Thelansis

 Oligodendroglioma (OG) is a rare type of glial tumor primarily found in the white matter of the cerebral hemisphere, especially in the supratentorial region. This tumor is characterized by a highly cellular lesion that diffusely infiltrates the periphery and consists of evenly-spaced monomorphic cells with the oligodendroglial phenotype. The cells are uniformly round to oval with round nuclei, delicate chromatin and small nucleoli. The most common clinical presentation is seizures. There are three types of OG: Grade 2 oligodendroglioma (low grade), Grade 2 oligoastrocytoma (low grade), Grade 3 anaplastic oligodendroglioma (high grade), and Grade 3 anaplastic oligoastrocytoma (high grade). The cause of OG is still unknown, but certain risk factors such as age, exposure to ionizing radiation, and family history of glioma can increase the risk of developing this tumor. Treatment of OG is multifactorial and includes surgical, chemotherapy, and radiation therapy methods. Low-grade OG (...