Figure 2. A. Anaplastic meningioma with sheeting architecture (10x magnification). B. Anaplastic meningioma with increased mitosis (black arrows) and nuclei showing prominent nucleoli (20x magnification). C. Chordoid meningioma areas with cells arranged in cords and trabeculae, surrounded by mucoid background (20x magnification). D. Alcian Blue/PAS special stain highlights mucous-rich matrix (light blue color) in Chordoid meningioma areas (20x magnification). E. Focal invasion of brain parenchyma (black star) by meningioma (10x magnification). F. Focal invasion of subcutaneous tissue by meningioma (black arrows), no infiltration into above dermis/epidermis (5x magnification)

From

Invasive Recurrent Meningioma with Extracranial Tissue Involvement: A Case Report

Neeraj Salhotra, Sheikhan Al Hashmi, Aml Eid Mohammad Saleh, Mahmood Marhoon Al Hatalli, Simin Laiq, Zahra Al Hajri, Kauther Al Zakwani

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