Vestibular Schwannomas

Intracranial schwannomas most commonly arise from the vestibular portion of the Vestibulocochlear nerve (cranial nerve VIII). The central/proximal aspect of the nerve is myelinated by oligodendroglial cells whereas the distal/peripheral aspect is myelinated by Schwann cells. These distally located Schwann cells give rise to vestibular schwannomas that originate in the distal aspect of the nerve, usually within the internal auditory canal where it... Continue Reading →

Chordoid Meningioma

The World Health Organization Classification of Tumors of the CNS officially recognizes 13 different variants of meningioma, most of which are Grade 1 tumors that are potentially curable with complete resection. Chordoid meningioma is a rare subtype that accounts for less than 1% of all intracranial meningiomas. They are commonly composed of epithelioid tumor cells,... Continue Reading →

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