抄録
36 y-o male patient who had had quite usual clinical course of palindromic rheumatism was reported. Immune complexes were present and the complement activity was low both in the serum and synovial fluid at the acute phase. although it was within normal range during remission. Serum Cl esterase inhibitor was normal. Cold activation was noted in the complement system, though the mechanism was not analyzed precisely. Immune complexes were suggested to play a role in the pathogenesis of the arthritis in this patient.
