The Value of Multi-Row CT in Diagnosing of Otosclerosis
Chen Guangxing;Liu Junquan;Liu Guowen;Department of radiology,Zhuhai city NO.5 people's hospital;Department of imaging,Fogang county people's hospital;
Purpose: To evaluate the value of multi-row CT in diagnose otosclerosis. Materials and Methods: 30 patients with otosclerosis were confirmed by surgery underwent multi-row CT,and the CT features were retrospectively evaluated. Results: 54 temporal bones were abnormal. According to the position,three types of otosclerosis were classified( fenestral type,cochlear type and mixed type). 40 ears were fenestral type,vestibluar window involved in 30 ears,vestibluar window and cochlear window involved in 10 ears. 6 ears were cochlear type,bone around cochlear involved. 8 ears were mixed type,cochlear、vestibluar window、cochlear window and labyrinthinnerear involved,1 ear with high jugular fossa. Conclusion: Multi-row CT can clearly display the extension and position of otosclerosis,which provide important information before the operation.
【CateGory Index】： R764;R816.96