Diagnostic Value of MSCT Combined With MRI in T Staging of Gastric Cancer

Huiqiong HE; Mengmei ZHANG; Ying YAN; Jing Lei; Yaying YANG; Kaipeng XIE

doi:10.12259/j.issn.2095-610X.S20230227

Volume 44 Issue 2

Feb. 2023

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Article Navigation > Journal of Kunming Medical University > 2023 > 44(2): 133-138

Huiqiong HE, Mengmei ZHANG, Ying YAN, Jing Lei, Yaying YANG, Kaipeng XIE. Diagnostic Value of MSCT Combined With MRI in T Staging of Gastric Cancer[J]. Journal of Kunming Medical University, 2023, 44(2): 133-138. doi: 10.12259/j.issn.2095-610X.S20230227

Citation:

Huiqiong HE, Mengmei ZHANG, Ying YAN, Jing Lei, Yaying YANG, Kaipeng XIE. Diagnostic Value of MSCT Combined With MRI in T Staging of Gastric Cancer[J]. Journal of Kunming Medical University, 2023, 44(2): 133-138. doi: 10.12259/j.issn.2095-610X.S20230227

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Diagnostic Value of MSCT Combined With MRI in T Staging of Gastric Cancer

doi: 10.12259/j.issn.2095-610X.S20230227

1.
Dept. of Radiology，Zhaotong Traditional Chinese Medicine Hospital，Zhaotong Yunnan 657000
2.
Dept. of Radiology，Chengdu Second People’s Hospital，Chengdu Sichuan 610021
3.
Dept. of Radiology，The Second People’s Hospital of Yibin，Yibin Sichuan 644000
4.
Dept. of Radiology，The First Affiliated Hospital of Kunming Medcial University， Kunming Yunnan 650031

Received Date: 2022-12-29
Available Online: 2023-02-01
Publish Date: 2023-02-25

Abstract

Abstract

Objective To explore the diagnostic value of multispiral computed tomograpay （MSCT） combined with magnetic resonance imaging （MRI） in preoperative T staging of gastric cancer. Methods The preoperative imaging data of 57 patients with gastric cancer confirmed by surgery and pathology were collected. All patients were examined by MSCT and MRI within two weeks before surgery. Three methods were used for T staging: （1） MSCT, CT axial position and multiplanar reformation （MPR）; （2）MRI; （3） MSCT combined with MRI. The above preoperative T staging results were compared with the postoperative pathological results to calculate the accuracy, sensitivity, specificity, positive predictive value and negative predictive value of the T staging diagnosis of gastric cancer lesions, analyze and compare the differences between the three methods of T staging diagnosis accuracy, and use Kappa value to test the consistency of the three methods of preoperative T staging diagnosis and pathological results. Results The Kappa values of preoperative T staging and pathological results of MSCT, MRI and MSCT combined MRI were 0.583 （moderate consistency）, 0.646 （strong consistency） and 0.848 （strong consistency）, respectively. The overall accuracy rates were 70.18%, 75.44% and 89.47%, respectively. Analysis and comparison showed that there were statistically significant differences in the accuracy rates of preoperative T staging diagnosis between MSCT and MRI, MSCT and MSCT combined MRI （P < 0.05）. There was no statistically significant difference in the accuracy rates of preoperative T staging diagnosis between MRI and MSCT combined MRI （P > 0.05）. Conclusions The accuracy of preoperative T staging with MRI is higher than that with MSCT. The combined use of MRI and MSCT can effectively improve the accuracy of preoperative T staging diagnosis, which is conducive to the preoperative evaluation of gastric cancer patients and the selection of treatment plans.
- Gastric cancer,
- Neoplasm staging,
- Magnetic resonance imaging,
- Tomography,
- X-ray computer

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References(20)

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