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Imaging Features of Systemic Sclerosis-Associated Interstitial Lung Disease
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Role for imaging in spondyloarthritis
Jun Ran1, John N Morelli2, Ruyi Xie1
1Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Summary
Imaging plays a key role in diagnosing spondyloarthritis (SpA). Conventional radiography (CR) is a good initial test, but magnetic resonance imaging (MRI) is best for detecting early and late SpA changes.
Area of Science:
- Rheumatology
- Medical Imaging
- Radiology
Background:
- Spondyloarthritis (SpA) diagnosis relies heavily on imaging, yet optimal techniques are debated.
- Current imaging modalities for SpA lack comprehensive comparative assessments.
Purpose of the Study:
- To evaluate the current use of imaging in diagnosing SpA.
- To recommend imaging techniques for SpA diagnosis and outcome assessment per ASAS criteria.
Main Methods:
- Systematic literature search on imaging in SpA.
- Assessment of 180 relevant articles by two reviewers.
- Summarization of key imaging information for SpA diagnosis.
Main Results:
- Conventional radiography (CR) and computed tomography (CT) are useful for chronic changes but insensitive to early SpA.
- Ultrasound (US) primarily detects appendicular enthesitis; bone scintigraphy aids in active sacroiliitis assessment.
- Magnetic resonance imaging (MRI) excels at detecting early and chronic sacroiliitis and enthesitis in SpA.
Conclusions:
- SpA diagnosis and assessment may require multiple imaging modalities.
- CR serves as an initial diagnostic tool for suspected SpA.
- A combination of CR and MRI is recommended for comprehensive SpA diagnosis and monitoring.
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