Facial nerve canal dehiscence in chronic otitis media without cholesteatoma

Nomiya, Shigenobu; Kariya, Shin; Nomiya, Rie; Morita, Norimasa; Nishizaki, Kazunori; Paparella, Michael M.; Cüreoğlu, Sebahattin

doi:10.1007/s00405-013-2431-2

Cited by 16 publications

(10 citation statements)

References 16 publications

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“…In early childhood, middle ear inflammations may barely influence the development of the facial canal. 7 Almost surgical reports regarding facial canal destruction have been conducted commonly with patients who have undergone chronic otitis surgery with or without cholesteatoma. 8 The incidence of facial canal destruction ranges from 0.5% to 74%, and is mostly higher in histologic studies than in surgical studies.…”

Section: Discussionmentioning

confidence: 99%

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Relation between Ossicular Erosion and Destruction of Facial and Lateral Semicircular Canals in Chronic Otitis Media

Bulğurcu¹,

Arslan²,

Dikilitaş³

et al. 2016

Int Arch Otorhinolaryngol

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Introduction Chronic otitis media can cause multiple middle ear pathogeneses. The surgeon should be aware of relation between ossicular chain erosion and other destructions because of the possibility of complications. Objective This study aimed to investigate the rates of ossicular erosion in cases of patients with and without facial nerve canal destruction, who had undergone mastoidectomy due to chronic otitis media with or without cholesteatoma. Methods We retrospectively analyzed three hundred twenty-seven patients who had undergone tympanomastoidectomy between April 2008 and February 2014. We documented the types of mastoidectomy (canal wall up, canal wall down, and radical mastoidectomy), erosion of the malleus, incus and stapes, and the destruction of facial and lateral semi-circular canal. Results Out of the 327 patients, 147 were women (44.95%) and 180 were men (55.04%) with a mean age 50.8 ± 13 years (range 8–72 years). 245 of the 327 patients (75.22%) had been operated with the diagnosis of chronic otitis media with cholesteatoma. FNCD was present in 62 of the 327 patients (18.96%) and 49 of these 62 (79.03%) patients had chronic otitis media with cholesteatoma. The correlation between the presence of FNCD with LSCC destruction and stapes erosion in chronic otitis media with cholesteatoma is statistically significant ( p < 0.05). Conclusion Although incus is the most common of destructed ossicles in chronic otitis media, facial canal destruction is more closely related to stapes erosion.

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Section: Discussionmentioning

confidence: 99%

“…In early childhood, middle ear inflammations may barely influence the development of the facial canal. 7 …”

Section: Discussionmentioning

confidence: 99%

Relation between Ossicular Erosion and Destruction of Facial and Lateral Semicircular Canals in Chronic Otitis Media

Bulğurcu¹,

Arslan²,

Dikilitaş³

et al. 2016

Int Arch Otorhinolaryngol

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“…4 There are several studies on facial nerve canal dehiscence (FCD) and COM in the literature. [4][5][6] However, a heterogeneity is found in these literature in terms of cholesteatoma spread and cholesteatoma presence. Also, limited data are found in the literature about the relationship between FCD and other damaged anatomical structures in cases with cholesteatoma.…”

Section: Introductionmentioning

confidence: 99%

Cautionary Findings for the Presence of Facial Canal Dehiscence During Cholesteatoma Surgery

et al. 2019

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Our aim was to investigate the relationship between facial canal dehiscence (FCD) and surgical findings and procedures in patients with cholesteatoma. A total of 186 patients (118 males, 39.2 ± 15 years) who underwent surgery for advanced cholesteatoma between 2013 and 2018 were included in the study. The relationship between FCD and surgical findings was investigated via the surgical registries. The prevalence of FCD was 36.6% (68/186). The prevalence of FCD was 44%, and 13.2% for the patients who underwent canal wall down mastoidectomy (62/141) and canal wall up mastoidectomy (6/45), respectively ( P < .001). Facial canal dehiscence was detected in 73.9% of the 23 patients who had a lateral semicircular canal (LSCC) defect ( P < .001), in 61.9% of 21 patients who had a tegmen tympani defect, and in 58.1% of the 31 patients who had erosion on the posterior wall of the external auditory canal (EAC; P < .05). The prevalence of FCD was 3.1% in patients with isolated incus erosion, 59.1% in patients with erosion of malleus and incus, 60.7% in patients with erosion of stapes suprastructure and incus, and 43.2% in patients with whole ossicular chain deformation ( P < .001). The defects on LSCC, EAC, tegmen tympani, and malleus and incus might be cautionary findings for the presence of FCD during cholesteatoma surgery.

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“…The incidence of dehiscence was more common in women but the results were not statistically significant. Nomiya et al [15] reported the high incidence of facial nerve canal dehiscence in chronic otitis media. The incidence was 88.2% in the group of subjects aged under four years, and was 68.9% in the group of subjects aged four years and older.…”

Section: Discussionmentioning

confidence: 99%

The Incidence of Dehiscence of the Tympanic Segment of the Facial Nerve Canal Estimated With Computed Tomography

Bulja¹,

Stojanov²,

Ignjatović³

et al. 2016

RAD Conference Proceedings

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Abstract. In this study, we aimed to determine the presence and incidence of dehiscence of the tympanic segment of the facial nerve canal using the High Resolution Computed Tomography (HRCT) and to evaluate this variation in relation to gender and age. The retrospective-prospective study was performed at the Clinic for Radiology, University Clinical Center of Sarajevo. After the criteria for participation and non-participation in the study were applied, the study included 295 patients (160 women and 135 men) of ages ranging from 5 to 75, with performed computed tomography (CT) of the temporal bone as a part of a standard procedure due to the suspicion of pathological activity in that area. We divided the subjects into seven age groups. Each group included a ten-year period. The presence of dehiscence of the facial nerve canal was recorded and the obtained results were statistically analyzed. Of the total number of patients included in the study, the dehiscence of the tympanic segment of the facial nerve canal was found in 95 patients (32%). Of 590 temporal bones, there were 118 temporal bones with facial nerve canal dehiscence in the tympanic segment (20%). The dehiscence without stenosis of the oval window was noted in 110 temporal bones (18.6%). The dehiscence with stenosis of the oval window was noted in 8 temporal bones (1.4%). There was no statistically significant difference between age groups (p=0.245, Pearson's χ2 test). Also, there was no statistically significant difference between males and females (p=0.385, Pearson's χ2 test). The incidence of dehiscence of the facial nerve canal is high and the tympanic segment is the most frequent site of dehiscence localization. Almost one third of the patients with the suspicion of pathological processes on the temporal bone can have dehiscence of the tympanic segment of the facial nerve canal. HRCT is the best visual imaging technique for the evaluation of the facial nerve course within its osseous canal.

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Facial nerve canal dehiscence in chronic otitis media without cholesteatoma

Cited by 16 publications

References 16 publications

Relation between Ossicular Erosion and Destruction of Facial and Lateral Semicircular Canals in Chronic Otitis Media

Relation between Ossicular Erosion and Destruction of Facial and Lateral Semicircular Canals in Chronic Otitis Media

Cautionary Findings for the Presence of Facial Canal Dehiscence During Cholesteatoma Surgery

The Incidence of Dehiscence of the Tympanic Segment of the Facial Nerve Canal Estimated With Computed Tomography

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