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J Neurol Surg B Skull Base 2021; 82(02): 251-257
DOI: 10.1055/s-0039-1697026
Original Article

Can an Imaging Marker of Consistency Predict Intraoperative Experience and Clinical Outcomes for Vestibular Schwannomas? A Retrospective Review

Robert J. Macielak
1   Department of Otolaryngology – Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, United States
,
Michael S. Harris
2   Department of Otolaryngology & Communication Sciences, Medical College of Wisconsin, Milwaukee, Wisconsin, United States
,
Jameson K. Mattingly
3   Department of Otolaryngology – Head & Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
,
Varun S. Shah
4   College of Medicine, The Ohio State University, Columbus, Ohio, United States
,
Luciano M. Prevedello
5   Department of Radiology, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
,
Oliver F. Adunka
3   Department of Otolaryngology – Head & Neck Surgery, The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
› Institutsangaben Support This work was supported by The Ohio State University College of Medicine Bennett research scholarship (RJM).
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Abstract

Objective The main purpose of this article is to determine if vestibular schwannoma consistency as determined by tissue intensity on T2-weighted magnetic resonance imagings (MRIs) is predictive of intraoperative experience and postoperative clinical outcomes.

Study Design Retrospective chart review.

Setting Tertiary referral center.

Patients Seventy-seven patients diagnosed with vestibular schwannomas who were treated with microsurgical resection.

Intervention Diagnostic.

Main Outcome Measures Intraoperative measures include totality of resection, surgical time and cranial nerve VII stimulation and postoperative measures include House–Brackmann grade and perioperative complications.

Results Tumor consistency determined via tissue intensity on MRI was only found to correlate with surgical time, with a softer tumor being associated with a longer surgical time (p < 0.0001). However, this was primarily driven by tumor volume with larger tumors being associated with longer surgical time based on multivariate analysis. None of the other intraoperative or postoperative measures considered were found to correlate with tumor consistency.

Conclusions Tumor consistency determined by MRI is not predictive of intraoperative experience or postoperative outcomes in vestibular schwannomas. Tumor volume is the strongest driver of these outcome measures as opposed to tumor consistency.

Keywords

vestibular schwannoma - consistency - clinical outcomes


Publikationsverlauf

Eingereicht: 03. Februar 2019

Angenommen: 28. Juli 2019

Artikel online veröffentlicht:
24. September 2019

© 2019. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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