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Rice body synovitis in systemic lupus erythematosus
Youyou Tian1,2, Jiayin Hu1, Qin Xia1
1Department of Ultrasound Diagnosis, Daping Hospital, Army Military Medical University, 10 Changjiang Branch Road, Yuzhong District, Chongqing, 400022, China.
Rheumatology International
|August 26, 2023
Summary
Rice bodies synovitis is a rare shoulder condition in systemic lupus erythematosus (SLE) patients. Ultrasound is a valuable tool for early detection and diagnosis of this condition.
Area of Science:
- Rheumatology
- Radiology
- Orthopedics
Background:
- Systemic lupus erythematosus (SLE) is an autoimmune disease that can affect multiple organs.
- Rice bodies (RBs) synovitis is characterized by the formation of rice-body-like structures within the synovial membrane.
- Shoulder joint involvement in SLE-associated synovitis is uncommon, and RBs synovitis has not been previously reported in this context.
Observation:
- A 43-year-old female with SLE presented with right shoulder pain and swelling.
- Ultrasound examination revealed findings consistent with RBs synovitis.
- The patient had no history of tuberculosis or rheumatoid arthritis.
Findings:
- Ultrasound-guided percutaneous biopsy and surgical excision confirmed the diagnosis of RBs synovitis.
- A literature review indicated that RBs synovitis is rare in SLE patients.
- Ultrasound has been underutilized for diagnosing RBs synovitis, with MRI being the primary diagnostic modality.
Implications:
- This case highlights the importance of considering RBs synovitis in SLE patients with shoulder complaints.
- Ultrasound should be recognized as a key imaging modality for the early detection of RBs synovitis.
- Enhanced awareness and training for ultrasound physicians are crucial for improving diagnostic accuracy of this rare condition.
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