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Arthroscopic technique for the treatment of pigmented villonodular synovitis of the hip.

ABSTRACT: Open synovectomy remains the treatment of choice for pigmented villonodular synovitis (PVNS) of the hip but has shown modest results compared with the treatment of other joints. Recent advances in hip arthroscopy permit a thorough evaluation of the joint surfaces, improved access, and decreased postoperative morbidity. We describe an arthroscopic synovectomy technique for PVNS of the hip. The use of additional arthroscopic portals and creation of a large capsulotomy enable successful visualization and extensive synovectomy of the entire synovial lining of the hip. The T-capsulotomy enables extensive soft-tissue retraction for complete exposure. The midanterior portal enables use of an arthroscopic grasper and shaver to directly access and excise the synovial lining of the peripheral compartment while avoiding damage to the medial and lateral retinacular vessels. Technical innovations in hip arthroscopy have enhanced visualization in the central and peripheral compartments, as well as instrument management and diagnostic evaluation of the capsule, therefore allowing enhanced management of PVNS of the hip.

SUBMITTER: Lee S

PROVIDER: S-EPMC4427644 | biostudies-literature | 2015 Feb

REPOSITORIES: biostudies-literature

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Arthroscopic technique for the treatment of pigmented villonodular synovitis of the hip.

Lee Simon S Haro Marc S MS Riff Andrew A Bush-Joseph Charles A CA Nho Shane J SJ

Arthroscopy techniques 20150126 1

Open synovectomy remains the treatment of choice for pigmented villonodular synovitis (PVNS) of the hip but has shown modest results compared with the treatment of other joints. Recent advances in hip arthroscopy permit a thorough evaluation of the joint surfaces, improved access, and decreased postoperative morbidity. We describe an arthroscopic synovectomy technique for PVNS of the hip. The use of additional arthroscopic portals and creation of a large capsulotomy enable successful visualizati ...[more]

PMID: 25973372

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Project description:PurposeTo review clinical characteristics of pigmented villonodular synovitis (PVNS) in China.MethodsElectronic medical records (EMR) of four Chinese institutes were queried for patients with histologically proven PVNS between January 2005 and February 2014. Their data were collected including gender, age at diagnosis, clinical presentation, affected site, symptom duration, comorbidities, treatment strategy, recurrence and routine laboratories.ResultsA total of 237 patients with biopsy-proven PVNS were investigated. The gender ratio was 1.35 for a female predominance (101 males and 136 females). The average age was 36 years (range, 2 to 83 years). The median delay from initial clinical symptom to diagnosis was 18 months. Main affected areas were the knee (73.84%) and the hip (18.14%). Forty patients had a clear history of joint trauma. Six patients were concurrently diagnosed with PVNS and avascular necrosis (AVN). Five patients suffered from PVNS following implantation of orthopaedic devices including artificial prosthesis, plate and wire. One hundred and twenty-nine patients underwent arthroscopic synovectomy and 108 open synovectomy. Altogether 48 patients (26 males and 22 females) had recurrence of disease. The relapse rate was 24% (knee) and 6.98% (hip), 20.93% (open surgery) and 19.44% (arthroscopy), respectively. Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) rate were elevated in 45.83% and 38.41% of the patients respectively.ConclusionsTo our knowledge, this study is the largest sample size of PVNS patients reported as well as the largest sample of PVNS with concurrent AVN reported to date. Our outcomes suggest that PVNS shows a female predominance, occurs mostly between 20-40 years and favors the knee and hip. Recurrence is frequent, particularly in the knee. Serum ESR and CRP may be elevated in some patients. Additionally, the present study supports the theory of an association between PVNS and orthopedic surgery, which is not limited to joint replacement.

Dataset Information

Arthroscopic technique for the treatment of pigmented villonodular synovitis of the hip.

Publications

Arthroscopic technique for the treatment of pigmented villonodular synovitis of the hip.

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