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Review
, 54 (1), 45-63

Molecular Characteristics of Meningiomas

Affiliations
Review

Molecular Characteristics of Meningiomas

Young Suk Lee et al. J Pathol Transl Med.

Abstract

Meningioma is the most common primary intracranial tumor in adults. The grading of meningioma is based on World Health Organization criteria, which rely on histopathological features alone. This grading system is unable to conclusively predict the clinical behavior of these tumors (i.e., recurrence or prognosis in benign or atypical grades). Advances in molecular techniques over the last decade that include genomic and epigenomic data associated with meningiomas have been used to identify genetic biomarkers that can predict tumor behavior. This review summarizes the molecular characteristics of meningioma using genetic and epigenetic biomarkers. Molecular alterations that can predict meningioma behavior may be integrated into the upcoming World Health Organization grading system.

Keywords: Meningioma; Molecular diagnosis; Pathological diagnosis.

Conflict of interest statement

Conflicts of Interest

The authors declare that they have no potential conflicts of interest.

Figures

Fig. 1.
Fig. 1.
Overview of the 2016 World Health Organization classification system for grading meningiomas. HPF, high-power fields; N/C, nuclear/cytoplasmic.
Fig. 2.
Fig. 2.
The most common genetic alterations found in meningiomas.
Fig. 3.
Fig. 3.
Cytogenetic changes during initiation and progression of meningiomas.
Fig. 4.
Fig. 4.
Molecular signaling pathways associated with meningiomas.

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