An association between remitting seronegative symmetrical synovitis with pitting edema (RS3PE) syndrome and insulin or dipeptidyl peptidase-4 (DPP4) inhibitor therapy were previously reported. We encountered four cases of RS3PE syndrome with type 2 diabetes mellitus or impaired glucose tolerance (IGT) without insulin or DPP4 inhibitor medication.
Keywords: Diabetes mellitus; Impaired glucose tolerance; Remitting seronegative symmetrical synovitis with pitting edema.
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