Spiral computed tomography in diagnosis of gastrointestinal stromal tumors

LI Yongmei

doi:10.13406/j.cnki.cyxb.2007.07.028

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Spiral computed tomography in diagnosis of gastrointestinal stromal tumors

更新时间：2024-01-17

- Spiral computed tomography in diagnosis of gastrointestinal stromal tumors
- Journal of Chongqing Medical University Issue 7, Pages: 739-742(2007)
- 作者机构：
  
  1. 重庆医科大学附属第一医院放射科
  2. 重庆医科大学附属第一医院放射科,重庆,400016
- 作者简介：
- 基金信息：
- DOI：10.13406/j.cnki.cyxb.2007.07.028
  CLC： R735
- Published：2007，
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[1]李咏梅,罗天友,吕发金,吴景全,向东,史斌,方维东.胃肠道间质瘤螺旋CT诊断及其价值[J].重庆医科大学学报,2007(07):739-742.

LI Yongmei. Spiral computed tomography in diagnosis of gastrointestinal stromal tumors. [J]. Journal of Chongqing Medical University (7):739-742(2007)
[1]李咏梅,罗天友,吕发金,吴景全,向东,史斌,方维东.胃肠道间质瘤螺旋CT诊断及其价值[J].重庆医科大学学报,2007(07):739-742. DOI： 10.13406/j.cnki.cyxb.2007.07.028.

LI Yongmei. Spiral computed tomography in diagnosis of gastrointestinal stromal tumors. [J]. Journal of Chongqing Medical University (7):739-742(2007) DOI： 10.13406/j.cnki.cyxb.2007.07.028.

摘要

目的:探讨胃肠道间质瘤的螺旋CT影像学表现及其诊断价值。方法:收集经手术和病理证实的胃肠道间质瘤患者扫描资料18例进行回顾性分析。18例行螺旋CT平扫和增强检查。结果:肿瘤位于食道1例

胃8例

肠系膜7例

空肠2例。良性6例

恶性12例

其恶性征象:①肿瘤呈分叶;②瘤体内有大片坏死;③瘤体内或瘤旁常伴丛状或扭曲的新生小血管和增粗的供血动脉;③邻近组织侵犯和（或）远处转移。本组CT定位准确度为61.1%（11/18）。手术和病理学检查:肿瘤为良性4例

增生活跃2例

恶性12例。结论:螺旋CT扫描有助于胃肠道间质瘤良恶性的判断和肿瘤的分期

对指导临床治疗和估计预后有一定的价值。

Abstract

Objective:To investigate the imagings and value of Spiral CT(SCT)in the diagnosis of gastrointestinal stromal tumors (GIST).Methods:18 patients with surgically and pathologically proved GIST were collected and retrospectively analyzed.Spiral CT plain and enhancement scanning were performed in 18 cases.Results:Of the 18 cases

1 was located in esophagus

8 in stomach

7 in mesentery and 2 in jejunum

respectively.There are 6 benign and 12 malignant cases.The characteristic ap- pearances of the malignant cases were as follows:①the tumors were lobular in shape;②the lesions contained large patchy necrosis;③around and inside the tumor

small vessels arranged in clumps or distortion

and the supply arteries were seen;④invasion of adjacent tissues and/or distance metastasis happened.The positive predictive value of SCT for location of GIST was 61.1%(11/18).By surgery and pathology

benign GIST was identified in 4 cases

malignant in 12cases

and active prolifera- tion in 2 cases.Conclusions:SCT is helpful in differentiating benign GIST from malignant as well as its stages

instructing clinical treatment and estimating prognosis.

关键词

胃肠道肿瘤间质瘤体层摄影术X线计算机

Keywords

Gastrointestinal tract tumorStromal tumortomographyX-ray computed

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