Rapidly Growing and Asymptomatic Skull Base Lesion

Trochlear schwannomas typically present with diplopia and are extremely rare benign intracranial neoplasms that require the combined expertise of neurotologists and neurosurgeons for surgical excision. A combined petrosal approach offers a surgical route for removal of growing and/or symptomatic tumors. A study of a trochlear nerve schwannoma that demonstrated rapid growth but was otherwise asymptomatic was presented in this study. Address correspondence and reprint requests to Anthony M. Tolisano, MD, Department of Otolaryngology-Head and Neck Surgery, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX 75390; E-mail: anthony.tolisano@utsouthwestern.edu Received 5 July, 2018 Accepted 16 October, 2018 The authors report no conflicts of interest. © 2019 by Mutaz B. Habal, MD.

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