Fig. 8From: Pathogenic mechanisms of intestinal pneumatosis and portal venous gas: should patients with these conditions be operated immediately?Microscopic findings of the small intestine for case 2. a-1, 2 Lots of colonies of Escherichia coli were formed around IP (Gram). b IP and colonies of Clostridium perfringens (Welchii) were observed in the blood vessels. (Gram). c IP of Clostridium perfringens (Welchii) was observed in lymph nodes in the intestinal wall (HE)Back to article page