磁共振波谱和磁敏感加权成像在脑泡型棘球蚴病中的作用

Role of magnetic resonance spectroscopy and susceptibility weighted imaging in cerebral alveolar echinococcosis.

作者信息

Yang Guocai, Zhang Qingxin, Tang Guibo, Xu Hui, Yang Zhen, Guo Jianzhong, Liang Lin, Qi Yonghong

机构信息

Dept. of Radiology (MRI), Qinghai Provincial People's Hospital, Xining, China.

出版信息

Iran J Parasitol. 2015 Jan-Mar;10(1):122-7.

PMID:25904955

原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4403531/

Abstract

BACKGROUND

To analyze the characteristic performance of magnetic resonance spectroscopy (MRS) and susceptibility weighted imaging (SWI) in cerebral alveolar echinococcosis (CAE).

METHODS

We retrospectively analyzed 10 clinical-identified CAE cases MR performance, and summarized the MRS and SWI performance of CAE.

RESULTS

The 10 cases of CAE all had the history of primary HAE, among who 6 cases had single lesion (60%), while the rest 4 cases had multiple lesions (40%); and 4 cases were concomitant with lung metastases. MRI performance: T2WI lesions were coal-like low-signal shadow, with multiple small vesicles inside the lesions; MRS performance: NAA, Cho and Cr significantly reduced, an abnormally high and steep crest was found at 1.4 ppm; the phase diagram and strength diagram of SWI showed isointensity.

CONCLUSION

The MRS and SWI of CAE could provide important supplemental information for the diagnosis of CAE, especially the abnormally high and steep crest at 1.4 ppm provide the reliable image basis for the diagnosis and differential diagnosis of CAE.

摘要

背景

分析磁共振波谱（MRS）及磁敏感加权成像（SWI）在脑泡型包虫病（CAE）中的特征性表现。

方法

回顾性分析10例临床确诊的CAE病例的磁共振成像（MR）表现，总结CAE的MRS及SWI表现。

结果

10例CAE病例均有原发肝泡型包虫病（HAE）病史，其中6例为单发病灶（60%），其余4例为多发病灶（40%）；4例伴有肺转移。MRI表现：T2WI序列上病灶呈煤样低信号影，病灶内见多个小囊泡；MRS表现：N-乙酰天门冬氨酸（NAA）、胆碱（Cho）及肌酸（Cr）明显降低，在1.4 ppm处见异常高尖波峰；SWI的相位图及幅度图呈等信号。