<unk>  (or sometimes<unk>  is a rare syndrome identified by symmetric polyarthritis,<unk> , acute<unk><unk>  (swelling) of the back of the hands and/or feet, and a negative serum rheumatoid factor. If no underlying disorder can be identified (idiopathic<unk> , this entity has an excellent prognosis and responds well to treatment.<unk>  typically involves the joints of the extremities, specifically the metacarpophalangeal and proximal interphalangeal joints, wrists, shoulders, elbows, knees and ankles. It is more common in older adults, with the mean age between 70 and 80 years in most studies. It occurs more often in men than in women with a 2:1 ratio. It is unknown how common this condition is.
Remitting seronegative symmetrical synovitis with pitting edema
Interstitial granulomatous dermatitis with arthritis
Proliferative fasciitis and proliferative myositis
Chronic recurrent multifocal osteomyelitis
Photosensitivity with HIV infection
Blistering distal dactylitis
Pruritic papular eruption of HIV disease
Neuralgia-inducing cavitational osteonecrosis