Association of the superior semicircular canal and tegmen tympani dehiscences and its relationship with the pneumatisation of the temporal bone

Whyte-Orozco, J. (Universidad de Zaragoza) ; Cisneros-Gimeno, A. I. (Universidad de Zaragoza) ; García-Barrios, A. (Universidad de Zaragoza) ; Lozano-Langarita, M. E. ; Whyte-Orozco, A. (Universidad de Zaragoza) ; Rubio-Aranda, E. (Universidad de Zaragoza)

Resumen: To analyse the degree of pneumatisation of the temporal bone when there is an association between dehiscence of the superior semicircular canal and dehiscence of the tegmen tympani.

Materials and methods
We analysed a retrospective CT study of 124 selected cases. A single inclusion criterion was applied: the presence of a dehiscence of the tegmen tympani. On the other hand, the degree of temporal pneumatisation was assessed by axial and coronal planes, and has been divided into the following grades O, I, II and III, according to the status and relationship of the mastoid, the bony labyrinth, the petrous segment of the carotid canal and sigmoid sinus.

Results
Of the 124 cases studied, 35 (28.2%) presented both dehiscences. In 26 of the 35 (47.3%), grade II pneumatisation, 4 (14,8%), grade I, and 5 (11,9%) grade III was observed, with a statistically significant relationship (p < 0.001). On the other hand, we did not find a significant relationship when relating both dehiscences in any age or sex group. However, when relating the degree of pneumatisation to sex, among those with grade III pneumatisation, the proportion of men (52.4%) was significantly higher than that of women (47.6%) (p = 0.017).

Conclusion
We have detected a statistically significant relationship between the coexistence of grade II pneumatisation and the presence of both dehiscences in the temporal bone.

Idioma: Inglés

DOI: 10.1007/s00405-023-08243-y

Año: 2024

Publicado en: EUROPEAN ARCHIVES OF OTO-RHINO-LARYNGOLOGY 281 (2024), 1267–1272
ISSN: 0937-4477

Factor impacto JCR: 2.2 (2024)

Categ. JCR: OTORHINOLARYNGOLOGY rank: 15 / 67 = 0.224 (2024) - Q1 - T1

Factor impacto CITESCORE: 4.5 - Otorhinolaryngology (Q1)

Factor impacto SCIMAGO: 0.787 - Otorhinolaryngology (Q1) - Medicine (miscellaneous) (Q2)

Tipo y forma: Article (Published version)

Área (Departamento): Area Anatom.Embriol.Humana (Dpto. Anatom.Histolog.Humanas)
Área (Departamento): Área Medic.Prevent.Salud Públ. (Dpto. Microb.Ped.Radio.Sal.Pú.)
Área (Departamento): Área Medicina y Cirugía Animal (Dpto. Patología Animal)