Primary meningioma of the fallopian canal.

Meningiomas are slow-growing lesions that represent approximately 20% of all intracranial tumors and are the second most common tumor of the cerebellopontine angle. In contrast, primary extracranial meningiomas are found relatively infrequently, and most cases have inadequate radiologic studies to determine if they were actually an extension from a primary intracranial source. Meningiomas of the intratemporal segment of the facial nerve have also been reported, but they are exceedingly rare and their pathophysiology remains unclear. We report a case of a meningioma of the facial nerve in the fallopian canal of a 7-year-old girl and review pertinent literature.