1990年1月4日,我院收治了一例先天性耳颈瘘管病人,其临床表现与慢性乳突炎合并贝佐氏脓肿极为相似,实属罕见,兹报道如下。患者、男、26岁、1990年1月4日,因右耳后下反复肿痛4月、右耳流脓一月余,以慢性乳突炎、右耳后肿块性质待查入院,体检无异常。专科情况:右耳后肿块约4×5×2cm~3大小,明显红肿、压痛,按压有黄白色粘稠液体从右外耳道瘘口流出,瘘口在外耳道后底壁软骨部,耳道被乳头样肿块填满,鼓膜中央穿孔(幼时曾患中耳炎),听力减退,有轻度面瘫征、外耳道肿块摘除病检为“鳞状上皮明显增生、有角化物质、炎性肉芽、软骨组织,未见癌;”外耳道分泌物多次涂片未找到“抗酸杆菌”、“胆固醇结晶”,“发现有坏死的鳞状上皮细胞、个别核异质细胞”。经外耳道瘘口造影拍片提示:“外耳道前下方有一长2.7cm、宽1.6cm密度不均之孤形影,少量造影剂弥散。”耳后肿块B超:“探及一约4.8×2.3× January 4, 1990, admitted to our hospital a case of congenital ear fistula patients, its clinical manifestations and chronic mastoiditis bezuo abscess very similar, it is rare, it is reported below. Patients, male, 26 years old, January 4, 1990, due to repeated pain in the right and back of the ears in April, more than a month after the right ear pus, with chronic mastoiditis, right ear mass to be admitted to the hospital, no physical examination abnormal. Specialist situation: Right ear after the tumor about 4 × 5 × 2cm ~ 3 size, obviously inflamed, tenderness, yellow and white viscous liquid pressed from the right external auditory canal fistula outflow, fistula in the external auditory canal after the bottom of the cartilage, ear canal was nipple Like mass fill, the central perforation of the tympanic membrane (childhood had otitis media), hearing loss, mild facial paralysis, external auditory canal mass removal disease examination as “squamous epithelial hyperplasia, keratosis substances, inflammatory granulation, cartilage, No cancer; ”many times the smear of external auditory meatus did not find“ acid-fast bacilli ”,“ cholesterol crystals ”,“ found necrotic squamous cells, individual nuclear heterogeneous cells. ” The external auditory canal fistula filming tips: “There is a length of 2.7cm under the external auditory meatus, 1.6cm wide and lumbar uneven density, a small amount of diffuse contrast agent.” B-ultrasonography after the ear: "exploration and about 4.8 × 2.3 ×