How is acute rheumatic fever differentiated from juvenile idiopathic arthritis (JIA)?

Updated: Jul 25, 2019
  • Author: David D Sherry, MD; Chief Editor: Lawrence K Jung, MD  more...
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Severe joint pain raises the possibility of acute rheumatic fever (also suggested by migratory, but not additive, arthritis with fevers), malignancy with bone marrow–occupying cancers (eg, neuroblastoma, acute lymphocytic leukemia), septic arthritis, and osteomyelitis.

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