Two-stage TKA for tuberculosis septic arthritis of the knee masquerading as pigmented villonodular synovitis: A case report期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Two-stage TKA for tuberculosis septic arthritis of the knee masquerading as pigmented villonodular synovitis: A case report

Institution:	1. Division of Pediatric Orthopedic Surgery, Children’s Hospital Zagreb, Zagreb, Croatia;2. Department of Orthopedic Surgery, University Hospital Centre Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia;3. Department of Technology, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Zagreb, Croatia;4. Department of Forensic Medicine and Criminology, School of Medicine, University of Zagreb, Croatia;5. Department of Materials, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Zagreb, Croatia;1. Department of Orthopaedic Surgery, George Washington University School of Medicine and Health Sciences, Washington, DC, United States;2. University of Missouri-Kansas City School of Medicine, Kansas City, MO, United States;3. Department of Orthopaedic Surgery, Johns Hopkins, Columbia, MD, United States;1. Department of Orthopedic Surgery, Yamagata University Faculty of Medicine, Yamagata-city, Yamagata, Japan;2. Department of Orthopedic Surgery, Miyukikai Hospital, Kaminoyama, Yamagata, Japan;3. Department of Orthopedic Surgery, Yamagata Prefectural Shinjo Hospital, Shinjo, Yamagata, Japan;4. Department of Public Health Sciences, Yamagata Prefectural University of Health Sciences, Yamagata-city, Yamagata, Japan

Abstract:	A 25-year-old female presented with left knee pain following arthroscopic synovectomy for presumed pigmented villonodular synovitis (PVNS). Radiographs and magnetic resonance imaging demonstrated tricompartmental arthritic changes. She underwent a two-stage procedure first involving antibiotic spacer implantation, followed 1 week later by spacer removal and definitive total knee arthroplasty (TKA) once initial intraoperative culture results were negative. Subsequent cultures confirmed tuberculosis septic arthritis. Repeat evaluation 1 year postoperatively showed no complications and patient satisfaction with left knee function. This is a unique case report in the United States describing 1-year outcomes following staged TKA for tuberculosis septic arthritis masquerading as PVNS.

Keywords:	Antibiotic spacer Knee outcomes Pigmented villonodular synovitis Septic arthritis Total knee arthroplasty Tuberculosis
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