2005•Journal of medical imagingRequires access
Color Doppler sonography diagnosis of deep venous thrombosis of the lower extremity
Yan Jian-hong
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Abstract
Objective:To evaluate the diagnosis method and clinical significance of the color Doppler sonography diagnosis of deep venous thrombosis of the lower extremity.Methods:34 lower limbs in 30 cases suspected as deep venous thrombosis were examined by CDFI. The results were compared with X-ray angiography or operation.Results:In this group, 22 cases of 30 were found venous thrombosis in the left lower limbs (73.0%), 4 cases in the right (13.3%) and 4 cases in the both (13.3%). In the 34 legs with venous thrombosis, 18 were central (53.0%), 8 were surrounding (23.5%), 8 were extensive (23.5%). All the implicated venous were expansive and were not pressed shriveled (100%). Acute thrombosis were found lower and even echo, and chronic had uneven, high echo. CDFI showed that the blood flow were disapeared in the implicated veins.Conclusion:The CDFI can provide the dependable diagnosis basis for examination and classification of the lower extremity DVT.