Third ventricle tumor

The third ventricle is located between the thalamus on both sides. It is a long longitudinal fissure with an anterior and posterior choroid. The top of the third ventricle is the choroid plexus and the internal cerebral veins. The third ventricle communicates with the left and right ventricles through interventricular foramen and is connected to the fourth ventricle through the midbrain aqueduct. The third ventricle receives cerebrospinal fluid from the lateral ventricle. After adding the cerebrospinal fluid produced by the choroid of the third ventricle, it flows to the fourth ventricle through the midbrain aqueduct. The third ventricle tumor refers to two parts of the tumor that originally originated in the third ventricle or grew into the third ventricle. Primary tumors in the third ventricle are gliomas, teratomas, cholesteatomas, and glioblastomas. Its incidence rate is about 3% of intracranial tumors, more common in children and young people, more men than women. Because the tumors here are more likely to block the cerebrospinal fluid circulation, it often leads to an increase in intracranial pressure, which is why patients see a doctor. Tumors that grow from the third ventricle into the third ventricle, in addition to the increased intracranial pressure caused by blocking the cerebrospinal fluid circulation pathway, also have focal symptoms and signs produced by the invasion of brain tissue at their primary site and their unique features. X-ray sign.

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