Synovial fluid pseudoleukocytosis.
D001168:Arthritis / Q000097:blood / Q000473:pathology; D003951:Diagnostic Errors; D005189:False Positive Reactions; D006395:Hemarthrosis / Q000097:blood; D006801:Humans; D007719:Knee Joint; D007958:Leukocyte Count / Q000379:methods; D007964:Leukocytosis / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D013582:Synovial Fluid / Q000166:cytology*