Acute benign edematous polysynovitis in the elderly, also called RS3PE syndrome (acronym for remitting seronegative symmetrical synovitis with pitting edema), is a heterogeneous rheumatologic disease that is part of inflammatory arthritis and whose cause is unknown. It is presented exclusively in the population of aged adults with polyarticular affection associated with edema, swelling and functional limitation and has, in general, a good prognosis. We describe the case of a 70-year-old man who presents six of the seven
