DWI和CE-MRI評價高強度聚焦超聲刀(HIFU)治療子宮肌瘤術(shù)后早期的療效價值比較
本文選題:擴散加權(quán)成像 + 增強掃描; 參考:《山西醫(yī)科大學(xué)》2014年碩士論文
【摘要】:目的:探討DWI和CE-MRI在評價高強度聚焦超聲刀(HIFU)治療子宮肌瘤術(shù)后早期的療效價值對比。 方法:18例患者共48個子宮肌瘤病灶在HIFU治療術(shù)前及術(shù)后一天分別行常規(guī)MRI、DWI檢查及CE-MRI檢查,分別分析術(shù)前、術(shù)后消融區(qū)及殘留區(qū)DWI信號特征及ADC值差異,并比較DWI和CE-MRI所測的肌瘤的消融率。 結(jié)果:48個子宮肌瘤在HIFU治療后一天DWI和CE-MRI均能不同程度的發(fā)現(xiàn)瘤體殘留區(qū)。HIFU術(shù)后一天肌瘤消融區(qū)平均ADC值,較術(shù)前有降低,且差異有顯著性統(tǒng)計學(xué)意義(P0.001);HIFU術(shù)后一天肌瘤殘留區(qū)平均ADC值,較術(shù)前有升高,且差異有顯著性統(tǒng)計學(xué)意義(P0.001); DWI和CE-MRI對術(shù)后一天子宮肌瘤的平均消融率,統(tǒng)計學(xué)差異無意義(P0.05)。 結(jié)論:1、DWI早期評價HIFU治療子宮肌瘤療效是非常有效的方法;2、DWI和CE-MRI在早期評價HIFU治療子宮肌瘤術(shù)后療效方面無明顯差異。
[Abstract]:Objective: to evaluate the efficacy of DWI and CE-MRI in the treatment of uterine leiomyoma with high intensity focused ultrasound (HIFU). Methods Forty-eight uterine leiomyoma lesions in 18 patients were examined with conventional Mr DWI and CE-MRI before and one day after HIFU. The characteristics of DWI signal and the difference of ADC in ablation and residual areas before and after operation were analyzed respectively. The ablation rate of leiomyoma measured by DWI and CE-MRI was compared. Results: the mean ADC value of 48 uterine leiomyomas on one day after HIFU treatment in DWI and CE-MRI could be found in different degree. The mean value of ADC in the ablation area of uterine leiomyoma on one day after operation was lower than that before operation. The difference was statistically significant (P 0.001). The mean ADC value in the residual area of leiomyoma one day after operation was higher than that before operation, and the difference was statistically significant (P 0.001). There was no significant difference between DWI and CE-MRI in the mean ablation rate of uterine leiomyoma one day after operation (P 0.05). Conclusion early evaluation of the effect of HIFU on uterine leiomyoma is a very effective method. There is no significant difference between the early evaluation of HIFU and CE-MRI in the treatment of uterine leiomyoma.
【學(xué)位授予單位】:山西醫(yī)科大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:R737.33
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