J Otolaryngol Ophthalmol Shandong Univ ›› 2018, Vol. 32 ›› Issue (4): 14-16.doi: 10.6040/j.issn.1673-3770.0.2017.538

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Analysis of tympanic sinus CT classification and surgical procedure in management of otitis media

CHEN Tao1, LIU Shanping2, LU Yongtian1   

  1. Department of Medical Imaging, Affiliated Xintai Hospital of Taishan Medical University, Xintai 271200, Shandong, China
  • Received:2017-12-22 Online:2018-07-20 Published:2018-07-20

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Abstract: Objective Retrospective analysis of tympanic sinus computed tomography(CT)classification(the relationship between the tympanic sinus and the facial nerve)in 90 ears with otitis media to explore the indications of endoscopic and microscopic surgery for the treatment of posterior tympanic disease. Methods Preoperative CT examinations of 90 ears with otitis media were retrospectively reviewed and classified. CT classifications were summarized, and the numbers and proportions of each type were analyzed. Results CT examinations of 90 ears with otitis media were classified as follows: type A, 43 ears(47.78%); type B, 45 ears(50%); and type C, two ears(2.22%). Conclusion Tympanic sinuses of types A and B are predominant; thus, endoscopic middle ear surgery is suitable for most cases of otitis media. However, microscopic surgery remains the best approach for tympanic sinuses of type C.

Key words: Facial nerve, X-ray computed tomography, Sinus tympani

CLC Number: 

  • R764
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