Schwartz M L, Beecham J E
Obstet Gynecol. 1977 Jul;50(1 Suppl):7s-9s.
A villous adenoma of the rectum was first discovered when it was forced through the anal canal during the second stage of labor. This is the first case of its kind reported. The management of this case is presented along with a discussion of the characteristics and possibly premalignant behavior of the villous adenoma.
直肠绒毛状腺瘤首次被发现是在分娩第二阶段它被挤出肛管时。这是首例此类病例报告。本文介绍了该病例的处理情况，并讨论了绒毛状腺瘤的特征及可能的恶变前期表现。
