Ulcerative Jejunoileitis
Differential Diagnosis
- Infectious processes must be ruled out by stool examination and culture and histology
| Crohn Disease | Ulcerative Jejunoileitis |
| Frequently also involves large intestine | Restricted to small intestine |
| Adjacent mucosa normal | Villous blunting of adjacent mucosa |
| May have granulomas | No granulomas |
| Enteropathy-type T Cell Lymphoma | Ulcerative Jejunoileitis |
| Identification of a monomorphic population of atypical T cells | Lacks a monomorphic population |
- Clonal T cell populations are present in both
- Some believe that ulcerative jejunoileitis is an early form of enteropathy-type T cell lymphoma
