There is an ill defined non enhancing area of T1 hypointensity and T2 hyperintensity in the inferolateral aspect of the left temporal lobe. It involves the middle temporal gyrus but appears to spare the superior temporal gyrus, hippocampus and parahippocampal gyrus. Corresponding hyperintensity on both DWI and ADC is in keeping with vasogenic oedema. No restricted diffusion is detected.
Mild local mass effect with sulcal effacement is seen. No definite increase in cerebral blood volume is seen in the region of signal abnormality (not shown). Spectroscopy was technically inadequate.
No hydrocephalus or midline shift. No abnormal leptomeningeal enhancement. No intracranial haemorrhage.
CONCLUSION
Non enhancing area of signal abnormality in the inferolateral aspect of the left temporal lobe most likely represents a low grade glioma.