Figure 2From: Microscopic polyangiitis complicated with ileal involvement detected by double-balloon endoscopy: a case report Endoscopic images of the small intestine before and after treatment. A: Longitudinal ulcer with redness and edema. B: Spiral ulcer. Redness and edema were also observed. C: Stenosis. An ulcer was seen beyond the stenosis. D: The small intestinal lesions resolved after treatment, and ulcer scars were observed. E: The stenosis remained after treatment.Back to article page