胰腺实性假乳头状瘤的CT影像表现分析

R318%R814.42; 目的:分析胰腺实性假乳头状瘤(solid pseudopapillary tumor of pancreas,SPTP)的影像学表现,以提高对该病的认识.方法:回顾性分析经手术及病理证实的28例SPTP患者的临床及影像资料.所有患者均行CT平扫及增强扫描,对病灶的部位、大小、形态、与周围组织关系、囊实比、强化方式等进行综合分析.结果:28例均为女性且均为单发病灶,位于胰头较多见,胰腺尾部次之.病灶大小不等,大多边界清,多呈类圆形及类椭圆形,以胰腺为中心向周围膨胀、外生性生长较多.其中囊、实性成分相间的混合型13例,囊性成分为主型8例,实性成分为主型7例;增强扫描病灶...

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Published in医疗卫生装备 Vol. 41; no. 10; pp. 47 - 59
Main Authors 杨柳青, 张磊
Format Journal Article
LanguageChinese
Published 陆军军医大学第二附属医院放射科,重庆 400037 2020
Subjects
CT
胰腺外分泌肿瘤
增强扫描
胰腺实性假乳头状瘤
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Abstract R318%R814.42; 目的:分析胰腺实性假乳头状瘤(solid pseudopapillary tumor of pancreas,SPTP)的影像学表现,以提高对该病的认识.方法:回顾性分析经手术及病理证实的28例SPTP患者的临床及影像资料.所有患者均行CT平扫及增强扫描,对病灶的部位、大小、形态、与周围组织关系、囊实比、强化方式等进行综合分析.结果:28例均为女性且均为单发病灶,位于胰头较多见,胰腺尾部次之.病灶大小不等,大多边界清,多呈类圆形及类椭圆形,以胰腺为中心向周围膨胀、外生性生长较多.其中囊、实性成分相间的混合型13例,囊性成分为主型8例,实性成分为主型7例;增强扫描病灶实性成分呈渐进性不均匀强化,强化程度低于周围正常胰腺组织,囊性成分及出血灶无明显强化;以囊性成分为主的病灶,动脉期病灶包膜即明显强化;囊性成分为主型或囊、实性成分相间的混合型病变较大时,实性成分附着于病灶周边呈结节样、斑片状或囊、实性成分交叉相间分布,呈"融冰征"或"浮云征";28例病例均无胆总管及胰管扩张.结论:SPTP的CT表现具有一定的特征性,结合其临床特点可对大多病变做出正确的术前诊断,为临床治疗方案的选择提供重要依据.
AbstractList R318%R814.42; 目的:分析胰腺实性假乳头状瘤(solid pseudopapillary tumor of pancreas,SPTP)的影像学表现,以提高对该病的认识.方法:回顾性分析经手术及病理证实的28例SPTP患者的临床及影像资料.所有患者均行CT平扫及增强扫描,对病灶的部位、大小、形态、与周围组织关系、囊实比、强化方式等进行综合分析.结果:28例均为女性且均为单发病灶,位于胰头较多见,胰腺尾部次之.病灶大小不等,大多边界清,多呈类圆形及类椭圆形,以胰腺为中心向周围膨胀、外生性生长较多.其中囊、实性成分相间的混合型13例,囊性成分为主型8例,实性成分为主型7例;增强扫描病灶实性成分呈渐进性不均匀强化,强化程度低于周围正常胰腺组织,囊性成分及出血灶无明显强化;以囊性成分为主的病灶,动脉期病灶包膜即明显强化;囊性成分为主型或囊、实性成分相间的混合型病变较大时,实性成分附着于病灶周边呈结节样、斑片状或囊、实性成分交叉相间分布,呈"融冰征"或"浮云征";28例病例均无胆总管及胰管扩张.结论:SPTP的CT表现具有一定的特征性,结合其临床特点可对大多病变做出正确的术前诊断,为临床治疗方案的选择提供重要依据.
Author 张磊
杨柳青
AuthorAffiliation 陆军军医大学第二附属医院放射科,重庆 400037
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ZHANG Lei
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胰腺外分泌肿瘤
增强扫描
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Title 胰腺实性假乳头状瘤的CT影像表现分析
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