Objective:To investigate the effective means for the diagnosis and treatment of acute arterial embolism of the lower extremity complicated with myonephropathic metabolic syndrome(MMS).

Results: There were 13 cases of arteriosclerosis obliterans, 11 cases of diabetic extremital gangrene, 5 cases of thromboangiitis obliterans, and 3 cases of arterious embolism of lower extremities.

Methods Radioactive pulmonary perfusion imaging was performed in 25 patients clinically suspected for acute pulmonary embolism, meanwhile, imaging of deep veins of lower limb was taken.