Fig. 3From: Endoscopic endonasal transclival removal of tumors of the clivus and anterior region of the posterior cranial fossa (results of surgical treatment of 140 patients)Case 2. Female patient, 22 years old, with giant chordoma of the skull base, with severe compression of the medulla oblongata and midbrain. a–c 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 resectionBack to article page