Pineal tumors are tumors located in this area, including tumors of the pineal gland and tumors of the components and structures of this area. Pineal tumors can compress the third ventricle, compress the cerebral aqueduct causing hydrocephalus, compress the superior cerebral peduncle, compress the cerebellum, compress the posterior fossa... causing various disorders.

The pineal gland is also known as the pineal gland. The pineal gland is a hidden part of the brain, hidden under the stem connecting the two cerebral hemispheres, as small as a bean. In the afternoon, the pineal gland secretes the hormone melatonin, which puts us to sleep.