Intra-axial primary brain tumor differentiation: comparing large language models on structured MRI reports vs. radiologists on images - Summary - MDSpire

Intra-axial primary brain tumor differentiation: comparing large language models on structured MRI reports vs. radiologists on images

  • By

  • Takeshi Nakaura

  • Hiroyuki Uetani

  • Naofumi Yoshida

  • Naoki Kobayashi

  • Yasunori Nagayama

  • Masafumi Kidoh

  • Jun-Ichiro Kuroda

  • Akitake Mukasa

  • Toshinori Hirai

  • August 22, 2025

  • 0 min

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Objective:

To evaluate the potential of large language models (LLMs) as assistive tools in differentiating intra-axial primary brain tumors using structured MRI reports, particularly in comparison to radiologists interpreting images.

Key Findings:
  • Structured MRI reports provide reliable data for LLMs to assist in tumor differentiation, with varying capabilities observed.
  • LLMs demonstrated varying capabilities in generating differential diagnoses based on structured reports, indicating a need for further evaluation.
  • The study highlights the potential integration of LLMs into clinical workflows for brain tumor diagnosis, suggesting a promising avenue for future research.
Interpretation:

The findings suggest that LLMs can be valuable tools in the diagnostic process for intra-axial primary brain tumors, particularly when utilizing structured MRI reports.

Limitations:
  • The study is retrospective and may not capture all clinical scenarios, potentially introducing selection bias.
  • LLMs' performance may vary based on the quality and detail of structured reports, which could affect diagnostic accuracy.
  • The evolving nature of diagnostic guidelines may affect LLM adaptability, necessitating ongoing updates to the models.
Conclusion:

This study underscores the potential of LLMs in enhancing the diagnostic accuracy of intra-axial primary brain tumors through structured MRI reports, warranting further research to explore their integration into clinical practice.

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