Fig. 1From: Application of endoscopic endonasal approach in skull base surgeries: summary of 1886 cases in a single center for 10 consecutive yearsThe preoperative CT (computed tomography) and postoperative MRI (magnetic resonance imaging) of a recurrent chordoma: the patient, male, 59 years old, chief complaint: trans-sphenoidal chordoma resection and radiotherapy for 6 years, right hearing loss accompanied by peripheral facial paralysis for 3 months. The tumor of sphenoid sinus, ethmoid sinus, and petrous apex region was totally resected via the endoscopic transethmoid–pterygoid process–sphenoid sinus approach and middle approach extended to petrous apex regionBack to article page