肝胆胰外科杂志 ›› 2020, Vol. 32 ›› Issue (8): 484-487.doi: 10.11952/j.issn.1007-1954.2020.08.008

• 论著 临床研究 • 上一篇    下一篇

脾脏硬化性血管瘤样结节性转化的CT诊断与鉴别

赵芳1 ,马周鹏2
  

  1. 1.厦门大学附属第一医院 放射科,福建 厦门 361003;2.上海市金山区中西医结合医院/上海中医药大学附属龙华医院金山分院 放射科,上海 201501
  • 收稿日期:2020-02-06 出版日期:2020-08-15 发布日期:2020-09-06
  • 通讯作者: 马周鹏,主任医师,硕士,E-mail:mzhpabc@163.com。
  • 作者简介:赵芳(1983-),女,山东济宁人,主治医师,在读博士。
  • 基金资助:
    上海市金山区科委面上项目(2018-3-18)。


CT diagnosis and discrimination for sclerosing angiomatoid nodular transformation of the spleen

ZHAO Fang1 , MA Zhou-peng2   

  1. 1Department of Radiology, the First Affiliated Hospital of Xiamen University, Xiamen, Fujian 361003, China;2Department of Radiology, Jinshan Integrated Hospital of Traditional Chinese and Western Medicine of Shanghai/Jinshan Brance of Longhua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai 201501, China
  • Received:2020-02-06 Online:2020-08-15 Published:2020-09-06

摘要:

目的 探讨脾脏硬化性血管瘤样结节性转化(sclerosing angiomatoid nodular transformation of the spleen,SANT)的CT表现。方法 回顾性分析2011年3月至2019年10月间7例经病理学确诊SANT的CT影像学资料及临床资料,并复习相关献。结果 7例均为单发病灶,6例类圆形,1例不规则形。病灶直径3.8~8.9 cm,平均6.9 cm。CT平扫2例呈较均匀的低密度,边界较清晰;其余5例以稍低密度为主,内部及边缘见条片等密度影,边界欠清晰。动态增强动脉期7例均表现为病灶边缘及内部早期强化,门静脉期及延迟期持续向心样强化,5例见较明显的“轮辐征”,以门静脉期较明显;增强后病灶边界变清晰。6例病灶所在区域脾脏增大,其中2例局限突出脾脏轮廓。本组病例均未见腹水、邻近组织的侵犯及转移,腹腔及腹膜后未见肿大淋巴结。结论 SANT的CT表现具有一定特征,多表现为脾脏单发较大的圆形或类圆形肿块,平扫呈等密度或较低密度,增强期外周及内部早期结节状、条状明显强化,延迟期呈持续性明显强化,部分可见“轮辐征”,这些特点对SANT诊断及鉴别有较大价值。

关键词:


Abstract:

Objective To investigate the CT manifestations of sclerosing angiomatoid nodular transformation of the spleen (SANT). Methods The CT and clinical data of 7 cases with SANT proved by pathology were analyzed retrospectively, and the related literatures were reviewed. Results All 7 cases were single lesion, among which 6 were oval and 1 case had irregular shape. The diameter of the focus ranged from 3.8 cm to 8.9 cm, with the mean value of 6.9 cm. CT plain scan showed 2 cases with uniform low density and clear boundary, and the remaining 5 cases were dominated by a slightly lower density, with strip isodensity in the interior and edge, and the boundaries were not clear. On dynamic enhanced CT, 7 cases showed early enhancement of the edge and interior of the focus in artery phase, and continuous centripetal enhancement in portal vein and delayed phase. Among whom, 5 cases showed obvious“spoke wheel sign” especially in portal-vein phase, and clear boundary on enhanced CT. The spleen was swelling in the area of the focus in 6 cases, and local protrusion occurred in 2 cases. Ascites, invasion or metastasis of adjacent structures, or enlarged lymph node of abdominal cavity and retroperitoneum could not be observed in any of the 7 cases. Conclusion The CT manifestation of SANT has certain characteristics, most of which are single large round or oval mass of spleen with equal or low density on unenhanced CT. The peripheral and internal area show obvious enhancement as nodular or strip in the early stage of enhanced CT, with continued obvious enhancement in delayed stage, and“spoke wheel sign” can be observed  in some cases, which is of great value for the diagnosis and identification of SANT.

Key words:


中图分类号: 

  • R657.6| 
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