Choroid Plexus Papilloma
Choroid plexus papilloma is a rare, benign (noncancerous) tumor. Choroid plexus carcinoma is the malignant (cancerous) form of the choroid plexus papilloma. Choroid plexus carcinoma occurs primarily in children.
These tumors arise from brain tissue called the “choroid plexus.” They commonly invade nearby tissue and spread widely via the cerebrospinal fluid.
These tumors arise from the choroid plexus, which lines the ventricles of the brain and produces cerebrospinal fluid.Lateral and third ventricle tumors tend to be found in very young children. Fourth ventricle and cerebellopontine angle tumors (the angle between the cerebrum and the pons of the brain stem) generally occur in patients ages 20-35.
Like other brain tumors, choroid plexus tumors are also “graded.” Choroid plexus papilloma are grade I tumors. Atypical choroid plexus papillomas are considered grade II, and chroid plexus carcinomas are typically grade III tumors.