Axial T2-WIs demonstrate two well-circumscribed rounded intra-axial mass lesions.
There is central hyperintensity with a thin rim of peripheral hypointensity. Both are
surrounded by vasogenic edema.
Axial FLAIR sequence demonstrates the central components of the lesion are not
isointense to CSF but rather isointense to slightly hyperintense to surrounding parenchyma.
Of particular note in this case, there is no restricted diffusion.
T1-WIs demonstrate a subtle inner rim that is slightly hyperintense to gray matter and an
outer rim that is hypointense. There is suggestion of debris within the walls of the lesions.
Following administration of gadolinium, there is intense smooth and linear enhancement
of a peripheral rim of thin to intermediate thickness.
Again demonstrated is smooth peripheral enhancement of the capsules.
Key words: mri infection inflammation