High-Grade Residual Tumor: Morphofunctional MR Follow-Up in Low-Grade Oligoastrocytoma and Following Anaplastic Transformation

Patient with right frontal low-grade oligoastrocytoma treated with partial excision surgery and subsequent combined radiation therapy–chemotherapy following anaplastic transformation. Morphofunctional MR follow-up performed with morphologic study, perfusion, and spectroscopy at 24 months after surgery and combined chemotherapy.