Avoiding Injury to the Abducens Nerve During Expanded Endonasal Endoscopic Surgery: Anatomic and Clinical Case Studies Anatomy, Cranial Neurosurgery, Endoscopy, Minimally Invasive ← Reverse Rotation Flap for Reconstruction of Donor Site After Vascular Pedicled Nasoseptal Flap in Skull Base Surgery European position paper on endoscopic management of tumours of the nose paranasal sinuses and skull base →