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Upper row shows the pre-operative magnetic resonance imaging (MRI) revealing a total of four meningiomas: (1) left-sided sinus cavernous, (2) left-sided frontal convexity, (3) left-sided temporal convexity, and (4) right-sided tentorial. Lower row showing immediate postoperative MRI revealing subtotal resection of the (1) sinus cavernous meningioma and total removal of the two left-sided convexity meningiomas (2, 3)
