Supratentorial Ependymoma YAP1 Fusion-Positive

**Semantic type:** Neoplastic Process

**Definition:** An uncommon circumscribed ependymoma that arises from the supratentorial region of the brain. It affects young children and is characterized by the presence of a fusion gene involving YAP1 gene. Available data indicate that it has a favorable prognosis as compared to other supratentorial ependymomas.

**Synonyms:** - Childhood Supratentorial Ependymoma YAP1 Fusion-Positive