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Acute sacroiliitis

Case contributed by Hani Makky Al Salam
Diagnosis certain

Presentation

Post-partum status complaining of lower back pain radiating to the left leg.

Patient Data

Age: 30 years
Gender: Female
x-ray

Pelvis radiograph is unremarkable. 

mri

Left sacroiliac joint showed high STIR signal intensity with post gadolinium enhancement.

Findings in keeping with acute left sacroiliitis. However, the sacroiliac joint maintained its space without irregularities or erosions.

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