Journal of the Korean Society of Stereotactic and Functional Neurosurgery 2011;7(1):88-91.
Published online June 30, 2011.
abCavernous Malformation Involving the Spinal Accessory Nerve
Ji Hoon Kim, Jin Hoon Park, Sang Young Jun, Sung Woo Noh
Department of Neurosurgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
This report presents the clinical feature, surgical experience, prognosis and pathogenesis of cavernous malformation originated spinal accessory nerve. 45-year-old woman presented with a several-day history of headache and tingling sensation in the left arm and leg. A 1.7-cm heterogeneous, solid mass was found in the right side of the foramen magnum. It was removed by suboccipital craniotomy and C1 total laminectomy with a diagnosis of accessory nerve schwannoma. Histologic confirmation was compatible with cavernous malformation. Cavernous malformation involving the spinal accessory nerve on foramen magnum level is a rare disease which requires differential diagnosis from the more common nerve sheath tumor or meningioma.
Key Words: Cavernous malformation, Accessory nerve, Surgical treatment.
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