Orthopaedics MCQ MCQ #898 Medium What is the main molecular basis for the development of pigmented villonodular synovitis (PVNS)? A Overexpression of the CSF1 gene due to translocation B Mutations in the TP53 gene C Increased vascular endothelial growth factor (VEGF) D Hyperactivity of the inflammatory cytokines Check answer Practice more MCQs Explain further