Diffuse-Type Tenosynovial Giant Cell Tumor of the Knee with Concurrent Polymicrobial Infection (Klebsiella oxytoca and Group B Streptococcus).

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Abstract

Conflict of interest statement: The authors declare no conflicts of interest. 19. Front Surg. 2023 May 11;10:1075171. doi: 10.3389/fsurg.2023.1075171. eCollection 2023. A rare case of long-term joint swelling caused by pigmented villonodular synovitis in a 3-year-old girl: a case report. Liu Y(#)(1)(2), Liang S(#)(1), Wang W(1). Author information: (1)Department of Orthopedics, Guangzhou Red Cross Hospital of Jinan University, Guangzhou, China. (2)Guizhou Medical University, School of Clinical Medicine, Guiyang, China. (#)Contributed equally The clinical symptoms of pigmented villonodular synovitis (PVNS) are usually insidious and non-specific; therefore, delays in diagnosis and treatment are common. Here, we describe a case of a 3-year-old patient presenting with long-term joint swelling to highlight the significance of considering PVNS as a differential diagnosis in children to prevent misdiagnosis and ensure early treatment. After arthroscopic debridement, our patient had a favorable clinical outcome and was free of recurrence. © 2023 Liu, Liang and Wang. DOI: 10.3389/fsurg.2023.1075171 PMCID: PMC10215558