磁敏感加权成像在脑部钙化和脑微出血诊断中的应用价值

Abstract
Figure/Table
References (0)
Related Citation (9)

Download: PDF (1488 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract Objective: To evaluate the clinical value of susceptibility weighted imaging (SWI) in the detection and differentiation of intracranial calcifications and chronic microbleeds. Methods: The clinical data of 100 patients with cerebral calcification or microhemorrhage in Wenzhou Medical University Affiliated Zhoushan Hospital from October 2013 to October 2016 were retrospectively analyzed. MRI scans were performed on SWI sequences. These lesions were centering and quantitatively analyzed by two observers. Results: There were 76 calcifications in 50 patients, and other 50 patients had 245 microbleeds. The SWI sequence found that calcification had good observation ability (k=0.7). All the chronic microbleeds were seen on SWI but there was only moderate inter observer agreeability in evaluation of signal on phase component (k=0.5). Average pixel values of calcifications and chronic microbleeds were (-312.5±187.5) SD and (541.9±301.7) SD on phase SWI, respectively (P<0.001). Conclusion: Phase SWI can play an important role in the detection of intracranial calcifications and chronic microbleeds.

Key words： cerebral calcification cerebral hemorrhage susceptibility weighted imaging

Received: 01 November 2017

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	JIN Meiyu
	JIN Hongguo
	FAN Yanfen
	YANG Rong
	KOU Xuelian

URL:

https://xb.wmu.edu.cn/EN/ OR https://xb.wmu.edu.cn/EN/Y2018/V48/I6/454

[1] WU Z, MITTAL S, KISH K, et al. Identification of calcification with MRI using susceptibility-weighted imaging: A case study[J]. J Magn Reson Imaging, 2009, 29(1): 177-182.
[2] MAKARIOU E, PATLISALIDES A D. Intracranial calcifi-cations[J]. Appl Radiol, 2009, 38(11): 48-60.
[3] NUTE J L, ROUX L L, CHANDLER A G, et al. Differentiation of low attenuation intracranial hemorrhage and calcification using dual-energy computed tomography in a phantom system[J]. Invest Radiol, 2015, 50(1): 9-16.
[4] 衣慧灵, 刘兰祥, 齐曦明, 等. SPGR-T2*WI鉴别颅内出血和钙化的定量分析[J]. 放射学实践, 2013, 28(6): 623-627.
[5] 林一锱, 高源统, 严志汉. 磁敏感加权成像在早产儿颅内出血诊断中的应用价值[J]. 温州医科大学学报, 2015, 45 (8): 611-614.
[6] 刘孟辉, 刘建玲, 周志凌, 等. 定量磁敏感图在神经系统中的研究进展[J]. 国际医学放射学杂志, 2017, 40(3): 258-261.
[7] 兰振. 磁共振磁敏感加权成像在脑部疾病中的应用[J]. 实用医技杂志, 2016, 23(6): 613-614.
[8] SHAMS S, MARTOLA J, CAVALLIN L, et al. SWI or T2*: Which MRI sequence to use in the detection of cerebral microbleeds? The Karolinska Imaging dementia study[J]. AJNR Am J Neuroradiol, 2015, 36(6): 1089-1095.
[9] ZHU W Z, QI J P, ZHAN C J, et al. Magnetic resonance susceptibility weighted imaging in detecting intracranial calcification and hemorrhage[J]. Chin Med J (Engl), 2008, 121(20): 2021-2025.
[10] BARBOSA J H, SANTOS A C, SALMON C E. Susceptibility weighted imaging: Differentiating between calcification and hemosiderin[J]. Radiol Bras, 2015, 48(2): 93-100.
[11] CIRACI S, GUMUS K, DOGANAY S, et al. Diagnosis of intracranial calcification and hemorrhage in pediatric patients: Comparison of quantitative susceptibility mapping and phase images of susceptibility-weighted imaging[J]. Diagn Interv Imaging, 2017, 98(10): 707-714.
[12] ZULFIQAR M, DUMRONGPISUTIKUL N, INTRAPIROMKUL J, et al. Detection of intratumoural calcification in oligodendrogliomas by susceptibility-weighted MR imaging [J]. AJNR Am J Neuroradiol, 2012, 33(5): 858-864.