Percutaneous needle synovial biopsy of the knee.
D001707:Biopsy, Needle; D006801:Humans; D007592:Joint Diseases / Q000473:pathology*; D007717:Knee / Q000473:pathology*; D007958:Leukocyte Count; D013582:Synovial Fluid / Q000032:analysis* / Q000166:cytology / Q000382:microbiology; D013583:Synovial Membrane / Q000473:pathology*