Journal of Neurological Surgery Part B: Skull Base, Table of Contents CC BY-NC-ND 4.0 · J Neurol Surg B Skull Base 2018; 79(S 05): S413-S414DOI: 10.1055/s-0038-1669978 Skull Base: Operative Videos Georg Thieme Verlag KG Stuttgart · New York Endoscopic Assisted Retrosigmoid Approach for Cerebellopontine Angle Epidermoid Tumor Katherine Kunigelis 1 Department of Neurosurgery, University of Colorado, Aurora, Colorado, United States , Alexander Yang 1 Department of Neurosurgery, University of Colorado, Aurora, Colorado, United States , A. Samy Youssef 1 Department of Neurosurgery, University of Colorado, Aurora, Colorado, United States › Author Affiliations Recommend Article Abstract Full Text PDF Download Keywords Keywordscerebellopontine angle - retrosigmoid - endoscopic assisted - epidermoid tumor Fig. 1 MRI demonstrated an irregular lesion in the right cerebellopontine angle consistent with an epidermoid cyst. www.thieme.com/skullbasevideos www.thieme.com/jnlsbvideos Quality: mobile360480720 Download Figures Fig. 1 MRI demonstrated an irregular lesion in the right cerebellopontine angle consistent with an epidermoid cyst.