OPERATIVE NEUROSURGERY, cilt.16, sa.5, ss.557-569, 2019 (SCI-Expanded)
BACKGROUND: The endoscopic endonasal approach (EEA) was recently added to the neurosurgical armamentarium as an alternative approach to the petrous apex (PA) region. However, the maximal extension, anatomical landmarks, and indications of this procedure remain to be established.