Scoring version 1.1 Guide to scoring primary brain tumors Use the form to assist with assigning an MRI the appropriate score. Email Tumor type Glioblastoma - GBM (grade 4) Astrocytoma (grade 2) Anaplastic astrocytoma (grade 3) Oligodendroglioma (grade 2) Anaplastic oligodendroglioma (grade 3) Gliosarcoma Other Is there a suitable prior? Yes No BT-RADS scoring tool version 1.1 updated 4/16/2020