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Published on: May 23, 2021
Reconstruction of the mastoid using a titanium cage
Konrad Schwager1, Jonas Zirkler
1*Department of Oto-Rhino-Laryngology, Head and Neck Surgery, Klinikum Fulda gAG, Academic Teaching Hospital, Philipps University of Marburg, Fulda, Germany; and †Department of Oto-Rhino-Laryngology, Head and Neck Surgery, Martin Luther University of Halle-Wittenberg, Halle, Germany.
A titanium mesh cage effectively reconstructed the posterior canal wall and mastoid cavity after cholesteatoma removal. This method demonstrated excellent biocompatibility and stability, offering a viable solution for complex ear surgeries.
Area of Science:
- Otolaryngology
- Biomaterials Engineering
- Surgical Reconstruction
Background:
- Cholesteatoma removal, particularly with the canal wall-down technique, often necessitates reconstruction of the posterior auditory canal wall and mastoid cavity.
- Traditional reconstruction methods using cartilage alone may have limitations in providing structural integrity and long-term stability.
Purpose of the Study:
- To evaluate the efficacy and biocompatibility of using a titanium mesh metal cage for posterior canal wall and mastoid reconstruction following cholesteatoma removal.
- To assess the long-term outcomes and potential complications associated with this reconstructive technique.
Main Methods:
- A titanium mesh metal cage was employed to reconstruct the posterior auditory canal wall and mastoid cell system in 12 patients undergoing cholesteatoma removal.
- The titanium cage was subsequently covered with cartilage to achieve soft tissue reconstruction.
Main Results:
- Complete epithelialization of all reconstructions was achieved without any signs of titanium material denudation or extrusion.
- Cholesteatoma recurrences were observed in two cases, attributed to the underlying disease pathology rather than the reconstructive material.
- The titanium cage demonstrated good biocompatibility within the middle ear space.
Conclusions:
- Titanium mesh cages offer a versatile and biocompatible solution for reconstructing large defects in the posterior canal wall and mastoid cavity.
- This technique provides a stable construction, particularly beneficial in revision cases or when adhesive tensions require robust support.
- The titanium cage shows promise as an effective tool for complex ear surgeries requiring structural reconstruction.

