ABSTRACT
Objective To investigate the curative effect and clinical application value of ultrasound-guided low-power microwave ablation in treating liver cancer with special sites (including the leiosn near the gallbladder,diaphragmatic dome,gastrointestine, heart,blood vessels and hepatic portal canal with the shortest distance between the tumor and the organs or lumen less than 0.5 cm). Methods Forty patients with liver cancer with special sites including neighboring the gallbladder in 9 cases,diaphragmatic dome in 7 cases,gastrointestine in 5 cases,portal vein in 1 1 cases,hepatic vein in 3 cases,inferior vena cava in 3 cases and heart in 2 cases were selected as the treatment group and other 40 cases with primary liver cancer with common site were selected as the control group by stratified random selection,during the same period.Ultrasound-guided microwave ablation was performed,all patients were followed up at 6 months,12 months,18 months and 24 months,and the survival rate was calculated.Results The negative rate of AFP in the treatment group and control group was 83.0% and 82.0%,respectively.The survival rates of the treatment group and the control group at 6 months,12 months,18 months and 24 months were 100.0%,95.0%,90.0%,80.0% and 100.0%,97.5%,92.5%,85.0%. Conclusion Ultrasound-guided low-power microwave ablation in treating the liver cancer with special sites is very effective and safe. The curative effect is similar to that of liver cancer with common site and can be widely used in clinic.
ABSTRACT
Objective To explore the value of vascular enhancement technology (VET) in the evaluation of therapeutic efficacy of stenting for Budd-Chiari syndrome (BCS).Methods Two-dimensional ultrasound,color Doppler and VET were performed on 39 BCS patients with 41 stents,the static and dynamic images of stents and vessels with stents were stored.VET and two-dimensional ultrasound imaging quality of intravascular stent were compared.Patients with stent stenosis found by ultrasound were examined by digital subtraction angiography(DSA).The ranges of stent thrombosis were measured by DSA and VET and the difference was compared.Results VET image quality scores of endovascular stent were higher than those of the two-dimensional ultrasound,the difference was statistically significant.The ranges of stent thrombosis measured by VET were similar to DSA.Conclusions VET can improve the clarity of intravascular stents.VET and color Doppler can enhance the clinical value of ultrasound in the evaluation of therapeutic efficacy of stenting for BCS.