Radhesh K Lalam1, Gillian L Cribb2, Victor N Cassar-Pullicino3, Wim P Cool2, Jaspreet Singh3, Prudencia N M Tyrrell3, Bernhard J Tins3, Naomi Winn3. 1. Department of Diagnostic Imaging, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, England, SY10 7AG, UK. radhesh.lalam@rjah.nhs.uk. 2. Department of Orthopaedic Oncology, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, England, SY10 7AG, USA. 3. Department of Diagnostic Imaging, Robert Jones and Agnes Hunt Orthopaedic Hospital, Oswestry, England, SY10 7AG, UK.
Abstract
INTRODUCTION: Pigmented villonodular synovitis (PVNS) is normally treated by arthroscopic or open surgical excision. We present our initial experience with radiofrequency thermo-ablation (RF ablation) of PVNS located in an inaccessible location in the knee. MATERIALS: Review of all patients with histologically proven PVNS treated with RF ablation and with at least 2-year follow-up. RESULTS: Three patients met inclusion criteria and were treated with RF ablation. Two of the patients were treated successfully by one ablation procedure. One of the three patients had a recurrence which was also treated successfully by repeat RF ablation. There were no complications and all patients returned to their previous occupations following RF ablation. CONCLUSION: In this study we demonstrated the feasibility of performing RF ablation to treat PVNS in relatively inaccessible locations with curative intent. We have also discussed various post-ablation imaging appearances which can confound the assessment for residual/recurrent disease.
INTRODUCTION:Pigmented villonodular synovitis (PVNS) is normally treated by arthroscopic or open surgical excision. We present our initial experience with radiofrequency thermo-ablation (RF ablation) of PVNS located in an inaccessible location in the knee. MATERIALS: Review of all patients with histologically proven PVNS treated with RF ablation and with at least 2-year follow-up. RESULTS: Three patients met inclusion criteria and were treated with RF ablation. Two of the patients were treated successfully by one ablation procedure. One of the three patients had a recurrence which was also treated successfully by repeat RF ablation. There were no complications and all patients returned to their previous occupations following RF ablation. CONCLUSION: In this study we demonstrated the feasibility of performing RF ablation to treat PVNS in relatively inaccessible locations with curative intent. We have also discussed various post-ablation imaging appearances which can confound the assessment for residual/recurrent disease.
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