title: A 16-month-old with left knee swelling.
authors.affiliation: Division of Rheumatology, Children's Memorial Hospital, USA. mcurran@childrensmemorial.org
authors.forename: Megan L
authors.initials: ML
authors.lastname: Curran
mesh_terms: D001170:Arthritis, Infectious / Q000175:diagnosis; D001171:Arthritis, Juvenile / Q000175:diagnosis*; D016918:Arthritis, Reactive / Q000175:diagnosis; D003937:Diagnosis, Differential; D004487:Edema / Q000209:etiology; D005260:Female; D006801:Humans; D007223:Infant; D007719:Knee Joint; D013582:Synovial Fluid / Q000737:chemistry / Q000166:cytology; D014481:United States