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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Oligoastrocytoma MRI

Introduction

Overview

Overview

Brain MRI is helpful in the diagnosis of oligoastrocytoma. On brain MRI, oligoastrocytoma is characterized by a mass which is typically hypointense on T1-weighted images and hyperintense on T2-weighted images. No enhancement is observed on gadolinium enhanced T1-weighted images.

MRI

MRI

  • Brain MRI may be helpful in the diagnosis of oligoastrocytoma.
  • Findings on MRI suggestive of oligoastrocytoma are shown below:[1]
MRI component Findings

T1

  • Typically hypointense

T2

  • Typically hyperintense

Gadolinium enhanced T1

  • No contrast enhancement
References

References

  1. ↑ Radiologic MRI features of oligoastrocytoma. Dr Bruno Di Muzio and Dr Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/oligoastrocytoma


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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]