The Surgical Management of Trigeminal Schwannomas

  • Ricardo Ramina
  • Maurício Coelho Neto
  • Yvens Barbosa Fernandes
  • André Giacomelli Leal
  • Erasmo Barros da SilvaJr.
  • Lucas Alves Aurich


Schwannomas arising from the trigeminal nerves are the second most common type of intracranial schwannomas, representing 0.8–8 % of all intracranial schwannomas. These tumors are usually benign, isolated, and slow growing. They may occur in multiple sites when associated with neurofibromatosis type 2 (NF2). Trigeminal schwannomas (TSs) tend to occur in middle-aged patient; the highest incidences are between the ages of 38 and 40 years and are more common in women. Patients with TSs frequently complain of trigeminal nerve-related symptoms, but they may also be asymptomatic. In a recent review of the literature, Samii et al. reported trigeminal nerve symptoms in 51 % of patients, followed by headache (16 %) and diplopia (11 %). Prior to the advent of computed tomography (CT) and magnetic resonance (MR) imaging, diagnosis of TS was difficult. The treatment of choice remains resection. In 1918, Frazier reported the first removal of TS. Very high mortality has been associated with surgical treatment prior to the late 1950s. Since then, in addition of a large series of 111 patients, several small series have demonstrated positive results and low mortality and morbidity rates associated with complete resection. Different surgical approaches may be used depending on the location and extension of the lesion.


Cavernous Sinus Trigeminal Nerve Trigeminal Neuralgia Facial Pain Sigmoid Sinus 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Ricardo Ramina
    • 1
  • Maurício Coelho Neto
    • 1
  • Yvens Barbosa Fernandes
    • 2
  • André Giacomelli Leal
    • 1
  • Erasmo Barros da SilvaJr.
    • 1
  • Lucas Alves Aurich
    • 1
  1. 1.Neurosurgical DepartmentNeurological Institute of CuritibaCuritibaBrazil
  2. 2.Neurosurgical DepartmentUniversity of CampinasCampinasBrazil

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