Higher-grade astrocytomas (grades 3 and 4) grow faster and are more aggressive tumors. Doctors may refer to them as anaplastic astrocytoma (grade 3) or glioblastoma (grade 4). The outlook for high ...

Treatment of the anaplastic astrocytoma has been less variable. This tumor is more resistant to therapy and patients have a shorter median survival of only 2 to 3 years, compared with 5 years for ...

Note that pilocytic tumors are very benign histologically. They are the most common astrocytic tumors in children and most often are located in the cerebellum. On imaging, they are cystic, often with ...

There are four main types of astrocytomas: pilocytic astrocytoma, diffuse astrocytoma, anaplastic astrocytoma, and glioblastoma multiforme, each with varying degrees of aggressiveness and ...

PURPOSE: Temozolomide is a novel oral alkylating agent with demonstrated efficacy as second-line therapy for patients with recurrent anaplastic astrocytoma and glioblastoma multiforme (GBM). This ...