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原发性骨骼肌非霍奇金淋巴瘤的影像学表现 被引量:9

Primary non-Hodgkin lymphoma of skeletal muscle: imaging findings
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摘要 目的 分析原发性骨骼肌非霍奇金淋巴瘤(NHL)的影像学表现,以期提高对其的认识。方法 经病理证实的原发性骨骼肌NHL5例,均为B细胞来源。其中3例有MR和CT检查,1例仅有CT检查,1例仅有MR检查。2例有X线平片,2例有核素骨显像。结果所有患者均表现为受累肌肉弥漫性肿胀,肌肉轮廓可辨。4例CT平扫密度均匀,与未受累肌肉相近;增强扫描呈轻度强化2例,中等强化1例,强化密度均匀。MR扫描4例,平扫T1WI与周围肌肉相比呈稍低信号,T2WI信号明显高于周围未受累的肌肉。肿瘤内部的信号均匀,未见明显液化坏死区。增强扫描2例肿瘤为均匀强化,强化信号明显高于周围正常肌肉信号。X线平片2例显示骨质未被破坏。核素骨显像2例显示软组织肿块浓聚,骨髓的信号未见异常。结论 原发性骨骼肌NHL的影像学表现有一定的特点,MRI是其最佳的影像学检查方法。 Objective To analyze the imaging manifestations of primary non-Hedgkin lymphoma of skeletal muscle and improve the recognition of this rare disease. Methods Five cases of primary nonHodgkin lymphoma of skeletal muscle proved pathologically underwent imaging exam, including MRI and CT in 3 cases, only MRI in 1 case, only CT in 1 case, X-ray in 2 cases and hone scintigraphy in 2 cases. Retnllts Diffuse enlargements of involved muscle with presentation of overall configuration were observed in all five cases. All 4 cases manifested as homogeneous soft masses, which is isoattenuating to normal muscle on unenhanced CT images. After intravenous injection of contrast media, the masses enhanced homogeneously and slightly (2 cases) or moderately (1 case) on CT images. The lesions were homogenous and had isointense or slightly low signal intensity compared with that of uninvolved muscle on T1 -weighted images and high signal intensity on T2-weighted images. After intravenous injection of contrast media, all 2 eases enhanced homogeneously and moderately with the enhanced signal intensity of involved muscle greatly higher than that of uninvolved muscle on MR images. Two cases of X-ray plain showed no destruction of hone and 2 cases of hone scintigraphy exams showed increased radiotracer uptake of involved muscle with no infiltration of bone marrow. Conclusion There are several characteristics on the imaging of primary non- Hodgkin lymphoma of skeletal muscle. MRI is the optimal imaging method for the diagnosis of this disease.
作者 周良平 彭卫军 杨文涛 唐峰 毛健 ZHOU Liang-ping, PENG Wei-jun, YANG Wen-tao, TANG Feng, MAO Jian. (Department of Radiology, Cancer Hospital of Fudan University, Shanghai 200032, China)
出处 《中华放射学杂志》 CAS CSCD 北大核心 2006年第12期 1303-1306,共4页 Chinese Journal of Radiology
关键词 淋巴瘤 非霍奇金 肿瘤 肌组织 体层摄影术 X线计算机 磁共振成像 Lymphoma, non-Hedgkin Neoplasms, muscle tissue Tomography, X-ray computed Magnetic resonance imaging
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共引文献40

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