TABLE 6.50 Histologic Lesions of Graft Versus Host Disease
Grade Histology
1 Mild necrosis of individual crypts
3 Dropout of many crypts
4 Flat mucosa
Graft vs. host disease
Rejection
Chemotherapy
Radiation therapy
Zinc deficiency
Fasting
Inflammatory bowel disease
AIDS enteropathy
Thymoma
Certain drugs
Viral infections
Cell-mediated immune reactions
Autoimmune enterocolitis
Reference: Fenoglio-Preiser CM, Noffsinger AE, Stemmermann GN, Lantz PE, Isaacson PG. Gastrointestinal Pathology: An Atlas and Text 3rd edition ed: Lippincott Williams & Wilkins; 2007.