原发性肾脏神经内分泌肿瘤的CT和MRI表现
R445; 目的 探讨原发性肾脏神经内分泌肿瘤(primary renal neuroendocrine tumor,PRNET)的CT和MRI特征,以提高对该罕见病变的诊断水平.方法 回顾性分析8例经病理证实的PRNETs,4例行CT扫描,3例行MRI扫描,1例同时行CT和MRI扫描,总结其影像学特征,并与病理进行对照分析.结果 8例PRNETs中,6例分化良好,G1和G2级各3例,分化差的G3级2例;双肾各4例,病灶平均直径(4.1±1.7)cm,范围2.0～7.0 cm;类圆形5例,形态不规则3例;囊变4例,出血6例,坏死2例,钙化0例.1例位于肾上极,7例位于肾门附近.分化良好的PRN...
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| Published in | 复旦学报（医学版） Vol. 50; no. 2; pp. 196 - 201 |
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| Main Authors | , , , , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
复旦大学附属中山医院放射科 上海 200032%复旦大学附属中山医院厦门医院放射科 厦门 361015%复旦大学附属中山医院厦门医院放射科 厦门 361015
30.03.2023
上海市影像医学研究所 上海 200032 厦门市恶性肿瘤综合治疗临床医学研究中心 厦门 361015 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1672-8467 |
| DOI | 10.3969/j.issn.1672-8467.2023.02.006 |
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| Abstract | R445; 目的 探讨原发性肾脏神经内分泌肿瘤(primary renal neuroendocrine tumor,PRNET)的CT和MRI特征,以提高对该罕见病变的诊断水平.方法 回顾性分析8例经病理证实的PRNETs,4例行CT扫描,3例行MRI扫描,1例同时行CT和MRI扫描,总结其影像学特征,并与病理进行对照分析.结果 8例PRNETs中,6例分化良好,G1和G2级各3例,分化差的G3级2例;双肾各4例,病灶平均直径(4.1±1.7)cm,范围2.0～7.0 cm;类圆形5例,形态不规则3例;囊变4例,出血6例,坏死2例,钙化0例.1例位于肾上极,7例位于肾门附近.分化良好的PRNETs淋巴结转移1例,脉管癌栓1例.1例分化差的PRNET伴脉管癌栓、肝脏、骨及淋巴结多发转移.CT平扫均呈稍高密度,分化良好的PRNETs实质部分T1WI 3例等信号,1例高信号;T2WI 1例等信号,3例稍低信号;4例ADC图均呈低信号.分化良好的PRENTs增强后呈中度及明显强化,分化差的PRNETs轻中度强化,其中7例呈持续性强化,1例"快进快出"强化.结论 PRNETs影像学表现有一定特征性,好发于肾门附近,CT平扫呈稍高密度,T2WI呈等或稍低信号.分化良好的PRNETs易囊变,增强后中度及明显强化,分化差的PRNETs易出血、坏死,增强后轻中度强化. |
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| AbstractList | R445; 目的 探讨原发性肾脏神经内分泌肿瘤(primary renal neuroendocrine tumor,PRNET)的CT和MRI特征,以提高对该罕见病变的诊断水平.方法 回顾性分析8例经病理证实的PRNETs,4例行CT扫描,3例行MRI扫描,1例同时行CT和MRI扫描,总结其影像学特征,并与病理进行对照分析.结果 8例PRNETs中,6例分化良好,G1和G2级各3例,分化差的G3级2例;双肾各4例,病灶平均直径(4.1±1.7)cm,范围2.0～7.0 cm;类圆形5例,形态不规则3例;囊变4例,出血6例,坏死2例,钙化0例.1例位于肾上极,7例位于肾门附近.分化良好的PRNETs淋巴结转移1例,脉管癌栓1例.1例分化差的PRNET伴脉管癌栓、肝脏、骨及淋巴结多发转移.CT平扫均呈稍高密度,分化良好的PRNETs实质部分T1WI 3例等信号,1例高信号;T2WI 1例等信号,3例稍低信号;4例ADC图均呈低信号.分化良好的PRENTs增强后呈中度及明显强化,分化差的PRNETs轻中度强化,其中7例呈持续性强化,1例"快进快出"强化.结论 PRNETs影像学表现有一定特征性,好发于肾门附近,CT平扫呈稍高密度,T2WI呈等或稍低信号.分化良好的PRNETs易囊变,增强后中度及明显强化,分化差的PRNETs易出血、坏死,增强后轻中度强化. |
| Author | 冒炜 周建军 丁玉芹 王睿婷 唐启瑛 曾蒙苏 钟莲婷 戴辰晨 |
| AuthorAffiliation | 上海市影像医学研究所 上海 200032;复旦大学附属中山医院放射科 上海 200032%复旦大学附属中山医院厦门医院放射科 厦门 361015%复旦大学附属中山医院厦门医院放射科 厦门 361015;厦门市恶性肿瘤综合治疗临床医学研究中心 厦门 361015 |
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| Author_FL | TANG Qi-ying WANG Rui-ting ZENG Meng-su MAO Wei ZHONG Lian-ting ZHOU Jian-jun DING Yu-qin DAI Chen-chen |
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| Keywords | 肾脏 神经内分泌肿瘤(NET) 体层摄影术,X线计算机 磁共振成像 |
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| Snippet | R445; 目的 探讨原发性肾脏神经内分泌肿瘤(primary renal neuroendocrine tumor,PRNET)的CT和MRI特征,以提高对该罕见病变的诊断水平.方法 回顾性分析8例经病理证实... |
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| Title | 原发性肾脏神经内分泌肿瘤的CT和MRI表现 |
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