Surgical Pathology Criteria

Acute Graft versus Host Disease (GVHD) of Gastrointestinal Tract

Differential Diagnosis

Acute GVHD of GI Tract Chemoradiation Toxicity
May occur up to 100 days post-transplant May last 3-4 weeks
Impossible to distinguish histologically, especially for low grade GVHD

Acute GI GVHD vs. Opportunistic Infection

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