Protein C deficiency related obscure gastrointestinal bleeding treated by enteroscopy and anticoagulant therapy

Figure 1 Computed tomographic scan reveals vascular tufts around the proximal jejunum (A, arrow), and thrombi are visible as hypodense lesions in the contrasted superior mesenteric vein (B, arrow).

Figure 2 Celiac angiography reveals engorged collateral veins in the left upper quadrant of the abdomen without contrast agent in the main trunk of the superior mesenteric vein.

Figure 3 Antegrade single-balloon enteroscopy shows several serpinginous varicose veins (arrows).