Preoperative judging of T-staging of rectal cancer by transrectal biplane ultrasound
10.3760/cma.j.issn.1004-4477.2012.05.017
- VernacularTitle:经直肠双平面超声判断直肠癌术前T分期
- Author:
Jing LI
;
Tong JIAO
;
Zhongquan WU
- Publication Type:Journal Article
- Keywords:
Endosonography;
Rectal neoplasms;
Neoplasm staging
- From:
Chinese Journal of Ultrasonography
2012;21(5):413-415
- CountryChina
- Language:Chinese
-
Abstract:
ObjectiveTo explore the accuracy of judging the T-staging of rectal cancer by biplane transrectal ultrasound.MethodsPathological enteroscopic biopsy was carried out for 197 cases of rectal cancer.Cases of middle and lower rectal cancer without serious obstruction were examined by means of transrectal biplane ultrasound through which to observe the changes of the echoes and to detect the depth of the infiltration in the intestinal walls and the presence of invasions in prostate glands,seminal in male or vesicles,uterine cervix in female.On the basis of the findings,the preoperative tumor staging was made.Postoperatively,the ultrasound results were compared with the pathological examination.Their consistency was evaluated by using Kappa test.ResultsTransrectal biplane ultrasound examination showed the total accuracy rate in T-staging of rectal cancer was as high as 83.8％ with the diagnostic sensitivity rate for T1to T4 as 77.8 ％,73.1％,89.3％ and 94.4％,while its diagnostic specificity rate degree was 97.3％,93.1 ％,85.1 ％,97.8％ respectively,The k -value was 0.732 which suggested that the ultrasound staging was highly consistent with the pathological staging(P＜0.05).ConclusionsTransrectal biplane ultrasound has a great value in the preoperative T-staging of rectal cancer and is helpful in the planning of treatment.
