Myxopapillary Ependymoma

**Semantic type:** Neoplastic Process

**Definition:** A slow growing, WHO grade I glioma which generally occurs in young adults. It arises almost exclusively in the conus medullaris, cauda equina, and filum terminale of the spinal cord. It generally has a favorable prognosis and is characterized histologically by tumor cells arranged in a papillary manner around vascularized mucoid stromal cores. (Adapted from WHO).

**Synonyms:** - EPENDYMOMA, BENIGN - Myxopapillary ependymoma