RT Journal T1 A study on the relationship between mastoid pneumatization degree and endolymphatic sac development based on a propensity score matching analysis A1 HAN Shuhui, FAN Xintai, WANG Na, WANG Zhe, HOU Lingxiao, XU Anting PB Journal of Otolaryngology and Ophthalmology of Shandong University FD 2022-07-20 YR 2022 JF Journal of Otolaryngology and Ophthalmology of Shandong University JO Journal of Otolaryngology and Ophthalmology of Shandong University VO 36 IS 4 SP 22 DO 10.6040/j.issn.1673-3770.0.2021.369 K1 Endolymphatic sac development;Degree of mastoid pneumatization;The shortest distance between the middle of the posterior semicircular canal and the posterior edge of the posterior petrous surface;Propensity score matching;Gem energy spectrum CT LK {http://ebhyxbwk.njournal.sdu.edu.cn/EN/article/article_3029.shtml}