自制水模在3.0T MRI颈部脂肪抑制序列扫描中的价值

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Abstract Objective: To investigate the application value of self-made water phantom in 3.0T MRI cervical frequency selective saturated fat-suppression sequence scan. Methods: Necks of 30 volunteers were treated with FS TSE(rapid spin echo) T1WI and FS TSE T2WI scan by same parameters of routine and water phantom sequences, respectively. The obtained images were subjective and objectively evaluated for comparative analysis. Results: During subjective evaluation, FS TSE T1WI grading were 1 case and 30 cases at grade 0, 4 cases and 0 case at grade 1, 8 cases and 0 case at grade 2, 17 cases and 0 case at grade 3 in routine group and water phantom group, respectively(all P<0.05). FS TSE T2WI grading were 0 case and 1 case at grade 0, 1 case and 29 cases at grade 1, 8 cases and 0 case at grade 2, 21 cases and 0 case at grade 3 in routine group and water phantom group, respectively(all P<0.05). During objective evaluation, signal to noise ratio of FS TSE T1WI at mandibular angle, cricoid and sternocleidomastoid muscle at sternoclavicular joint level were 25.00(4.53, 72.65) and 103.72 (99.77, 108.04), 9.05(3.45, 60.32) and 118.80(106.59, 123.94), 19.00(3.35, 61.21) and 101.74(87.38, 110.29) in routine group and water phantom group, respectively(all P<0.05); signal to noise ratio of FS TSE T1WI were 8.30(3.63, 13.91) and 15.26(12.68, 17.50), 3.84(2.86, 11.95) and 15.06(12.76, 16.88), 5.06(2.71, 13.40) and 14.46(11.47, 15.68) in routine group and water phantom group, respectively(all P<0.05). Conclusion: For 3.0T MRI cervical FS sequence scan, water phantom can obviously improve image quality, be operated simply and easy to popularize.

Key words： Neck Magnetic resonance imaging

Received: 03 August 2016

PACS:	Ｒ653
	Ｒ445.2

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	WANG Rong
	ZHU Da-rong
	HAN Zhi-jiang
	DING Jin-wang

Cite this article:

WANG Rong,ZHU Da-rong,HAN Zhi-jiang, et al. The value of self-made water phantom for 3.0T MRI cervical fat-suppression sequence scan[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2017, 28(3): 166-168.

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http://www.jccmi.com.cn/EN/ OR http://www.jccmi.com.cn/EN/Y2017/V28/I3/166

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