Journal of Korean Neurosurgical Society

The Korean Neurosurgical Society (대한신경외과학회)
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Penetration and Splitting of Optic Nerve by Tuberculum Sellae Meningioma

  • Park, Seong-Cheol (Department of Neurosurgery, Seoul National University College of Medicine) ;
  • Lee, Sang Hyung (Department of Neurosurgery, Seoul National University College of Medicine)
  • Received : 2014.10.27
  • Accepted : 2015.08.06
  • Published : 2016.09.01
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Abstract

Preservation of the optic nerves is an important issue in the resection of tuberculum sellae meningiomas. We report the case of a patient whose optic nerve was penetrated by a tuberculum sellae meningioma. During surgery, a bulging tumor was found to penetrate the right optic nerve. The tumor was gross totally removed, including tumors bulging through the optic nerve. Two trunks of the split optic nerve were preserved. The penetrated shape of the optic nerve may lead to misjudgment and its damage. Divided trunks of optic nerves are difficult to recognize and may be confused for the tumor capsule, because they may be thinned and seem to contain tumors. In addition, a single trunk may be confused for the whole nerve; thus, the other trunk may be easily damaged if not dissected cautiously. Treatment strategy according to the remnant visual acuity was suggested.

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