Presentation
Acute exacerbation of abdominal pain.
Patient Data
Age: 60 years
Gender: Male
From the case:
Crohn's disease with sacroiliac joint ankylosis
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Bilateral sacroiliac joint ankylosis
From the case:
Crohn's disease with sacroiliac joint ankylosis
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Terminal ileal mural thickening, and surrounding mesenteric stranding. Small amount of free pelvic fluid. Bilateral sacroiliac ankylosis.
Case Discussion
This patient had known Crohn's disease and presented with an acute exacerbation. Note the bilateral sacroiliac joint ankylosis due to enteropathic arthritis and the typical terminal ileitis appearance on CT.