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Imaging features of iliopsoas bursitis
P Wunderbaldinger1, C Bremer, E Schellenberger
1Department of Radiology, University of Vienna, Vienna, Austria. Patrick.Wunderbaldinger@univie.ac.at
European Radiology
|March 1, 2002
Summary
Magnetic resonance imaging (MRI) is the most accurate method for assessing iliopsoas bursitis, detailing its extent and hip joint communication. Ultrasound (US) is a cost-effective initial diagnostic tool for iliopsoas bursitis.
Area of Science:
- Radiology
- Orthopedics
- Medical Imaging
Background:
- Iliopsoas bursitis is a condition characterized by inflammation of the bursa located between the iliopsoas muscle and the hip joint.
- Accurate imaging is crucial for diagnosis, surgical planning, and follow-up.
Purpose of the Study:
- To describe the imaging findings of iliopsoas bursitis.
- To compare the effectiveness of conventional radiographs, ultrasound (US), computed tomography (CT), and magnetic resonance (MR) imaging in evaluating iliopsoas bursitis extent, size, and appearance against surgical findings.
Main Methods:
- Retrospective review of imaging studies (radiographs, US, CT, MR) from 18 patients with surgically confirmed iliopsoas bursitis.
- Comparison of imaging findings with surgical outcomes.
Main Results:
- All imaging modalities (US, CT, MR) detected enlarged bursae.
- MR imaging demonstrated communication with the hip joint in all cases, superior to US and CT.
- MRI best correlated with surgical assessment of bursal size; CT and US tended to underestimate it.
- Hip joint effusion was best identified by MRI.
Conclusions:
- Iliopsoas bursitis imaging characteristics include a well-defined, thin-walled cystic mass with hip joint communication and peripheral contrast enhancement.
- MR imaging is the most accurate modality for assessing iliopsoas bursitis, aiding therapy planning and follow-up.
- Ultrasound is a cost-effective, rapid initial diagnostic option for suspected iliopsoas bursitis.
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