case_images: PMC11773514_01
case_images: Histologic sections of the renal core biopsy demonstrate (H&E images; 400x original magnification) (A) a cross-section of an interlobular-size artery with intimal thickening and mucoid intimal edema (blue arrow). The smaller arteriole (black arrow) shows concentric luminal narrowing to the point of occlusion. (B) Smaller arterioles demonstrating concentric luminal narrowing with some red blood cell fragments in the wall (green arrow) and luminal damage and fibrin deposition (orange arrow).
case_images: 10.1177_23247096251316364-fig1.jpg
case_images: PMC11773514_01_10.1177_23247096251316364-fig1.jpg
case_images: fig1-23247096251316364
case_images: Ohio State University revealing active TMA with severe fibro-intimal thickening and mucoid intimal edema in large vessels. Onion skin-like intimal thickening was observed in some of the smaller vessels, nearing luminal obstruction (Figure 1).