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FIG 2. Case 2.
A, Axial T1-weighted postcontrast MR image shows leptomeningeal enhancement in the interpeduncular area.
B, Axial T2-weighted MR image shows hyperintense lesions in the corpus callosum and periventricular white matter.
C, Histopathologic examination shows areas of capillary hyaline thrombi with perivascular inflammatory cells (hematoxylin and eosin stain; magnification x400).
D, Retinal fluorescein angiography shows peripheral retinal arteriolar branch occlusions in the left eye.
E, Axial T2-weighted MR image shows bilateral hyperintense lesions in the thalamus and posterior arm of the internal capsule.
F, Axial T1-weighted postcontrast MR imaging shows enhancing lesions in the corpus callosum and the posterior arm of the internal capsule.
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