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Calcified atherosclerotic plaque with oxalate crystals within the large calcific nodule: A) Low power H&E stain showing marked calcification of plaque; the circle indicates region shown in panels C & D (x40); B) Section shown in panel A with partially-polarized light showing oxalate crystals within the large calcific nodule (x40); C) and D) close up of oxalate crystals (arrows) inside of the calcified region of the atherosclerotic plaque without and with polarized light (x100).
