ArticleCalcified tissue international2023
Cholesteatoma Severely Impacts the Integrity and Bone Material Quality of the Incus.
Article in Calcified tissue international, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 6 citations in OpenAlex.
- Middle ear cholesteatoma: biological basis, invasiveness heterogeneity, and challenges in severity assessment.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2026Review
- Benign, persistent, and invasive: mechanistic and translational approaches to middle‑ear cholesteatoma.Exploration of targeted anti-tumor therapy · 2026Review
- Correlation analysis between CT values of cochlear bone labyrinth and auditory function and disease progression in patients with chronic suppurative otitis media.Frontiers in medicine · 2026Article
- Improvements in hearing loss with bone-targeted enzyme replacement therapy are associated with corrected hypomineralization and osteocyte properties of auditory ossicles in Enpp1-deficient mice.Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2025Article
- A clinical predictive model for hearing recovery after middle ear cholesteatoma surgery based on machine learning.Frontiers in neurology · 2025Article
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cholesteatoma can lead to progressive destruction of the auditory ossicles along with conductive hearing loss but precise data on the microstructural, cellular, and compositional aspects of affected ossicles are not available. Here, we obtained incus specimens from patients who had cholesteatoma with conductive hearing loss. Incudes were evaluated by micro-computed tomography, histomorphometry on undecalcified sections, quantitative backscattered electron imaging, and nanoindentation. Results were compared with two control groups taken from patients with chronic otitis media as well as from skeletally intact donors at autopsy. The porosity of incus specimens was higher in cholesteatoma than in chronic otitis media, along with a higher osteoclast surface per bone surface. Histomorphometric assessment revealed higher osteoid levels and osteocyte numbers in cholesteatoma incudes. Incudes affected by cholesteatoma also showed lower matrix mineralization compared with specimens from healthy controls and chronic otitis media. Furthermore, the modulus-to-hardness ratio was higher in cholesteatoma specimens compared with controls. Taken together, we demonstrated increased porosity along with increased osteoclast indices, impaired matrix mineralization, and altered biomechanical properties as distinct features of the incus in cholesteatoma. Based on our findings, a possible impact of impaired bone quality on conductive hearing loss should be further explored.
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