原发腹膜后副神经节瘤与神经鞘瘤的CT表现对比研究

发布时间：2018-04-20 08:21

本文选题：腹膜后 + 副神经节瘤　；参考：《中国医学计算机成像杂志》2017年03期

【摘要】：目的:比较原发腹膜后副神经节瘤与神经鞘瘤的CT影像表现,以提高对副神经节瘤与神经鞘瘤的诊断水平。方法:搜集经手术切除且病理证实的原发腹膜后副神经节瘤17例及神经鞘瘤10例的临床及CT影像资料,并对其CT图像进行分析,包括病变的位置、大小、形态、质地(有无坏死、囊变、出血或钙化)、增强模式及强化程度等,采用SPSS18.0软件包对两组数据进行统计处理。结果:原发腹膜后副神经节瘤与神经鞘瘤在病变的大小、形态、质地以及出血、钙化等无统计学意义(P0.05),但在增强扫描表现上则具有明显差别,副神经节瘤动脉期明显强化,静脉期强化稍减弱,神经鞘瘤则呈轻中度渐进性延迟强化;两组肿瘤在平扫(P=0.001)、动脉期强化值(ΔCTa)(P=0.001)、静脉期强化值(ΔCTv)(P=0.004)及静脉期与动脉期强化差值(ΔCTv-a)(P=0.005)之间具有统计学意义,且副神经节瘤多发生在腹主动脉旁(15/17),而神经鞘瘤则多发生在肾门脊柱旁(5/10)及盆骶前区(2/10)。结论:原发性腹膜后副神经节瘤与神经鞘瘤的CT表现对比中,肿瘤的发生位置、增强模式以及强化程度的差异有助于两者的鉴别诊断。
[Abstract]:Objective: to compare the CT findings of primary retroperitoneal paraganglioma and schwannoma in order to improve the diagnostic level of paraganglioma and schwannoma. Methods: the clinical and CT images of 17 cases of primary retroperitoneal paraganglioma and 10 cases of schwannoma were collected and analyzed, including the location, size and shape of the lesion. Texture (necrosis, cystic change, hemorrhage or calcification, enhancement model and enhancement degree) were analyzed by SPSS18.0 software package. Results: the size, shape, texture, bleeding and calcification of primary retroperitoneal paraganglioma and schwannoma were not statistically significant (P 0.05), but there was a significant difference in contrast enhancement between primary retroperitoneal paraganglioma and schwannoma, and the arterial phase of paraganglioma was significantly enhanced. The enhancement of vein phase was slightly weakened, and that of neurilemmoma was mild and moderate progressive delayed enhancement. There were statistical significance between the two groups in the enhancement of arterial phase (螖 C _ Tahlang P _ (0.001)), venous phase enhancement value (螖 CTV) and arterial phase enhancement value (螖 CTv-a P0. 005), and the difference between venous phase and arterial phase (螖 CTv-A P0. 005) was found in the two groups, and there was no significant difference between the two groups in the enhancement of arterial phase (螖 CTv-aP0. 005). Paragangliomas occurred in 15 / 17 of the abdominal aorta, while schwannomas occurred in 5 / 10 of the hilar vertebrae and 2 / 10 in the presacral area of the pelvis. Conclusion: the CT findings of primary retroperitoneal paraganglioma and schwannoma are helpful to the differential diagnosis of primary retroperitoneal paraganglioma.
【作者单位】：浙江省湖州市长兴县中医院放射科;浙江大学第一附属医院放射科;
【分类号】：R730.44;R735.4

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