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【图1】男,48岁。近一年来大便时有肿块脱垂,便后可自行回缩。偶有少量便血。5年前曾在外院经枯痔钉治疗。查体(右侧卧位):肛门外观正常,嘱病人用力排便,可见一红色肿块脱垂,位于右前处。可以用手还纳,无疼痛。直肠指诊:阴性。【图2】女,30岁,已婚。间歇性便血2年,近一年妊娠后便血加重。2个月前生产后,每次便后有肿块自肛门脱出,可还纳。近2天来有便秘,排便困难,排便后肿块脱出不能还纳,并有疼痛,行走不便。查体(膝胸位):在肛旁右前位有一肿块,
Figure 1 male, 48 years old. Nearly a year when the stool mass prolapse, they can self-retraction. Occasionally a small amount of blood in the stool. 5 years ago in the outer hospital treated with hemorrhoids nails. Physical examination (right lateral position): the normal appearance of the anus, instruct patients forced defecation, showing a red mass prolapse, located in the front right. Can also be satisfied with the hand, no pain. Rectal examination: negative. Figure 2 Female, 30 years old, married. Intermittent blood in the stool 2 years, nearly a year after pregnancy, increased blood in the stool. 2 months after production, after each have a mass from the anus prolapse, but also satisfied. Nearly 2 days have constipation, defecation, defecation, prolapse after the tumor can not be satisfied, and pain, walking inconvenience. Examination (knee thoracic): in the anterior paralysis of a lump,