患者男、64岁,汉族、农民。因尿频, 大便困难,粪块呈片状两年,于1977年10月25日入院。会阴部和耻骨上钝痛及下垂感20年。检查:一般情况好。会阴部饱满,耻骨上可触一半圆形硬块,固定,边缘不甚清楚,轻度压痛。下腹直肠双手触诊(一手在下腹检查一手作直肠指检)可触及盆腔内儿头大,圆形、质硬之肿块,活动度差,前列腺不大, Male patient, 64 years old, Han nationality, farmer. Due to frequent urination, stool difficulties, fecal material was flaky for two years, on October 25, 1977 admission. Perineum and suprapubic dull pain and sagging sense of 20 years. Check: Generally good. Perineal full, suprapubic touch half round lumps, fixed, the edge is not clear, mild tenderness. Lower abdominal palpation of the hands and hands (one hand in the lower abdomen check one hand for digital rectal examination) can reach the pelvic large, round, hard mass, activity, prostate is not large,