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鼻腔NK/T细胞淋巴瘤的CT及MRI诊断

Journal of Clinical Radiology(2014)

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Abstract
目的 分析和总结鼻腔自然杀伤细胞/T细胞淋巴瘤(NKTCL)的CT及MRI表现特点.方法 回顾性分析34例经组织病理证实的鼻腔NKTCL的影像学资料.结果 病灶位于一侧鼻腔21例,双侧鼻腔13例.CT检查29例,病灶密度均匀7例,不均匀22例;增强扫描10例,均呈轻中度强化.骨质破坏15例,呈轻微浸润性骨质破坏.MR检查11例,T1WI表现为等信号10例,1例呈混杂信号;T2WI呈稍高信号5例,等信号5例,混杂信号1例;增强扫描7例,病变轻度强化3例,中度强化3例,重度强化1例.33例(33/34)肿瘤伴邻近结构侵犯,多见于鼻翼、鼻后孔、鼻咽、鼻旁窦、颊面部软组织及翼腭窝等部位.结论 鼻腔NKTCL极易累及邻近结构而骨质结构轻微破坏,出现此征象可提示诊断.
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Key words
Lymphoma,Nasal cavity,Tomography,X-ray computed,Magnetic resonance imaging
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