Brain metastasis

Intracranial metastases (also known as brain metastases) refer to tumor cells that originally originated in other parts of the body and are transferred into the skull. The incidence of intracranial metastases accounts for 3.5% -10% of intracranial tumors. It is believed that lung cancer has the most brain metastases at home and abroad See, followed by melanoma, urogenital tumors, and digestive tract tumors. There are also a considerable number of patients who cannot find the primary tumor. Even if there is a brain metastasis, the source of the tumor cannot be determined after surgery. The peak age of onset is 40-60 years, with more men than women.