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Multifocal PVNS in a child--followed over 25 years
Kausik Mukhopadhyay1, M Smith, P M Hughes
1Derriford Hospital Radiology, Plymouth, UK. kausik@lycos.co.uk
Skeletal Radiology
|April 13, 2006
Summary
Pigmented villonodular synovitis (PVNS) is a rare joint disorder. This case study details an unusual, long-term presentation of multiple joint PVNS in a child, highlighting its rarity.
Area of Science:
- Orthopedics
- Rheumatology
- Pathology
Background:
- Pigmented villonodular synovitis (PVNS) is a rare, benign neoplastic proliferation of the synovium.
- It typically presents as a monoarticular disease, most commonly affecting the knee joint.
- The exact etiology of PVNS remains unknown.
Observation:
- This report details an extremely rare case of multiple joint PVNS.
- The patient presented at a young age (five years) with widespread joint involvement.
- The condition was monitored over an extended period of twenty-five years.
Findings:
- The case demonstrates an atypical, aggressive, and multifocal presentation of PVNS.
- Long-term follow-up revealed the chronic and progressive nature of the disease in multiple joints.
- This presentation challenges the typical understanding of PVNS as a localized condition.
Implications:
- Highlights the importance of considering multifocal PVNS in pediatric patients with unexplained joint swelling and pain.
- Suggests the need for comprehensive diagnostic workups in cases with atypical presentations.
- Emphasizes the potential for long-term morbidity and the need for sustained management strategies for extensive PVNS.