Anaplastic Astrocytomas

Anaplastic astrocytomas are one of two primary forms of high-grade (malignant) astrocytomas, both of which are more common than low-grade astrocytomas. Anaplastic astrocytomas comprise approximately 30 percent of all astrocytomas. High-grade astrocytomas can occur at...

Acoustic Neuroma

Tumors called acoustic neuromas develop along the nerve connecting the brain with the inner ear. They are a type of tumor called a schwannoma. Most acoustic neuromas arise for reasons that are not well understood. Like all schwannomas, acoustic neuromas do not...