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Lipoma arborescens affecting multiple joints
Ismail Bejia1, Mohamed Younes, Adnene Moussa
1Department of Rheumatology, EPS Monastir, Monastir, Tunisia. ismail.bejia@lycos.com
Skeletal Radiology
|March 23, 2005
Summary
A rare knee joint condition, lipoma arborescens, typically presents as slow-growing swelling. This case highlights multifocal lipoma arborescens in the knees and hips, initially mimicking inflammatory arthritis.
Area of Science:
- Orthopedics
- Radiology
- Pathology
Background:
- Lipoma arborescens is a rare, benign intra-articular lesion of unknown cause.
- It commonly affects the knee's suprapatellar pouch, presenting as painless swelling and joint effusion.
Observation:
- A 24-year-old male presented with multifocal lipoma arborescens in the knees and hips.
- The condition initially mimicked inflammatory arthropathy.
Findings:
- Magnetic resonance imaging (MRI) diagnosed lipoma arborescens in the hips and knees.
- Arthroscopic synovial biopsy confirmed the histological features of lipoma arborescens in the right knee.
Implications:
- This case expands the understanding of lipoma arborescens presentation.
- It underscores the importance of considering lipoma arborescens in differential diagnoses of joint swelling, even when multifocal or atypical.
- This is the third reported case of multifocal lipoma arborescens in English literature.