PMC6356102_01
(A): Cerebellar vermis with 4th ventricle and brainstem. FCE in arteriole (arrow) (20X magnification with H&E stain). (B): FCE in cerebellar arteriole (200X magnification with H&E stain).
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F1
Multifocally, small to medium sized blood vessels were occluded by amorphous, glassy, blue-gray emboli that occasionally appeared cellular, reminiscent of chondrocytes (Fig. 1).
Evidence of FCE in cerebellar arteriole. Alcian blue stains mucopolysaccharides/hyaline cartilage blue (400X magnification with Alcian blue stain).
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F2
The material stained positive with Alcian blue, indicative of a cartilaginous matrix (Fig. 2).