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Comparison of diagnostic value in different parts and staging gastric cancer with 64-slice spiral CT / 实用放射学杂志
Journal of Practical Radiology ; (12): 799-803, 2014.
Article in Chinese | WPRIM | ID: wpr-447243
ABSTRACT
Objective To evaluate the role of 64-slice spiral CT with diphase dynamic scanning in predicting the T staging of gas-tric carcinoma in different locations and assessing the sensitivity of metastasis of lymph nodes.Methods 185 patients with gastric carcinoma proved by pathology underwent diphase 64-slice CT scan and performed a TNM staging according to UICC classification. The results were compared with surgical pathological findings.Results The detection sensitivity for earlier stage gastric carcinoma was 92.0% and 99.4% for the advanced stage gastric carcinoma,While the overall accuracy rates of T and N staging were 85.4%, 69.2% respectively.Compared with the pathologic findings,the accuracy rate of CT scan for T1,T2,T3,T4 staging was 72.0%, 69.6%,90.8% and 83.3% respectively.The differences were statistically significant between T1 and T3,T2 and T3.The accuracy rate of T staging was 86.0%,84.8% respectively when the lesions were located in cardia and in antrum and this difference was not statistically significant.When the lesions were located in the body of the stomach,the differences were also not statistically signifi-cant with the accuracy rate of T staging was 89.5%,86.4% ,87.2% respectively for the lateral wall of the lesser curvature,the posterior wall of the lesser curvature and both the lesser curvature and larger curvature involved.As for the N staging,The accuracy rate of N0,N1,N2,N3 was 54.3%,87.5%,68.1% and 53.6%.The differences were significant statistically between N0 and N1, N1 and N3.Conclusion There was a high accuracy in the preoperative TNM staging of the gastric carcinoma with 64-slice spiral CT. The accuracy rate of T staging of the gastric carcinoma is not relative to the lesion’s location.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Journal of Practical Radiology Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study / Prognostic study Language: Chinese Journal: Journal of Practical Radiology Year: 2014 Type: Article