高分辨率螺旋CT对多导人工耳蜗植入的评估  

CT Evaluation of Multichannel Cochlear Implantation

作　　者：徐学东[1] 

机构地区：[1]第一军医大学珠江医院耳鼻咽喉科,广州510282

出　　处：《听力学及言语疾病杂志》2004年第2期87-88,共2页Journal of Audiology and Speech Pathology

摘　　要：目的　探讨CT检查对人工电子耳蜗植入术前、术后评估的价值。方法　对 4 4例感音性聋患者均采用颞骨轴位高分辨率CT螺旋扫描及内耳三维重建。结果　 32例语前聋患者中检出 1例 (2耳 )Mondini畸形Ⅰ型 ,2例 (4耳 )Mondini畸形Ⅱ型 ;12例语后聋患者中检出 2例 (4耳 )慢性化脓性中耳炎 ,1例 (2耳 )内耳骨化 ,1例 (2耳 )耳硬化症 ,3例 (6耳 )大前庭水管综合征。CT检出 1例术后植入电极扭结并感染。结论　CT检查对人工耳蜗植入术前病例的选择、术后植入电极的观察以及并发症的检出均具有重要价值。Objective To investigate the value of CT as preoperative and postoperative imaging technique for cochlear implant candidates.Methods Axial high-resolution temporal bone CT and three-dimensional reconstruction of inner ear were performed in 44 patients with sensorineural hearing loss. Cochlear view radiography was performed routinely in postoperation cases. CT scanning was performed in 3 postoperation cases.Results There were 1 case (2 ears) with Mondini malformation type Ⅰ, 2 case (4 ears)with Mondini malformation type Ⅱ in 32 patients with prespeech deafness. There were 2 case (4 ears) with chronic suppurative otitis meadia, 1 case (2 ears) with inner ear ossification,3 cases (6 ears)with large vestibular aqueduct syndrome,1 case (2 ear)with cochlear sclerosis in 12 patients with postspeech deafness. 1 case with intracochlear electrode knot and otitis meadia was found by CT.Conclusion CT plays an important role in selecting patients, observing implanted electrode and finding postoperative complication.

关 键 词：人工电子耳蜗植入术 内耳 螺旋CT 评估 感音性聋 

分 类 号：R816.96[医药卫生—放射医学]