Endoscopic diagnosis of gastrointestinal graft-versus-host disease

Figure 1 Upper endoscopy showing diffuse and active bleeding in the antrum and body of stomach 160 d after allo-BMT (A) and reticulated submucosal small vessels accompanied with erosion and erythema in the antrum 175 d after allo-BMT (B) in patient 1 with AML.

Figure 2 Colonoscopy disclosing mucosal erythema, severe erosions, multiple ozzing and sloughing in ascending colon (A) and extensive hemorrhagic spots, patchy erosions, and focal shallow ulcers in the rectum (B) in patient 4 with CML 90 d after allo-HSCT.