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患者,女,70岁,主因间断大便带血1年余,加重5d就诊。曾于当地按痔疮治疗,症状无缓解。直肠指诊:肛门外观未见异常,距肛缘约2cm直肠前壁触及一肿物,中央可及溃疡凹陷,呈结节感,质硬,活动度差,占据肠壁近1/2周径,肿物上缘可触及,退观指套染血。三合诊检查:阴道后壁可及局部隆起,表面黏膜粗糙未及明确肿物,退观指套无染血。CT示:直肠前壁增厚,近肛管处可见直径约3.0cm的略低密度影,边界欠
Patients, female, 70 years old, mainly due to intermittent stool bloody more than 1 year, increased 5d treatment. Had hemorrhoids in the local treatment, no symptoms. Rectal examination: no abnormal appearance of the anus, from the anal verge about 2cm rectal anterior wall touches a tumor, the central access and ulceration, nodular, hard, poor mobility, accounting for nearly 1/2 weeks of the intestinal wall diameter , The upper edge of the tumor can be touched, retrograde finger cuff blood. Triple check: vaginal posterior wall and local uplift, the surface of the mucosa rough and less clear tumor, retreated fingers set no blood. CT showed: rectal thickening of the anterior wall, near the anal canal at a diameter of about 3.0cm slightly lower density, border