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Pigmented villonodular synovitis of the hip joint
1Department of Orthopaedics, University Hospital, Lund, Sweden.
International Orthopaedics
|January 1, 1987
Summary
Diffuse pigmented villonodular synovitis is a rare hip condition causing pain and limited movement. Early diagnosis via arthroscopy and biopsy is crucial for young adults with unexplained hip pain.
Area of Science:
- Orthopedics
- Rheumatology
- Pathology
Background:
- Diffuse pigmented villonodular synovitis (DPVS) of the hip is an uncommon, slowly progressive condition.
- It presents with hip pain and restricted movement, often mimicking coxarthrosis.
- Radiographs may show bone defects but preserve joint space until later stages.
Observation:
- Two cases of DPVS initially misdiagnosed as coxarthrosis are presented.
- Both cases underwent unsuccessful intertrochanteric osteotomy before definitive diagnosis.
- Radiographic progression over eight years is documented in one case.
Findings:
- Accurate diagnosis of DPVS was delayed in both reported cases.
- Surgical exploration of the hip joint was necessary for definitive diagnosis.
- Radiographic findings can be misleading, resembling osteoarthritis.
Implications:
- Arthroscopy and synovial biopsy are recommended for young adults with undiagnosed hip pain.
- Timely diagnosis of DPVS is essential to prevent disease progression and optimize treatment.
- Consideration of DPVS in the differential diagnosis of hip pain is important for orthopedic surgeons.