The diagnostic value and accuracy of 64-slice spiral CT in lymph node metastasis of gastric cancer

TAO Hua; SHEN Jinjiang

doi:10.19732/j.cnki.2096-6210.2020.03.019

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The diagnostic value and accuracy of 64-slice spiral CT in lymph node metastasis of gastric cancer

更新时间：2025-12-15

- The diagnostic value and accuracy of 64-slice spiral CT in lymph node metastasis of gastric cancer
- Vol. 29, Issue 3, Pages: 314-318(2020)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19732/j.cnki.2096-6210.2020.03.019
  CLC：
- Published Online：28 June 2020，
  
  Published：28 June 2020
- 稿件说明：
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陶华,申晋疆. 64排螺旋CT对胃癌淋巴结转移的诊断价值及诊断准确率的影响[J]. 肿瘤影像学, 2020, 29(3): 314-318 https://doi.

org/10.19732/j.cnki.2096-6210.2020.03.019
陶华,申晋疆. 64排螺旋CT对胃癌淋巴结转移的诊断价值及诊断准确率的影响[J]. 肿瘤影像学, 2020, 29(3): 314-318 https://doi. DOI： 10.19732/j.cnki.2096-6210.2020.03.019.

org/10.19732/j.cnki.2096-6210.2020.03.019 DOI：

摘要

目的：

探究64排螺旋CT对胃癌淋巴结转移的诊断价值及诊断准确率的影响，为临床诊治提供理论参考。

方法：

收集2016年1月2018年10月复旦大学附属闵行医院收治的82例术后病理学检查证实的胃癌患者及其影像学资料进行研究，采用64排螺旋CT进行检查，以术后病理学检查结果作为金标准。比较转移性淋巴结和非转移性淋巴结长径、短径、短径/长径，以及平扫期、动脉期、门静脉期、平衡期值。对比CT检查结果与手术病理学检查结果，分析CT扫描与术后病理N分期的情况。

结果：

82例患者中，淋巴结转移60例，无淋巴结转移22例；术中取出淋巴结574枚，其中转移性淋巴结401枚，非转移性淋巴结173枚。转移性淋巴结短径、短径/长径，以及平扫期、动脉期、门静脉期、平衡期值均大于非转移性淋巴结，差异有统计学意义（

＜0.05），长径值差异无统计学意义（

＞0.05）。CT诊断符合率为84.15%（69/82），特异度为81.25%（13/16），灵敏度为84.85%（56/66），与术后病理学结果比较差异无统计学意义（

＞0.05）。与术后病理N分期比较，CT诊断N

期准确率为79.41%（27/34），N

期准确率为75.00%（6/8），N

期准确率为76.92%（10/13），N

期准确率为81.25%（13/16），N

期准确率为72.72%（8/11），总准确率为78.05%（64/82）。

结论：

64排螺旋CT应用在胃癌淋巴结转移的诊断检查中，特异度、灵敏度及N分期诊断准确率均比较高，具有较高的诊断价值。

Abstract

Objective:

To explore the diagnostic value and diagnostic accuracy of 64-slice spiral CT on lymph node metastasis of gastric cancer

and provide theoretical reference for clinical diagnosis and treatment.

Methods:

A total of 82 cases of

gastric cancer patients admitted to Minhang Hospital

Fudan University from Jan. 2016 to Oct. 2018 and their imaging data were selected for study. 64-slice spiral CT was used for examination

and the postoperative pathological examination results were taken as the gold standard. The length

short diameter

short/long diameter of metastatic and non-metastatic lymph nodes were compared

as well as the values of plain

arterial

portal

and equilibrium phases. CT examination results and surgical pathological results were compared to analyze the CT scan and postoperative pathological N stages.

Results:

Among the 82 patients

60 had lymph node metastasis and 22 had no lymph node metastasis. During the operation

574 lymph nodes were removed

including 401 metastatic lymph nodes and 173 non-metastatic lymph nodes. The values of short diameter

short diameter/long diameter of metastatic lymph nodes and the values of scan stage

arterial stage

portal vein stage and equilibrium stage were all greater than those of non-metastatic lymph nodes

and the difference was statistically significant (

＜0.05)

while the difference in length diameter was not statistically significant (

＞ 0.05). The CT diagnostic coincidence rate was 84.15% (69/82)

specificity 81.25% (13/16)

and sensitivity 84.85% (56/66)

and the difference was not statistically significant (

＞0.05). Compared with postoperative pathological N staging

CT diagnosis accuracy of N

stage was 79.41% (27/34)

stage 75.00% (6/8)

stage 76.92% (10/13)

stage 81.25% (13/16)

stage 72.72% (8/11)

and total accuracy 78.05% (64/82).

Conclusion:

64-slice spiral CT is of high diagnostic value in the diagnosis and examination of lymph node metastasis of gastric cancer.

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