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(A) Preoperative coronal magnetic resonance imaging scan demonstrating a right-sided olfactory groove meningioma. (B) Endoscopic endonasal uninarial approach. The Micro Claw is used to remove the crista galli. (C) Postoperative image demonstrating gross total resection of the lesion. Cr, crista; Olf. Sulc., olfactory sulcus; Periorb., periorbita.
