1928年Morse研究尿路的Brunn氏巢和囊的关系,巢可发展成囊。此后,不少学者提出这些改变是癌前病变。本文作者利用100例尸检肉眼上正常的膀胱标本作了研究,男61例,女39例,92％年龄大于30岁,结果是93例看到Brunn氏巢,囊性膀胱炎是和粘膜无角化的鳞状化生。上述改变单一或多种同时存在,Brunn氏巢和囊性膀胱炎各占89％和60％。鳞状化生在61例男人中只4例,39例女人中有18例,后者46％发生在经绝期前后,3例女孩无鳞状化生的改变,26％的Brunn氏巢呈鳞状改变。Brunn氏巢好发生在膀胱颈和三 In 1928 Morse studied the relationship between the Brunn’s nest and the bladder in the urinary tract, and the nest developed into a sac. Since then, many scholars have suggested that these changes are precancerous lesions. The authors used 100 cases of necropsy on the ocular normal bladder specimens were studied, 61 males and 39 females, 92% of whom were older than 30 years old, the result was 93 cases of Brunn’s nest, cystitis cystitis and no horn Scaly metaplasia. The above changes were single or multiple simultaneous, Brunn’s nest and cystitis cystitis each accounted for 89% and 60%. Squamous metaplasia was found in only 4 of 61 men and 18 of 39 women. The latter 46% occurred before and after menopause, with 3 cases of squamous metaplasia in girls and 26% in Brunn’s nest Squamous changes. Brunn’s nest occurs well in the bladder neck and three