Imaging of low- and intermediate-grade gliomas.

Imaging plays a crucial role in the diagnosis and management of low- and intermediate-grade gliomas. In this article, the traditional role of imaging studies in glioma patients and the appearance of some of the more common glial tumors on conventional computed tomography (CT) and magnetic resonance (MR) examinations are reviewed. The impact that MR spectroscopy and MR perfusion imaging have made on the evaluation patients after therapy for glial tumors also is reviewed.