胰腺囊性病变CT的良恶性鉴别诊断研究

Modern Medical Imagelogy(2011)

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Abstract
目的:采用螺旋CT系统分析探讨胰腺囊性病变的影像学表现及特征,以资鉴别诊断。材料与方法:回顾性分析33例经手术及病理证实的胰腺囊性病变CT平扫加增强特点,对发病部位、大小、形态和囊性病变内部及周边强化特点、结合患者年龄、性别及临床表现,作为鉴别诊断的依据。结果:本组研究中,先天性囊肿1例,假性囊肿26例,浆液性囊腺瘤3例,黏液性囊腺瘤2例,胰腺癌囊变1例。假性囊肿壁薄,无强化,良性囊腺瘤壁较厚、光整,其内可见分隔及壁结节,囊壁及壁结节轻到中度强化,恶性壁厚薄不均,中度强化并边界模糊。结论:胰腺假性囊肿为最好发的囊性病变,囊性肿瘤具有较特征性CT表现,通过CT平扫加增强可对囊性病变的良恶性作出较为准确的判断。
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pancreas wall CT enhancement
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