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A large mass with internally heterogeneous T2 signal is seen in the right
occipital lobe with moderate surrounding edema and causing mild midline shift.
Marked hypointensity is present on the gradient-echo image.
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T1WI reveal some internal subacute hemorrhage and heterogeneous enhancement,
along with some thickening of the adjacent falx.
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MR venogram shows compression of the superior sagittal sinus. CT scan reveals
some internal calcifications. Vertebral and left external carotid angiograms
show a hypovascular mass.
Key words: mri mrv ct gre angiography tumor neoplasia
Brain Diagnosis:
Gliosarcoma