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- W2891800827 abstract "e15577 Background: To evaluate the effects of carbon nanoparticles by subserosa injection and different Lymph node retrievals by surgeon or pathologist in improving the positive and total lymph node detection and staging accuracy in patients who undergone the standard D2 gastrectomy. Methods: We collected 200 gastric cancer patients who undergone the standard D2 radical lymph node resection gastrectomy from November 2013 to November 2014 in Gastrointestinal Surgery Ward of Yantai Yuhuangding Hospital. The cases were randomly devidided into 4 groups (N = 50): Pathologist group(PA), surgeon group(SU), surgeon plus carbon nanoparticles group(SU+CN), pathologist plus carbon nanoparticles group (PA+CN) . The number of lymph nodes and the proportion of TNM stages were calculated respectively. Results: In the positive and total number of lymph nodes in all cases, it is significantly higher in Group SU than Group PA (3.64±4.32 VS 2.63±3.45),( 25.46±5.24 VS 20.23±6.32),Group SU+CN than Group PA (4.56±3.86 VS 2.63±3.45 ),(30.76±8.42 VS 20.23±6.32), Group PA+CN than Group PA(3.83±2.09 VS 2.63±3.45),(24.98±6.01 VS 20.23±6.32), Group SU+CN than Group SU(4.56±3.86 VS 2.63±3.45),(30.76±8.42 VS 25.46±5.24), Group SU+CN than Group PA+CN(4.56±3.86 VS 3.83±2.09),( 30.76±8.42 VS 24.98±6.01) (P < 0.05). The proportion of each TNM stage is significantly different in Group SU VS Group PA, Group SU+CN VS Group PA, Group PA+CN VS Group PA, Group SU+CN VS Group SU, Group SU+CN VS Group PA+CN(P < 0.05), while it is similar in Group PA+CN VS Group SU(P < 0.05). The highest proportion of Stage I and II and the lowest proportion of Stage III is in Group PA, and in Group SU+CN by contrary. Multivariate analysis shows carbon nanoparticles by subserosa injection and lymph node retrievals by surgeon are independent factors. Conclusions: Carbon nanoparticles by subserosa injection and lymph node retrievals by surgeon could be used as independent factors to improve the number of positive and total lymph nodes in standard D2 radical lymph node resection gastrectomy. It may also improve the accuracy of pathological staging of gastric cancer patients. Clinical trial information: ChiCTR-TRC-14876411." @default.
- W2891800827 created "2018-09-27" @default.
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- W2891800827 date "2017-05-20" @default.
- W2891800827 modified "2023-09-28" @default.
- W2891800827 title "How to improve the lymph node detection and staging accuracy in gastric cancer patients: A randomized controlled trial in single center." @default.
- W2891800827 doi "https://doi.org/10.1200/jco.2017.35.15_suppl.e15577" @default.
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