例1,男,58岁.因肛门肿痛4天,于88年11月23日急诊入院.肛门检查:胸膝位1点肛旁见有4×3×3cm红肿区域,有明显波动感,指诊齿线上可触及硬性异物.入院诊断:肛门异物伴急性肛周脓肿,在骶麻下急诊行肛旁脓肿切排术,取出一块4×0.5×0.2cm鸡骨横刺嵌插于齿线上1点区.术后pp坐浴换药,抗感染而愈.例2,男,70岁.因肛门肿痛5天,排便困 Example 1, male, aged 58. Anorectal pain for 4 days, emergency room admission on November 23, 88. Anal examination: Chest and knee 1 o’clock on the anal see there 4x3x3cm swelling area, there is a clear sense of volatility, Dysplasia can be touched by hard foreign body.Admission diagnosis: anal foreign body with acute perianal abscess, emergency operation in the sacral anesthesia abscess resection, remove a piece of 4 × 0.5 × 0.2cm chicken bone inserted in the teeth of the spine Online 1 o’clock area .Post pp post bath dressing, anti-infection and more. Example 2, male, 70 years old. Anal swelling and pain for 5 days, defecation