Pigment Villonodular Synovitis of the Hip M12.259 719.25
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synonyms:Pigment Villonodular Synovitis of the Hip, PVNS
PVNS ICD-10
PVNS ICD-9
- 719.25 Villonodular synovitis, pelvic region and thigh
Etiology / Epidemiology / Natural History
- uncommon disease. Hip involved 15% of the time
- pathogenesis unknown
Anatomy
PVNS Clinical Evaluation
- insidious onset of pain and limited ROM
PVNS Xray / Diagnositc Tests
- cortical erosions in the acetabulum, femoral neck, and margins of the femoral head. Often seen as cyst like structures on A/P xray
- MRI indicated. Typically shows intra-articular effusion, low signal intensity on both T1 and T2 images due to hemosiderin deposition and thick fibrous tissue, synovial hyperplasia, bone ersosions, and preservation of bone density and joint space width.
PVNS Classification / Treatment
PVNS Associated Injuries / Differential Diagnosis
PVNS Complications
PVNS Follow-up Care
- Comlete synovectomy is effective in preventing recurrence of synovitis, but does not prevent development of secondary arthritis
PVNS Review References
- Vastel L, JBJS 2005;87A;101924
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