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An exploratory study of imaging diagnostic clues for overhanging facial nerve in ultra-high-resolution CT.
Zhang, Zhengyu; Tang, Ruowei; Wu, Qian; Zhao, Pengfei; Yang, Zhenghan; Wang, Zhenchang.
Afiliación
  • Zhang Z; Department of Radiology, Beijing Friendship Hospital, Capital Medical University, 95 Yong An Road, Western District, Beijing, 100050, China.
  • Tang R; Department of Radiology, Beijing Friendship Hospital, Capital Medical University, 95 Yong An Road, Western District, Beijing, 100050, China.
  • Wu Q; Department of Otolaryngology, Head and Neck Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
  • Zhao P; Department of Radiology, Beijing Friendship Hospital, Capital Medical University, 95 Yong An Road, Western District, Beijing, 100050, China.
  • Yang Z; Department of Radiology, Beijing Friendship Hospital, Capital Medical University, 95 Yong An Road, Western District, Beijing, 100050, China.
  • Wang Z; Department of Radiology, Beijing Friendship Hospital, Capital Medical University, 95 Yong An Road, Western District, Beijing, 100050, China. cjr.wzhch@vip.163.com.
Eur Arch Otorhinolaryngol ; 280(8): 3643-3651, 2023 Aug.
Article en En | MEDLINE | ID: mdl-36847878
PURPOSE: Overhanging facial nerve (FN) may be challenging in imaging diagnosis. The purpose of the study is to investigate the imaging clues for overhanging FN near the oval window on ultra-high-resolution computed tomography (U-HRCT) images. METHODS: Between October 2020 and August 2021, images of 325 ears (276 patients) were included in the analysis obtained by an experimental U-HRCT scanner. On standard reformatted images, the morphology of FN was evaluated and its position was quantitatively measured using the following indices: protrusion ratio (PR), protruding angle (A), position of FN (P-FN), distance between FN and stapes (D-S), and distance between FN and anterior and posterior crura of stapes (D-AC and D-PC). According to the FN morphology in imaging, images were divided into overhanging FN group and non-overhanging FN group. Binary univariate logistic regression analysis was used to identify the imaging indices independently associated with overhanging FN. RESULTS: Overhanging FN was found in 66 ears (20.3%), which manifested as downwards protrusion of either local segment (61 ears, 61/66) or the entire course near the oval window (5 ears, 5/66). D-AC [odds ratio: 0.063, 95% CI 0.012-0.334, P = 0.001) and D-PC (odds ratio: 0.008, 95% CI 0.001-0.050, P = 0.000) were identified as independent predictors of FN overhang (area under the curve: 0.828 and 0.865, respectively). CONCLUSION: Abnormal morphology of the lower margin of FN, D-AC and D-PC on U-HRCT images provide valuable diagnostic clues for FN overhang.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oído Medio / Nervio Facial Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: Eur Arch Otorhinolaryngol Asunto de la revista: OTORRINOLARINGOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oído Medio / Nervio Facial Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Límite: Humans Idioma: En Revista: Eur Arch Otorhinolaryngol Asunto de la revista: OTORRINOLARINGOLOGIA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Alemania