| 原发性骨淋巴瘤的MRI常见和特征表现 |
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| 引用本文： | 陈任政,张雪林,曲华丽,王建平,苍鹏,彭旭红.原发性骨淋巴瘤的MRI常见和特征表现[J].临床放射学杂志,2011,30(6). |
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| 作者姓名： | 陈任政 张雪林 曲华丽 王建平 苍鹏 彭旭红 |
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| 作者单位： | 1. 广东省阳江市人民医院放射科,529500
2. 南方医科大学附属南方医院影像诊断科,广州,510515 |
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| 摘 要： | 目的探讨原发性骨淋巴瘤(primary bone lymphoma,PLB)的MRI特征,以提高对该病的诊断和鉴别诊断能力。资料与方法 15例经病理证实的PLB均行MRI平扫及增强扫描。镶边征定义为增强扫描时病变骨大片均匀低信号,边缘花边样明显强化;骨皮质开窗征定义为骨内病变与骨外软组织肿块通过一较小的窗口样皮质破坏区相连。结果 (1)病灶内出现镶边征13例,占93.33%,骨皮质开窗征11例,占73.33%。(2)病理上,骨皮质开窗征是由于瘤细胞在骨髓腔内浸润或渗透性生长,骨皮质内骨小梁保存,故骨皮质轮廓大部完整,当瘤细胞局灶破坏骨小梁,使骨皮质溶解性改变而呈现开窗征;镶边征可能是由于中心片状坏死呈低信号,周围肉芽增生血供丰富,呈现花边样明显强化。结论 骨皮质开窗征和镶边征在PLB的MRI表现中出现率高,可作为诊断PLB的常见和特征表现。
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| 关 键 词： | 骨肿瘤 淋巴瘤 磁共振成像 |
Common and Characteristic MRI Features of Primary Bone Lymphoma |
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| CHEN Renzheng,ZHANG Xuelin,QU Huali,et al..Common and Characteristic MRI Features of Primary Bone Lymphoma[J].Journal of Clinical Radiology,2011,30(6). |
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| Authors: | CHEN Renzheng ZHANG Xuelin QU Huali |
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| Institution: | CHEN Renzheng,ZHANG Xuelin,QU Huali,et al.Department of Radiology,Yangjiang Municipal People's Hospital,Yangjiang,Guangdong Province 529500,P.R.China |
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| Abstract: | Objective To study the MRI features of primary bone lymphoma(PLB),in order to improve the diagn-osis.Materials and Methods Fifteen patients with histologically proven primary bone lymphoma underwent MRI examination,including T1-,T2-weighted plain scan and gadolinium contrast scan.The lace-like sign was defined as iso-hypointensity in centre of lesion and hyperintensity lace-like margin on contrast T1WI.The windowing sign in cortical bone was defined as the osteal and parosteal lesions were connected at the ... |
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| Keywords: | Bone neoplasms Primary bone lymphoma Magnetic resonance imaging |
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