Brain tumor is a deadly uncommon disease and occurs when the cells in the brain grow abnormally. Worldwide, around 1% of 3 lakh cancer cases are annually found to be of brain tumor. Brain tumor is of two types: Benign and malignant. Malignant brain tumor can be primary brain tumors , where the tumors begin from the brain or secondary brain tumors, which originate from elsewhere and spread throughout the body. The most common primary brain tumors in adults are meningioma, oligodendroglioma, and astrocytoma . In children, medulloblastoma, ependymoma, and brain stem glioma are commonly seen.
WHO Tumor Grading: The tumors are graded depending on the location, rapid multiplication of the cells and spread to the adjacent areas. Grade I: The tissue is benign. The cells look almost like normal brain cells and grow slowly. Grade II: The tissue is malignant. The cells look less like normal…
