Diagnosis and therapeutic strategies for small bowel vascular lesions

Figure 3 Representative images of arteriovenous malformation. A: Video capsule endoscopy confirmed active bleeding from jejunum in young patient with ongoing overt obscure gastrointestinal bleeding; B: Double balloon endoscopy identified pulsating subepithelial tumor classified into Yano-Yamamoto classification Type 4; C: Subsequent to endoscopic tattooing, surgical resection was performed; D: Pathological examination revealed a vascular malformation in the submucosa.