Polyarteritis nodosa clinically mimicking nonocclusive mesenteric ischemia

Figure 2 Clinical imaging. A: Computed tomography (CT) image of the abdomen showing distended small bowel loops, gas in the small bowel, blurred enhancement of the intestinal wall, and absence of any significant obstruction in the celiac trunk; B: CT image of the abdomen showing superior mesenteric artery; C: CT angiographic reconstruction of the superior mesenteric artery; D: Surgical findings showing distended small intestine, segmental intestinal ischemia, and necrosis.