Pediatric orbital schwannoma originating from the oculomotor nerve |
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Authors: | Nagashima Hiroaki Yamamoto Kazuki Kawamura Atsufumi Nagashima Tatsuya Nomura Koji Yoshida Makiko |
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Affiliation: | Department of Neurosurgery, Hyogo Prefectural Kobe Children’s Hospital, Kobe, Hyogo, Japan. hnagashima0628@yahoo.co.jp |
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Abstract: | Intraorbital schwannoma is a rare tumor that constitutes approximately 1%-8% of all orbital tumors. The authors report a case of orbital schwannoma in a 5-year-old boy who was admitted to their institute with exophthalmos and ptosis of the right eye. Computed tomography scanning and MR imaging revealed a retroocular mass in the right orbit. The tumor was successfully removed via a transcranial approach. The pathological diagnosis was schwannoma that appeared to originate from the superior branch of the oculomotor nerve. Despite the rarity of these intraorbital extraocular tumors in children, schwannomas should be differentiated from other intraorbital tumors. |
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