What is RA? RA is a chronic polyarticular inflammatory arthritis that involves not only small joints of the hands and feet but also systemic organs. Pathologic change: chronic synovitis with pannus (血管 翳)formation
Background Carbon monoxide (CO) is a colorless, odorless gas produced by incomplete combustion of carbonaceous material CO is formed as a by-product of burning organic compounds
Pathological changes -- glomerular injury Clinical manifestations --proteinuria / hematuria A group of diseases Complicated causes & mechanisms Various clinical manifestations Different prognosis Multiple treatment