic hyperplasia and prostatic cancer were demonstrated. In our 100 cases, irregular thickness and discontinuity of capsular echo and irregularity of internal echo were evaluated as the most common findings of the tomogram. Precise measurement of prostatic weight counted from ultrasonotomogram coincided with weight of surgical specimen removed from 18 cases of benign prostatic hyperplasia. This procedure was also useful for assessment of therapeutic effects in prostatic cancer. Of 8 cases of prostatic cancer, prostatic reduction, thickness of capsular echo and simplification of internal echo were observed as improved findings. Transrectral ultrasonotomography should be introduced into prostatic examination moreover and is likely to become one of the most important methods in diagnosis of prostatic diseases and follow up of prostatic cancer.
泌尿器科紀要刊行会の論文