肾嗜酸细胞腺瘤的MSCT的诊断

Chinese Journal of CT and MRI(2014)

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Abstract
目的:认识、总结肾嗜酸细胞腺瘤(RO)的MSCT(多排螺旋CT)表现特征,以提高对本病的CT诊断认识。方法回顾性分析本院8例RO的资料,所有病例均实行MSCT平扫加多期增强扫描,分析病灶的MSCT特点。结果所有8例RO均为单发,CT平扫,平均CT值41HU,所有各病例均无钙化灶。病灶直径3.2cm-6.5cm,6例(75%)病灶边缘清楚,形态规则,无分叶,2例(25%)病灶边缘部分不清楚,形态规则,无分叶。3例(37.5%)见星状或条索状瘢痕。增强扫描,RO病灶均呈中高度强化,皮质期平均CT值约115,实质期平均CT值约128,排泄期平均CT值约105,强化特点为“速升缓降”改变,2例病灶内瘢痕呈延迟强化表现,2例病灶增强扫描皮质期与实质期、排泄期“强化逆转”(图2-4);结论RO具有一定的影像学特点,MSCT平扫加多期增强扫描有助于该病的诊断。
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Kidney Neoplasm,Oncocytoma,X-ray Computed,Tomography
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