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FIG 1. Hydroxyapatite microparticles (arrow) are seen in small arteries in meningioma with mild inflammatory response and lymphocytic infiltration in the perivascular spaces (hematoxylin and eosin; original magnification, x100).
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FIG 1. Hydroxyapatite microparticles (arrow) are seen in small arteries in meningioma with mild inflammatory response and lymphocytic infiltration in the perivascular spaces (hematoxylin and eosin; original magnification, x100).
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