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- W3032371559 abstract "Objective To explore the accuracy of judging the T-staging of rectal cancer by biplane transrectal ultrasound.Methods Pathological 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.Results Transrectal 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).Conclusions Transrectal biplane ultrasound has a great value in the preoperative T-staging of rectal cancer and is helpful in the planning of treatment.Key words: Endosonography; Rectal neoplasms; Neoplasm staging" @default.
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- W3032371559 date "2012-05-25" @default.
- W3032371559 modified "2023-09-23" @default.
- W3032371559 title "Preoperative judging of T-staging of rectal cancer by transrectal biplane ultrasound" @default.
- W3032371559 doi "https://doi.org/10.3760/cma.j.issn.1004-4477.2012.05.017" @default.
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