| 肝脏铁过度沉着的磁共振成像 |
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| 引用本文： | 马林 叶慧义. 肝脏铁过度沉着的磁共振成像[J]. 中华放射学杂志, 1996, 30(10): 686-688 |
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| 作者姓名： | 马林 叶慧义 |
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| 作者单位： | 解放军总医院放射科 |
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| 摘 要： | 目的：描述肝脏铁过度沉着的磁共振表现，对原发性和继发性铁过度沉着进行鉴别。材料与方法：对８例铁过度沉着患者进行肝脏ＭＲＩ扫描，并对Ｔ２加权像（Ｔ２ＷＩ）进行回顾性分析。结果：Ｔ２ＷＩ对病变的显示较敏感。无论何种病因，肝脏均呈均匀性低信号；而胰腺和脾脏则依病因不同，分别呈现低信号。结论：ＭＲＩ对肝脏等器官的铁过度沉着诊断较为准确，将ＭＲＩ影像与临床资料相结合，能够鉴别原发性和继发性铁过度沉着，在加深对本病的认识、协助治疗及判断预后等方面有较大意义。
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| 关 键 词： | 铁质沉着 磁共振成像 肝 |
MRimagingofliverironoverload |
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| MaLin,YeHuiyi,GaoYuangui,et al.. MRimagingofliverironoverload[J]. Chinese Journal of Radiology, 1996, 30(10): 686-688 |
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| Authors: | MaLin YeHuiyi GaoYuangui et al. |
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| Affiliation: | MaLin,YeHuiyi,GaoYuangui,etal.DepartmentofRadiolo-gy,theGeneralHospitalofPLA,Beijing100853 |
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| Abstract: | Purpose:TodescribetheMRfindingsinliverironoverload,andtodiferentiatetheprimary(parenchymal)fromthesecondary(reticuloendothelial)ironaccumulation.Materialsandmethods:HepaticMRimagingwasperformedin8patientswithclinicalyprovedliverironoverload.T2-weightedMRimageswereretrospectivelyanalysed.Results:T2-weightedMRimageswereverysensitiveinshowingthesignalchangescausedbyirondeposition.Theliverdemonstratedhomoge-neouslowsignalinal8casesregardlessoftheunderlyingcauses,whereasinextrahepaticorgans(pancreasandspleen),lowsignalintensitiesoccurredindiferentconditions.Conclusion:MRimag-ingisnotonlyaccurateinmakingthediagnosisofliverironoverload,butalsoveryusefulindistin-guishingtheprimaryfromthesecondaryhepaticironaccumulationwhencombinedwiththeclinicalhistory.MRimagingisanidealimagingmethodprovidingadditionalinformationofthedisorderandishelpfulinplanningthetherapyandevaluatingtheprognosis. |
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| Keywords: | SiderosisMagneticresonanceimagingLiver |
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