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Representative case with region of interest on globus pallidus (arrow)

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Presentation on theme: "Representative case with region of interest on globus pallidus (arrow)"— Presentation transcript:

1 Representative case with region of interest on globus pallidus (arrow).
Representative case with region of interest on globus pallidus (arrow). A, Conventional T2-weighted image (T2-WI). B, Source image obtained by gradient-echo echo-planar imaging sequence. Note the hypointensity at the globus pallidus and putamen. Also note the susceptibility effect at the frontal skull base near the air-tissue interface. C, Source image shows region of interest (ROI) (arrow). Anatomic boundary of the region of interest was determined based on the imaging findings. D, Perfusion map shows rCBF. E, Perfusion map shows rCBV. F, Perfusion map shows MTT. Kei Yamada et al. AJNR Am J Neuroradiol 2002;23: ©2002 by American Society of Neuroradiology

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