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钆在脑脊液中的持续存在:终末期肾病患者的诊断陷阱。

Persistence of gadolinium in CSF: a diagnostic pitfall in patients with end-stage renal disease.

作者信息

Rai A T, Hogg J P

机构信息

Department of Radiology, West Virginia University, 2278 HSCS, Morgantown, WV 26506-9235, USA.

出版信息

AJNR Am J Neuroradiol. 2001 Aug;22(7):1357-61.

Abstract

Two dialysis-dependent patients with end-stage renal disease underwent brain and spine MR imaging a few days after having undergone gadolinium-enhanced imaging studies. Increased signal intensity in the subarachnoid space on T1-weighted and fluid-attenuated inversion recovery images was noted. Excretion of gadolinium into the CSF was proven in one case by mass spectrometry. Dialysis-dependent patients with end-stage renal disease and neurologic abnormalities often undergo contrast-enhanced MR imaging. Recognition that these patients may show increased signal intensity in the subarachnoid space because of gadolinium excretion into CSF may prevent diagnostic errors.

摘要

两名依赖透析的终末期肾病患者在接受钆增强成像检查几天后接受了脑部和脊柱磁共振成像。在T1加权像和液体衰减反转恢复像上,蛛网膜下腔信号强度增加。在一例患者中,通过质谱法证实钆排泄到脑脊液中。依赖透析的终末期肾病和神经系统异常患者经常接受对比增强磁共振成像。认识到这些患者可能由于钆排泄到脑脊液中而在蛛网膜下腔显示信号强度增加,这可能会防止诊断错误。

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