Abstract: Abstract: Objective To evaluate malformation of inner ear using HRCT. Methods 35 patients diagnosed malformation of inner ear radiological were collected in our study from Mar 2008 to Mar 2010. Results 8 cases had cochlea malformation ;18 cases had malformation of enlargement of vestibular aqueduct ; 2 case had vestibular malformation with enlargement of vestibular aqueduct , 7 cases had abnormal internal auditory canal. Conclusion HRCT is a good modality to show the malformation of inner ear.

Key words: High Resolution, Computerized Tomography(HRCT), inner ear malformation