Objective To study the application of high frequency color doppler ultrasound(CDUS)on therapeutic evaluation of rheumatoid arthritis wrist lesions.Methods 124 RA patients were examined by high frequency CDUS.The thickness of synovial membrane were measured.The blood flow in synovial membrane was determined by CDUS.The cave of articulation and bone were observed.And they were reexamined after treatment.Results The thickness of synovial membrane of RA wrists were 3.59±1.37 mm,The blood flow classification:0 b...