Choroid plexus papilloma

Choroid plexus papilloma (papilloma of choroid plexus) is a slow-growing benign tumor that originates from the choroid plexus epithelial cells in the ventricle and often produces traffic hydrocephalus. Choroid plexus papilloma in childhood is mostly located in the lateral ventricle (60% to 70%), and most of the triangular areas can also occur in the temporal angle, frontal angle, or body.