Head and Neck Imaging
To Investigate the Value of HRCT in the Diagnosis of Superior Semicircular Canal Bony Dehiscence
Author：WANG Kun
affiliation： Nanjing Gulou Hospital Affiliated to Nanjing University School of Medicine, Nanjing 210008, Jiangsu Province, China
PDFAbstract
Objective To explore the imaging performance and characteristics of superior semicircular canal bony dehiscence with HRCT. Methods A retrospective study was conducted on 10 patients who were clinically diagnosed as superior semicircular canal bony dehiscence with HRCT images and observed the morphology, location and relationship with the surrounding structures and analysis of the imaging manifestations. Results 10 cases of patients were on axial HRCT image display part of the bone defect, 8 cases of unilateral (right side in 6 cases, 2 cases of left), and 2 cases were bilateral, unilateral to the majority of the right ear, accounted for 75%. Which 5 cases is located at the top of the wall side, 2 cases is located at the top of the anterolateral wall, 2 cases occurred at the top of the wall in the center, 1 case in the ampullary region, the lesions located near the arcuate eminence of temporal bone (90%), other parts of the rare (10%). Conclusion HRCT has an important value in the diagnosis of superior semicircular canal bony dehiscence.
【Keyword】 Superior Semicircular Canal; X-ray Computed, Tomography
【Chart number】R322.7+1
【Document Identification Number】A
【DOI】10.3969/j.issn.1672- 5131.2017.01.036
Chinese journal of CT and MRI
th15Volume， th 1 Issue
2017Year01Month
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