Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study

Abstract BackgroundAccurate monitoring of tumor progression is crucial for optimizing outcomes in neurofibromatosis type 2–related schwannomatosis. Standard 2D linear analysis on magnetic resonance imaging is less accurate than 3D volumetric analysis, but since 3D volumetric a...

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Main Authors: Shelby T Desroches, Alice Huang, Rithvik Ghankot, Steven M Tommasini, Daniel H Wiznia, Frank D Buono
Format: Article
Language:English
Published: JMIR Publications 2025-07-01
Series:JMIR Human Factors
Online Access:https://humanfactors.jmir.org/2025/1/e71728
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author Shelby T Desroches
Alice Huang
Rithvik Ghankot
Steven M Tommasini
Daniel H Wiznia
Frank D Buono
author_facet Shelby T Desroches
Alice Huang
Rithvik Ghankot
Steven M Tommasini
Daniel H Wiznia
Frank D Buono
author_sort Shelby T Desroches
collection DOAJ
description Abstract BackgroundAccurate monitoring of tumor progression is crucial for optimizing outcomes in neurofibromatosis type 2–related schwannomatosis. Standard 2D linear analysis on magnetic resonance imaging is less accurate than 3D volumetric analysis, but since 3D volumetric analysis is time-consuming, it is not widely used. To shorten the time required for 3D volumetric analysis, our lab has been developing an automated artificial intelligence–driven 3D volumetric tool. ObjectiveThe objective of the study was to survey and interview clinicians treating neurofibromatosis type 2–related schwannomatosis to understand their views on current 2D analysis and to gather insights for the design of an artificial intelligence–driven 3D volumetric analysis tool. MethodsInterviews examined for the following themes: (1) shortcomings of the currently used linear analysis, (2) utility of 3D visualizations, (3) features of an interactive 3D modeling software, and (4) lack of a gold standard to assess the accuracy of 3D volumetric analysis. A Likert scale questionnaire was used to survey clinicians’ levels of agreement with 25 statements related to 2D and 3D tumor analyses. ResultsA total of 14 clinicians completed a survey, and 12 clinicians were interviewed. Specialties ranged across neurosurgery, neuroradiology, neurology, oncology, and pediatrics. Overall, clinicians expressed concerns with current linear techniques, with clinicians agreeing that linear measurements can be variable with the possibility of two different clinicians calculating 2 different tumor sizes (mean 4.64, SD 0.49) and that volumetric measurements would be more helpful for determining clearer thresholds of tumor growth (mean 4.50, SD 0.52). For statements discussing the capabilities of a 3D volumetric analysis and visualization software, clinicians expressed strong interest in being able to visualize tumors with respect to critical brain structures (mean 4.36, SD 0.74) and in forecasting tumor growth (mean 4.77, SD 0.44). ConclusionsClinicians were overall in favor of the adoption of 3D volumetric analysis techniques for measuring vestibular schwannoma tumors but expressed concerns regarding the novelty and inexperience surrounding these techniques. However, clinicians felt that the ability to visualize tumors with reference to critical structures, to overlay structures, to interact with 3D models, and to visualize areas of slow versus rapid growth in 3D would be valuable contributions to clinical practice. Overall, clinicians provided valuable insights for designing a 3D volumetric analysis tool for vestibular schwannoma tumor growth. These findings may also apply to other central nervous system tumors, offering broader utility in tumor growth assessments.
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spelling doaj-art-43a7455a7b264c3ba79efb1bd58de2962025-08-20T03:40:41ZengJMIR PublicationsJMIR Human Factors2292-94952025-07-0112e71728e7172810.2196/71728Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot StudyShelby T Desrocheshttp://orcid.org/0009-0003-1006-602XAlice Huanghttp://orcid.org/0009-0000-8236-3056Rithvik Ghankothttp://orcid.org/0009-0001-8732-8011Steven M Tommasinihttp://orcid.org/0000-0001-5118-5867Daniel H Wizniahttp://orcid.org/0000-0003-3987-0364Frank D Buonohttp://orcid.org/0000-0003-1324-7857 Abstract BackgroundAccurate monitoring of tumor progression is crucial for optimizing outcomes in neurofibromatosis type 2–related schwannomatosis. Standard 2D linear analysis on magnetic resonance imaging is less accurate than 3D volumetric analysis, but since 3D volumetric analysis is time-consuming, it is not widely used. To shorten the time required for 3D volumetric analysis, our lab has been developing an automated artificial intelligence–driven 3D volumetric tool. ObjectiveThe objective of the study was to survey and interview clinicians treating neurofibromatosis type 2–related schwannomatosis to understand their views on current 2D analysis and to gather insights for the design of an artificial intelligence–driven 3D volumetric analysis tool. MethodsInterviews examined for the following themes: (1) shortcomings of the currently used linear analysis, (2) utility of 3D visualizations, (3) features of an interactive 3D modeling software, and (4) lack of a gold standard to assess the accuracy of 3D volumetric analysis. A Likert scale questionnaire was used to survey clinicians’ levels of agreement with 25 statements related to 2D and 3D tumor analyses. ResultsA total of 14 clinicians completed a survey, and 12 clinicians were interviewed. Specialties ranged across neurosurgery, neuroradiology, neurology, oncology, and pediatrics. Overall, clinicians expressed concerns with current linear techniques, with clinicians agreeing that linear measurements can be variable with the possibility of two different clinicians calculating 2 different tumor sizes (mean 4.64, SD 0.49) and that volumetric measurements would be more helpful for determining clearer thresholds of tumor growth (mean 4.50, SD 0.52). For statements discussing the capabilities of a 3D volumetric analysis and visualization software, clinicians expressed strong interest in being able to visualize tumors with respect to critical brain structures (mean 4.36, SD 0.74) and in forecasting tumor growth (mean 4.77, SD 0.44). ConclusionsClinicians were overall in favor of the adoption of 3D volumetric analysis techniques for measuring vestibular schwannoma tumors but expressed concerns regarding the novelty and inexperience surrounding these techniques. However, clinicians felt that the ability to visualize tumors with reference to critical structures, to overlay structures, to interact with 3D models, and to visualize areas of slow versus rapid growth in 3D would be valuable contributions to clinical practice. Overall, clinicians provided valuable insights for designing a 3D volumetric analysis tool for vestibular schwannoma tumor growth. These findings may also apply to other central nervous system tumors, offering broader utility in tumor growth assessments.https://humanfactors.jmir.org/2025/1/e71728
spellingShingle Shelby T Desroches
Alice Huang
Rithvik Ghankot
Steven M Tommasini
Daniel H Wiznia
Frank D Buono
Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
JMIR Human Factors
title Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
title_full Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
title_fullStr Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
title_full_unstemmed Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
title_short Clinician Perspectives of a Magnetic Resonance Imaging–Based 3D Volumetric Analysis Tool for Neurofibromatosis Type 2–Related Schwannomatosis: Qualitative Pilot Study
title_sort clinician perspectives of a magnetic resonance imaging based 3d volumetric analysis tool for neurofibromatosis type 2 related schwannomatosis qualitative pilot study
url https://humanfactors.jmir.org/2025/1/e71728
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