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Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

From: Arterial spin labeling in the grading of brain gliomas: could it help?

Fig. 1

MR perfusion in a case with the right periventricular low-grade glioma. a Axial T2WI showing right frontal periventricular slightly hypointense lesion surrounded by vasogenic edema. b, c Pre- and post contrast T1WI showing isointense signal with hypointense edema with manifest post contrast enhancement of the periventricular lesion. d ASL-CBF showing iso to hypoperfusion of the lesion with ASL-rCBF of 0.72. e, f DSC-CBF and CBV showing hypoperfusion with DSC-rCBF of 0.47 and DSC-rCBV of 0.62. g Hematoxylin and eosin staining (×400 magnification) showing moderate cellularity and moderate nuclear enlargement and pleomorphism with few vessels, pathologically proven low-grade NOS WHO grade II glioma with ASL matching with DSC in showing hypoperfusion of the lesion. ASL arterial spin labeling, CBF cerebral blood flow, DSC dynamic susceptibility contrast, CBV cerebral blood volume, NOS not otherwise specified, r relative, WI weighted imaging

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