I wonder if RS3PE is causing the swelling in my right hand, going on for 2 months. link;
"RS3PE syndrome – The RS3PE syndrome [52] refers to Remitting Seronegative Symmetrical Synovitis with Pitting Edema, also described as the puffy edematous hand syndrome or distal extremity swelling with pitting edema (picture 3). In this syndrome, distal symptoms and signs, often of sudden onset, are pronounced, though careful musculoskeletal examination will usually also disclose some degree of limited range of motion about the shoulders. Swelling, which is usually pitting, extends over the dorsa of the wrists to the metacarpophalangeal joints, producing the appearance of a "boxing glove," with limited range of motion of the hands and wrists. Assays for rheumatoid factor and anti-CCP are negative [53]. Ultrasound (US) and magnetic resonance imaging (MRI) demonstrate prominent extensor tenosynovitis of the extensor tendon of the forearms and hands, with lesser amounts of flexor tenosynovitis and synovitis of the metacarpophalangeal and proximal interphalangeal joints [54]. An association with solid tumors and hematologic disorders has also been reported, but in clinical practice such an occurrence is rare [55,56].