ISSN: 1859 - 2872
Study on characteristics of stage in rectal cancer patients were treated with laparoscopic total mesorectal excision after preoperative short-course radiation
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Abstract
Objective: To evaluate the characteristics of stage in patient with rectal cancer who underwent with preoperative short-course radiation combined with laparoscopic total mesorectal excision. Subject and method: 70 patients with resectable mild and low rectal cancer were treated with short-course radiation combined with laparoscopic total mesorectal excision in 108 Military Central Hospital, from August 2015 to February 2019. The patients’ data were recorded: Patient’s characteristics, clinical and pathology staging. Result: 70 patients with 62.9% male, mean age was 59.6 ± 10.48 years. Mean BMI was 20.5 ± 2.6. Low rectal cancer was 50.0% and mild rectal cancer was 50.0%. Evaluation of preoperative tumor invasion cT3 on MRI 3.0 tesla and CT were 95.1% and 91.4%, respectively. Base on MRI cN0, cN1 and cN2 were 16.4%, 47.5% and 36.1% respectively. Base on CT cN0, cN1 and cN2 were 12.9%, 48.6% and 38.6% respectively. Preoperative on MRI stage II, III correspond were 16.4% and 83.6%, and on CT stage II, III were 12.9% and 87.1%, respectively. Pathology staging with ypT1, ypT2, ypT3, ypT4 were 1.4%, 12.9%, 84.3%, 1.4% respectively and ypN0, ypN1, ypN2 correspond were 78.6%, 18.6%, 2.8%. Pathology stage I, II and III correspond were 14.3%, 64.3% and 21.4%. Conclusion: On CT stage II, III were 12.9%, 87.1% respectively; on MRI stage II, III were 16.4%, 83.6% respectively. Postoperative staging I, II and III correspond were 14.3%, 64.3% and 21.4%. The correct diagnostic value of MRI and CT for tumor was more than eighty percent, however for lymph node metastasis was approximately thirty percent.
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