<prompt> Answer this question truthfullyWhat is the history of Pineoblastoma and what are its associated symptoms?  <response>: <reason> The clinical presentation of pineoblastoma is mainly from the obstructive hydrocephalus secondary to compression of the tectum of the midbrain and obstruction of the aqueduct. Symptoms of pineoblastoma include: Headaches Nausea Vomiting Seizures Tinnitus Hearing loss Sleepiness Irritability Personality changes Double vision Trouble coordinating motor movements Difficulty walking Slowed growth 