Navigated, endoscopically controlled, transtympanic resection of an infracochlear cholesteastoma recurrence

Navigierte endoskopisch-kontrollierte transtympanale Resektion eines infracochleären Cholesteatomrezidivs


An infracochlear cholesteatoma of the petrous apex with direct contact to the internal carotid artery (ICA) is rare. Due to the risk of cochlear injury with consecutive deafness or injury of the ICA, precise preoperative planning of the approach and strategy is recommended, as well as thorough preoperative counseling of the patient for their informed consent. This case report presents navigated endoscopically controlled transtympanic resection of such a cholesteatoma recurrence. Hearing capacity was not impaired and the patient shows no signs of recurrence.

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Correspondence to M. C. Ketterer MD.

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Conflict of interest

M. C. Ketterer, S. Arndt, A. Knopf, T. F. Jakob, R. Beck and A. Aschendorff declare that they have no competing interests.

For this article no studies with human participants or animals were performed by any of the authors. All studies performed were in accordance with the ethical standards indicated in each case. Additional written informed consent was obtained from all individual participants or their legal representatives for whom identifying information is included in this article.

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M. Praetorius, Hamburg

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Ketterer, M.C., Arndt, S., Knopf, A. et al. Navigated, endoscopically controlled, transtympanic resection of an infracochlear cholesteastoma recurrence. HNO 69, 31–33 (2021).

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  • Endoscopic skull base surgery
  • Internal carotid artery
  • Navigation
  • Middle ear surgery
  • Inner ear surgery