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Papers of the Week

2019 Mar

ACR Open Rheumatol



Sympathetic Joint Effusion in an Urban Hospital.


Tan IJ, Barlow JL
ACR Open Rheumatol. 2019 Mar; 1(1):37-42.
PMID: 31777778.


Sympathetic joint effusion (SJE) and sympathetic synovial effusion (SSE) are recognized as causes of noninflammatory effusion with <2000 white blood cell (WBC) WBC/mm in the joint and bursa, respectively. Data on normal range SJE/SSE with <200 WBC/mm are unknown. We aimed to investigate the incidence, disease characteristics, and associated triggers of normal range SJE/SSE and to propose diagnostic criteria.