肾嗜酸粒细胞腺瘤1例报告并文献复习

Journal of Practical Medical Imaging(2008)

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Abstract
目的研究肾嗜酸细胞腺瘤(RO)的CT表现。方法1例44岁女性经病理组织学证实为RO患者,继X线胸片,腹部彩色多普勒超声及实验室检查后又经腹部CT平扫与增强扫描。RO的CT表现是结合文献复习分析的。结果CT平扫证实,在右肾下极背侧实质内有一大小约2.4cm×2.2cm的低密度区,边缘清楚,边缘密度高于中央密度。增强扫描皮质期,病灶边缘明显强化,中央呈片状轻度强化,实质期病灶边缘密度减低,中心部位强化伴低密度无强化区,肾盂期病灶边缘密度仍较低,对比剂逐渐向中央填充并呈轻度强化伴缩小的低密度区。结论RO虽然具有某些CT强化特征,但确诊需依据穿刺活检或术后病理。
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Key words
X-ray computed,Tomography,Renal oncocytoma,Enhanced scan
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