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1病例报告患者男,68岁。因肛旁疼痛3个月余来院就诊。入院查体:肛门后正中皮下距肛缘2cm处触及一1cm×1cm质硬肿物,诊断为肛旁感染。经抗感染治疗5天后疼痛无减轻,肿物无局限。完成相关检查后,遂行肛旁肿物切除术。术中可见肿块位于内外括约肌间,无明显包膜,与周围括约肌粘连,分离肿块并完整切除。病理学检查结果显示,肛周小细胞恶性肿瘤。进
1 case report patient male, 68 years old. Due to anal pain for more than 3 months to hospital. Admission examination: anus after subcutaneous subcutaneous anal margin 2cm touch a 1cm × 1cm quality hard mass, the diagnosis of anal infection. After 5 days of anti-infective treatment no pain relief, no limitations of the tumor. After the completion of the relevant inspection, the perineal excision is performed. Surgery can be seen within the mass between the inner and outer sphincter, no significant capsule, adhesion with the surrounding sphincter, the separation of mass and complete resection. Pathological examination showed perianal small cell cancer. Enter