Pediatric Isolated Oculomotor Nerve Schwannoma: A New Case Report and Literature Review

Isolated schwannoma arising from the oculomotor nerve occurs rarely, and only 12 children with oculomotor nerve schwannoma without neurofibromatosis have been sufficiently documented. This article presents a 3-year-old boy in which a large isolated parasellar oculomotor nerve schwannoma causing parent nerve dysfunction. Complete resection of the tumor was achieved via a right pterion approach, but he developed complete palsy of the third nerve postoperatively, which had an incomplete recovery in 12-month follow-up. We review the pertinent literature about pediatric oculomotor nerve schwannoma and discuss its clinical features and management.