45 April 9, 2020 University A 63‐y‐old male with change in voice and tongue mobility Neoplasm of uncertain behavior midline skull base, progressive 10th and 12th nerve weakness Endoscopic endonasal clival tumor biopsy, probable subtotal resection or excision of neoplastic, vascular, or infectious lesion of base of anterior cranial fossa, intradural, Approved High risk Surgery performed. Plastic cover used and minimized drill and microdebrider during approach