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Expansile right anterior temporal lobe lesion involving grey and white matter is noted measuring 4.5 x 5.1 x 4.1cm (trans x ap x cc) with positive mass effect and slight uncal herniation on this side. The lesion is very high signal on T2 with areas of suppression on T2 FLAIR. There is also slight contralateral midline shift of 3 mm.
There is slight scalloping of the overlying bone suggesting it is longstanding. A small area of faint enhancement with diffusion restriction is noted in the superior portion of the tumour. The lesion is solitary.
Expansile cortical and subcortical right anterior temporal lobe lesion in keeping with a glioma. The slight enhancement with diffusion restriction superiorly is suggestive of a higher grade component. The cystic nature can sometimes be seen with particular subtypes of gliomas such as protoplasmic astrocytomas.