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Where is the abnormality located, and on what sequence is is most easily seen?
The mass is located in the right lateral ventricle and is most easily seen on FLAIR, as the mass is of high T2 signal, almost the same as CSF.
A heterogeneous but mostly T2 bright mass appears to arise from the septum pellucidum and project into the right lateral ventricle. It demonstrates minor enhancement, and regions of susceptibility induced signal drop out, likely representing calcification.