<unk>  is a rare primary brain tumor. It is commonly characterized by diffuse infiltration of the brain with neoplastic glial cells that affect various areas of the<unk> l lobes. These malignancies consist of infiltrative threads that spread quickly and deeply into the surrounding brain tissue, or into multiple parts of the brain simultaneously, making them very difficult to remove with surgery or treat with radiation.<unk>  behaves like a malignant tumor that is very similar to Glioblastoma. While<unk>  can occur at any age, it is generally found in the third and fourth decades of life.
Gliomatosis cerebri
Polioencephalitis
Meningism
Hypertensive leukoencephalopathy
Posterior reversible encephalopathy syndrome
Lymphocytic meningoradiculitis
Brain abscess
Autoimmune encephalitis