metatarsophalangeal joint (MTPJ) synovitis

metatarsophalangeal joint (MTPJ) synovitis

MTPJ inflammation and painful, 'boggy' swelling of plantar tissues overlying the affected joint/s, with swelling and separation of toes distal to the affected joint (i.e. 'sunray' sign); characteristic of the initial or early presentation of rheumatoid disease