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Magnetic resonance image manifestations of the atypical meningioma

Qing-Wu Wu1, Rui-Fang Yan, Qiang Li

  • 1Department of Medical Imaging, the First Affiliated Hospital of Xinxiang Medical University, Weihui, Henan, China

Asian Pacific Journal of Cancer Prevention : APJCP
|January 1, 2014
PubMed

Insights

Magnetic resonance imaging (MRI) is valuable for diagnosing atypical meningiomas. This study highlights MRI

Area of Science:

  • Neurology
  • Radiology
  • Oncology

Background:

  • Atypical meningiomas are challenging to diagnose preoperatively.
  • Accurate preoperative diagnosis is crucial for effective treatment planning and prognosis.

Purpose of the Study:

  • To evaluate the diagnostic value of magnetic resonance imaging (MRI) for atypical meningiomas.
  • To improve the accuracy of preoperative diagnosis of atypical meningiomas.

Main Methods:

  • Retrospective analysis of 13 atypical meningioma cases.
  • Review of magnetic resonance imaging (MRI) findings including location, morphology, and signal characteristics.
  • Correlation of imaging findings with pathological and surgical confirmation.

Main Results:

  • Most atypical meningiomas occurred at typical locations (10/13).
  • Common MRI features included T1 and T2 isointensity signals, necrosis, calcification, and peritumoral edema.
  • Dural tail sign was present in 9 cases; accurate localization was achieved in 12/13 cases.

Conclusions:

  • MRI demonstrates high diagnostic value for atypical meningiomas.
  • MRI plays a significant role in early clinical diagnosis, treatment guidance, and prognosis assessment.

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