MyBiopsy.org - Information About Cancer Diagnosis http://www.mybiopsy.org Wed, 7 Oct 2009 8:00:00 CST Wed, 7 Oct 2009 8:00:00 CST Anaplastic Astrocytoma is a primary grade III (malignant) brain tumor. Anaplastic Astrocytoma comprises about 4 percent of all primary brain tumors diagnosed in the United States. http://www.cap.org/apps/docs/reference/myBiopsy/anaplastic_astrocytoma.html Wed, 7 Oct 2009 8:00:00 CST http://www.cap.org/apps/docs/reference/myBiopsy/anaplastic_astrocytoma.html Glioblastoma is a type of primary malignant brain tumor. Glioblastoma is also known as grade 4 (IV) astrocytoma, Glioblastoma multiforme and GBM. http://www.cap.org/apps/docs/reference/myBiopsy/glioblastoma.html Wed, 7 Oct 2009 8:00:00 CST http://www.cap.org/apps/docs/reference/myBiopsy/glioblastoma.html Oligodendroglioma is an uncommon type of primary brain tumor that comprises about 3 percent of all primary brain tumors diagnosed in the United States. http://www.cap.org/apps/docs/reference/myBiopsy/oligodendroglioma.html Wed, 7 Oct 2009 8:00:00 CST http://www.cap.org/apps/docs/reference/myBiopsy/oligodendroglioma.html Pilocytic Astrocytoma is a type of benign brain tumor that rarely spreads into surrounding tissues. Starting in brain cells called astrocytes, this type of tumor is slow-growing tumor but can become very large. http://www.cap.org/apps/docs/reference/myBiopsy/pilocytic_astrocytoma.html Wed, 7 Oct 2009 8:00:00 CST http://www.cap.org/apps/docs/reference/myBiopsy/pilocytic_astrocytoma.html