联合应用3D FIESTA-C、T2W IDEAL序列在#br#
臂丛神经相关病变的应用价值

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Abstract Objective: To discuss the application value of 3.0T MRI in brachial plexopathy combined use of 3D FIESTA-C and T2W IDEAL sequence． Methods: ①Coronary scanning of short time inversion recovery sequence(STIR) and T2W IDEAL sequence were scanned on twenty volunteers using GE 3.0T magnetic resonance． The signal to noise ratio（SNR）, contrast to noise ratio(CNR) and image motion artifact were evaluated on this two sequences． ②Twenty-five cases of brachial plexopathy were scanned on 3D FIESTA-C and IDEAL sequence besides general sequences, in which 9 cases underwent Gd-DTPA enhanced MRI． MRI of brachial plexus lesions were evaluated. Results: ①T2W IDEAL was better than STIR(5/20, 9/20) on the image motion artifact. Quantitatively, both SNR and CNR for IDEAL(45.3±12.6 and 27.1±12.1, respectively) were significantly higher(P<0.001) than those for STIR(17.4±6.1 and 8.2±4.7, respectively)． ②The patients’ diseases comprised of: 4 cases of brachial plexus injury lesions(２ preganglionic and postganglionic brachial plexus injury respectively), 13 brachial plexus tumors(primary tumors including 3 neurofibromatosis, 6 schwannomas, 1 malignant nerve sheath tumor; secondary tumors including 3 metastases), 2 radiation neuropathy and acute brachial plexus neuritis respectively, and 4 multiple nerve sheath cysts． Conclusion: T2W IDEAL sequence can display postganglionic brachial plexus perfectly． Combined use of 3D FIESTA-C and T2W IDEAL sequence, the preganglionic and postganglionic brachial plexus lesions can be observed clearly and reliably．

Key words： Brachial plexus neuropathies Magnetic resonance imaging

Received: 22 June 2016

PACS:
	Ｒ745.41
	Ｒ445.2

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	HUANG Li-na
	DING Qing-guo
	LU Yong-ming
	ZHANG Hong-qiang
	QIAN Zheng

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HUANG Li-na,DING Qing-guo,LU Yong-ming, et al. Application of 3.0T MRI in brachial plexopathy combined use of 3D FIESTA-C and T2W IDEAL sequence[J]. JOURNAL OF CHINA MEDICAL IMAGING, 2017, 28(3): 212-215.

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http://www.jccmi.com.cn/EN/ OR http://www.jccmi.com.cn/EN/Y2017/V28/I3/212

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