25-year-old male with angiocentric glioma in the right frontal lobe.
Findings: A. Coronal postcontrast T1WI (T1-FLAIR) demonstrates a well defined non-enhancing lesion located in the sub-cortical white matter (arrow). B. Sagittal postcontrast T1WI demonstrates a small non-enhancing area of calcification (arrowhead) anterior to the lesion (arrow).
Technique: 3.0T Signa HD (GE, USA) MR scanner. 5.0mm slice thickness. T1WI (T1-FLAIR): TR=2580ms, TE=16ms, TI=860ms. Contrast material and dose: Gadolinium 0.2ml/Kg.