Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery

BACKGROUND: The aim of this article is to determine the efficacy of otoendoscopy during microscopic cholesteatoma surgery on residual cholesteatoma rates postoperatively. METHODS: The medical records of patients (aged 4-90) with primary acquired cholesteatoma who underwent microscopic cholesteato...

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Main Authors: Floor Couvreur, Elke Loos, Christian Desloovere, Nicolas Verhaert
Format: Article
Language:English
Published: AVES 2024-05-01
Series:Journal of International Advanced Otology
Online Access:https://www.advancedotology.org/en/efficacy-of-otoendoscopy-for-residual-cholesteatoma-detection-during-microscopic-chronic-ear-surgery-131922
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author Floor Couvreur
Elke Loos
Christian Desloovere
Nicolas Verhaert
author_facet Floor Couvreur
Elke Loos
Christian Desloovere
Nicolas Verhaert
author_sort Floor Couvreur
collection DOAJ
description BACKGROUND: The aim of this article is to determine the efficacy of otoendoscopy during microscopic cholesteatoma surgery on residual cholesteatoma rates postoperatively. METHODS: The medical records of patients (aged 4-90) with primary acquired cholesteatoma who underwent microscopic cholesteatoma surgery (exclusively transcanal approach or canal wall-up tympano-mastoidectomy) with subsequent otoendoscopic examination (80 ears) for intraoperative cholesteatoma residues were retrospectively reviewed. All cases with mixed microscopic/endoscopic, fully endoscopic, or fully microscopic dissection were excluded, as well as cases where a canal wall-down technique was used. After microscopic cholesteatoma removal, the otoendoscope was used to inspect the middle ear recesses for intraoperative cholesteatoma residues. The intra- and postoperative cholesteatoma residue rate were evaluated. RESULTS: On endoscopic examination, intraoperative cholesteatoma residues were encountered in 24 patients (30%). A total of 30 foci were detected. Most of them were found in the superior retrotympanum (15 foci). In 9 cases an antral remnant guided the surgeon to convert to a canal wall up tympanomastoidectomy. During the postoperative follow-up period, residual cholesteatoma was detected on postoperative magnetic resonance imaging in 6 patients (7.5%). Adding an otoendoscopic examination to microscopic cholesteatoma surgery reduced the postoperative cholesteatoma residues rate (odds ratio=0.16). A negative otoendoscopic examination led to a cholesteatoma residue-free follow-up period in 95% of cases(NPV=0.95). CONCLUSION: Otoendoscopy is effective in identifying intraoperative cholesteatoma residues after microscopic cholesteatoma surgery. It reduces the postoperative cholesteatoma residue rate, and a negative otoendoscopic examination increases the likelihood of a cholesteatoma residue-free follow-up.
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spelling doaj-art-da4d6f1a25f449908b5e50e6f364cd372025-01-02T06:05:45ZengAVESJournal of International Advanced Otology2148-38172024-05-0120322523010.5152/iao.2024.231122Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear SurgeryFloor Couvreur0Elke Loos1Christian Desloovere2Nicolas Verhaert3Department of Otorhinolaryngology, Head and Neck Surgery, University Hospitals of Leuven, Leuven, BelgiumDepartment of Otorhinolaryngology, Head and Neck Surgery, University Hospitals of Leuven, Leuven, Belgium ; Department of Neurosciences, Research Group Experimental Oto-Rhino-Laryngology, Leuven, BelgiumDepartment of Otorhinolaryngology, Head and Neck Surgery, University Hospitals of Leuven, Leuven, Belgium ; Department of Neurosciences, Research Group Experimental Oto-Rhino-Laryngology, Leuven, BelgiumDepartment of Otorhinolaryngology, Head and Neck Surgery, University Hospitals of Leuven, Leuven, Belgium ; Department of Neurosciences, Research Group Experimental Oto-Rhino-Laryngology, Leuven, BelgiumBACKGROUND: The aim of this article is to determine the efficacy of otoendoscopy during microscopic cholesteatoma surgery on residual cholesteatoma rates postoperatively. METHODS: The medical records of patients (aged 4-90) with primary acquired cholesteatoma who underwent microscopic cholesteatoma surgery (exclusively transcanal approach or canal wall-up tympano-mastoidectomy) with subsequent otoendoscopic examination (80 ears) for intraoperative cholesteatoma residues were retrospectively reviewed. All cases with mixed microscopic/endoscopic, fully endoscopic, or fully microscopic dissection were excluded, as well as cases where a canal wall-down technique was used. After microscopic cholesteatoma removal, the otoendoscope was used to inspect the middle ear recesses for intraoperative cholesteatoma residues. The intra- and postoperative cholesteatoma residue rate were evaluated. RESULTS: On endoscopic examination, intraoperative cholesteatoma residues were encountered in 24 patients (30%). A total of 30 foci were detected. Most of them were found in the superior retrotympanum (15 foci). In 9 cases an antral remnant guided the surgeon to convert to a canal wall up tympanomastoidectomy. During the postoperative follow-up period, residual cholesteatoma was detected on postoperative magnetic resonance imaging in 6 patients (7.5%). Adding an otoendoscopic examination to microscopic cholesteatoma surgery reduced the postoperative cholesteatoma residues rate (odds ratio=0.16). A negative otoendoscopic examination led to a cholesteatoma residue-free follow-up period in 95% of cases(NPV=0.95). CONCLUSION: Otoendoscopy is effective in identifying intraoperative cholesteatoma residues after microscopic cholesteatoma surgery. It reduces the postoperative cholesteatoma residue rate, and a negative otoendoscopic examination increases the likelihood of a cholesteatoma residue-free follow-up.https://www.advancedotology.org/en/efficacy-of-otoendoscopy-for-residual-cholesteatoma-detection-during-microscopic-chronic-ear-surgery-131922
spellingShingle Floor Couvreur
Elke Loos
Christian Desloovere
Nicolas Verhaert
Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
Journal of International Advanced Otology
title Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
title_full Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
title_fullStr Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
title_full_unstemmed Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
title_short Efficacy of Otoendoscopy for Residual Cholesteatoma Detection During Microscopic Chronic Ear Surgery
title_sort efficacy of otoendoscopy for residual cholesteatoma detection during microscopic chronic ear surgery
url https://www.advancedotology.org/en/efficacy-of-otoendoscopy-for-residual-cholesteatoma-detection-during-microscopic-chronic-ear-surgery-131922
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