Presentation
Abdominal pain, chronic diarrhea and weight loss.
Patient Data
Age: 25 years
Gender: Female
From the case:
Terminal ileitis due to Crohn disease
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Segmental circumferential increased wall thickness with skipping areas and mild adjacent mesenteric vascular engorgement is seen in the distal ileal loops. There is no apparent fistulous formation, interloop abscess, or lymphadenopathy.
A small volume of free fluid is noted in the pelvic spaces.
Case Discussion
This case demonstrates a pathology-proven Crohn disease with involvement of the terminal ileum.
Inflammatory bowel disease, particularly Crohn disease, is the most common cause of terminal ileitis, although backwash ileitis due to ulcerative colitis may also be seen. Infectious colitis and small bowel ischemia can also be presented with similar findings.
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