排便时肛门滴鲜血，可能是() ["A．内痔出血","B．肛裂出血","C．直肠癌出血","D．小肠息肉出血","E．直肠息肉出血"]
肛管括约肌深部瘘管，其内口在肛管直肠环上方时，应采用() ["A．一期切开术","B．挂线疗法","C．切开瘘管近外侧的部分","D．药物治疗","E．其余经括约肌部分可用挂线疗法"]
假膜性肠炎
肛管直肠周围脓肿中，少见的有() ["A．盆腔脓肿","B．骨盆直肠间隙脓肿","C．肛门旁皮下脓肿","D．直肠后间隙脓肿","E．坐骨肛管间隙脓肿"]
不适合肛裂的检查方法是() ["A．肛门视诊","B．直肠指诊检查","C．直肠镜检查","D．乙状结肠镜检","E．轻轻牵开肛门观察肛管"]
玫瑰疹
