Fig. 3From: Clinical characteristics and prognosis of childhood-onset lupus mesenteric vasculitis as the initial presentation—a case–control study“Double-ring” or “target” sign in the LMV case. The thickening of the intestinal tube wall showed a double-ring or target sign, with obvious enhancement in the inner and outer layers of the mucosa, muscularis propria, and serosa, respectively. The middle layer was characterized by submucosa edema, with no obvious enhancement. Abdominal effusion could be seen in the intestinal spaceBack to article page