Meningeal tumors histologically mimicking meningioma

Valeria Barresi1, Maria Caffo, Giovanni Branca

  • 1Department of Human Pathology, Section of Pathological Anatomy, University of Messina, Italy. vbarresi@unime.it

Insights

Meningiomas can be mimicked by other meningeal tumors, making accurate diagnosis crucial. This review highlights non-meningothelial tumors that resemble meningiomas histologically, aiding in correct patient management.

Area of Science:

  • Neuropathology
  • Neurosurgery
  • Oncology

Background:

  • Meningiomas are common primary tumors of the central nervous system arising from the meninges.
  • Various neoplastic lesions can radiologically and clinically mimic meningioma.
  • Accurate differentiation is essential for appropriate patient prognosis and therapeutic strategies.

Purpose of the Study:

  • To review meningeal non-meningothelial tumors that mimic meningioma.
  • To discuss histological and immunohistochemical features for differential diagnosis.
  • To emphasize the importance of recognizing these mimickers for correct diagnosis.

Main Methods:

  • Review of literature on meningeal neoplastic lesions.
  • Analysis of histological and immunohistochemical characteristics of non-meningothelial tumors.
  • Comparison of mimickers with various meningioma histotypes.

Main Results:

  • Several non-meningothelial tumors can present with features similar to meningioma.
  • Specific histological and immunohistochemical findings are key to distinguishing these lesions.
  • Failure to recognize these mimickers can lead to misdiagnosis.

Conclusions:

  • Awareness of meningeal non-meningothelial tumors that mimic meningioma is critical.
  • Differential diagnosis relies on careful histological and immunohistochemical examination.
  • Correct identification ensures appropriate treatment and improves patient outcomes.

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