Intestinal ischemic manifestations of SARS-CoV-2: Results from the ABDOCOVID multicentre study

Figure 3 Histological features of ischemic damage of small and large bowel characterized by mucosal ulceration and fibrosis and vascular congestion of lamina propria associated with moderate mixed inflammatory infiltrate. A: Histological features of ischemic damage of small bowel; B: Histological features of ischemic damage of large bowel; C: Distinctive severe acute respiratory syndrome coronavirus 2 blood vessels inflammatory pattern with endothelial shrinkage and layering of granulocytes and lymphocytes on damaged vascular wall; D: Endothelial injury is emphasized by CD34 immunostaining of endothelial cells showing marked infiltration of inflammatory cells.