外伤性砧镫关节脱位镫骨底板内陷伴气迷路1例  

Traumatic incudostapedial joint dislocation with stapes footplate into the vestibular window and pneumolabyrinth:a case report

作　　者：陈彬 杨东[1] 许轶[1] 周慧芳[1] CHEN Bin;YANG Dong;XU Yi

机构地区：[1]天津医科大学总医院耳鼻咽喉科,天津300050

出　　处：《临床耳鼻咽喉头颈外科杂志》2021年第2期174-175,共2页Journal of Clinical Otorhinolaryngology Head And Neck Surgery

摘　　要：1病例报告患者,男,52岁。因摔倒后头部着地出现眩晕、左耳听力下降4个月于2019年1月25日入院。患者主诉摔倒时头部着地后出现眩晕、左耳听力下降,头向左侧变动体位时可闻及响声,随后出现眩晕,表现为天旋地转样,伴步态不稳、似踩棉花感、注意力减退,不伴耳痛、耳溢液,不伴黑朦、恶心、呕吐、冷汗、手脚麻木。遂于当地医院就诊,完善头部CT未见明显异常,予以甘露醇、倍他司汀治疗未见明显好转。患者为求进一步治疗就诊我院,门诊颞骨CT见左侧前庭积气。A case of traumatic incudostapedial joint dislocation with stapes footplate into the vestibular window and pneumolabyrinth patient history.Patients mainly presented with vertigo,hearing loss in the left ear,audible sound when the head was shifted to the left,and subsequent vertigo,manifested as a spiral rotation,accompanied by gait instability,a feeling of stepping on cotton,and decreased attention.Pure tone audiometry showed mixed hearing loss in the left ear and temporal bone CT demonstrated air density in the left vestibule.Then,the patient underwent exploratory tympanotomy,which found the incudostapedial joint dislocation and stapes footplate into the vestibular window.According to the patient’s history of head trauma,temporal bone CT,and exploratory tympanotomy can be diagnosed as:pneumolabyrinth,traumatic ossicular injury.

关 键 词：外伤 颞骨 骨折 气迷路 

分 类 号：R764.8[医药卫生—耳鼻咽喉科]