LAVA序列在子宫肌瘤高强度聚集超声治疗疗效评估中的价值

doi:10.3969/j.issn.1674-1633.2013.09.008

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摘要目的探讨LAVA（快速容积成像）序列在子宫肌瘤经高强度聚集超声（HIFU）治疗后疗效评估中的价值。方法应用GE Signa HDe 1.5T超导型磁共振LAVA MASK（平扫）和LAVA动态增强技术，观察经HIFU治疗前后的83例子宫肌瘤患者（共117个肌瘤）病灶信号的变化，从而对治疗效果进行评价。结果 106个肌瘤术后病灶信号发生明显改变，表现为凝固性坏死，LAVA MASK信号增高，LAVA动态增强扫描显示病灶血供明显减少；11个肌瘤术后病灶信号及LAVA MASK信号改变不大，LAVA动态增强扫描显示病灶血供未见明显改变。结论 LAVA序列在子宫肌瘤经HIFU治疗后疗效评估中起着极其显著的作用。

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	商增全

关键词 ：核磁共振仪, 磁共振成像, 高强度超声聚焦, 子宫肌瘤, LAVA序列

Abstract：Objective To discuss the value of LAVA (Liver Acceleration Volume Acquisition) sequence in evaluating effects of high-intensity focused ultrasound (HIFU) on hysteromyoma. Methods LAVA MASK and LAVA enhanced-dynamic-scan were performed by GE Signa HDe 1.5T MR system on 83 patients with hysteromyoma (a total of 117 myomata) before and after HIFU to observe lesions signal and evaluate the effects of HIFU treatment. Results By analyzing the results, we found that signals of 106 myomata clearly changed and were characterized by coagulation necrosis, LAVA MASK signal increased, and LAVA enhanced-dynamic-scan displayed significant decrease in blood-supply. Besides, the rest 11 myomata MRI signal showed littler change before and after HIFU treatment as well as LAVA MASK signal, LAVA enhanced-dynamic-scan displayed blood-supply not changes significantly. Conclusion LAVA sequence plays a very important role on evaluating the effects of HIFU treatments.

Key words： nuclear magnetic resonance equipment magnetic resonance imaging high-intensity focused ultrasound hysteromyoma liver acceleration volume acquisition sequence

收稿日期: 2013-01-04

ZTFLH:	R445.2
	R454.3

引用本文:

商增全. LAVA序列在子宫肌瘤高强度聚集超声治疗疗效评估中的价值[J]. 中国医疗设备, 2013, 28(9): 24-26.
SHANG Zeng-quan. Value of LAVA Sequence in Evaluating Effects of High-intensity Focused Ultrasound on Hysteromyoma. China Medical Devices, 2013, 28(9): 24-26.

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http://www.china-cmd.org/CN/10.3969/j.issn.1674-1633.2013.09.008 或 http://www.china-cmd.org/CN/Y2013/V28/I9/24

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