Astrocytoma: Insights into Risk Factors, Pathogenesis, Diagnosis and Management

摘要

Astrocytoma is one of the most common types of brain tumors. It arises from astrocytes-star-shaped cells that make up the ?°glue-like?± or supportive tissue of the brain. There are different types and severities of Astrocytomas. According to (WHO),It can be classified into grades from I to IV. The most frequently diagnosed types of astrocytoma are pilocytic astrocytoma, grade II astrocytoma, anaplastic astrocytoma and glioblastoma multiforme. They may or may not be cancerous. The exact cause of astrocytoma is unknown. Astrocytomas occur slightly more often in men than in women. They are slightly more common in Caucasians. Astrocytomas can develop in both children and adults. The diagnosis of astrocytoma is based on a thorough clinical evaluation, characteristic physical findings, a careful patient history, and specialized tests. Astrocytomas may be treated with surgery, radiation therapy, chemotherapy or a combination of treatments.