巨大多囊性精囊腺囊肿在临床上极为罕见,我院收治一例,现报告如下: 患者男,40岁,农民,以排尿、排便困难,下腹部肿块两个月为主诉而入院。中,下腹,耻骨上触及13cm×14cm大肿物,质地较软,表面光滑,压痛阳性,移动性尚好,周界清楚,但底部界线不清,经直肠指诊证实肿物位于直肠右旁,有波动感,使直肠向右移位,末梢血象及尿常规检查未见异常。B超显示盆腔内多房性低密度液性暗区,疑为囊性病变。以膀胱造影排除膀胱内肿物,结肠双重造影显示结肠 Large polycystic seminal vesicle cyst in clinical very rare, admitted to our hospital a case, are as follows: The male patient, 40 years old, peasants to urination, defecation difficulties, abdominal mass two months as the main complaint and admission. Middle and lower abdomen, suprapubic touch and 13cm × 14cm large mass, soft texture, smooth surface, tenderness positive, mobility is good, the perimeter clear, but the bottom of the line is unclear, confirmed by the digital rectal examination in the right side of the rectum, Fluctuation, the right shift of the rectum, peripheral blood and urinary routine examination showed no abnormalities. B-show multi-ventricular pelvic low-density liquid dark area, suspected cystic lesions. Bladder imaging to exclude bladder tumor, colon double contrast colon