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Fig. 3 | Chinese Neurosurgical Journal

Fig. 3

From: Endoscopic endonasal transclival removal of tumors of the clivus and anterior region of the posterior cranial fossa (results of surgical treatment of 140 patients)

Fig. 3

Case 2. Female patient, 22 years old, with giant chordoma of the skull base, with severe compression of the medulla oblongata and midbrain. ac Preoperative MRI images: a Straight red arrow indicates the direction of transnasal approach. b, c Curved red arrows indicate the direction of approach to the posterior portion of the tumor around the brain stem structures. b Yellow arrow indicates basilar artery location. d, e MRI images 12 months after surgery, subtotal tumor resection

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