Objective： To identify clinicopathological factors predictive of lymph node metastases （LNM） in early signet ring cell carcinoma （SRC）, and further to expand the possibility of using endoscopic mucosal resection ...Objective： To identify clinicopathological factors predictive of lymph node metastases （LNM） in early signet ring cell carcinoma （SRC）, and further to expand the possibility of using endoscopic mucosal resection （EMR） for the treatment of early SRC. Methods： Data from 27 surgically treated patients with early SRC were collected, and the association between the clinicopathological factors and the presence of LNM was retrospectively analyzed by univariate and multivariate logistic regression analyses. Results： In the univariate analysis, a tumor larger than 3.0 cm, submucosal invasion, and the presence of lymphatic vessel involvement （LVI） were significantly associated with a higher rate of LNM （all P〈0.05）. In the multivariate model, the presence of LVI was found of to be an independent pathological risk factor for LNM. There was no LNM in 14 patients without the three clinicopathological risk factors （a tumor larger than 3.0 cm, submucosal invasion, and the presence of LVI）. Conclusion： EMR alone may be sufficient treatment for intramucosal early SRC if the tumor is less than or equal to 3.0 cm in size, and when LVI is absent upon postoperative histological examination. When specimens show LVI, an additional radical gastrectomy with lymphadenectomy should be recommended.展开更多
More than 40% of patients with squamous cell carcinoma of the head and neck (SCCHN) have lymph node metastases (LNM) at the time of diagnosis. Metastasis is one of the main poor prognostic factors of SCCHN.
Objective:The aim of this study was to identify clinicopathological factors predictive of lymph node metastasis (LNM) in intramucosal poorly differentiated early gastric cancer (EGC), and further to expand the possibi...Objective:The aim of this study was to identify clinicopathological factors predictive of lymph node metastasis (LNM) in intramucosal poorly differentiated early gastric cancer (EGC), and further to expand the possibility of using laparoscopic surgery for the treatment of intramucosal poorly differentiated EGC. Methods:Data from 65 patients with intramucosal poorly differentiated EGC and surgically treated were collected, and the association between the clinicopathological factors and the presence of LNM was retrospectively analyzed by univariate and multivariate logistic regression analyses. Results:Univariate analysis showed that number of tumors, tumor size and lymphatic vessel involvement (LVI) were the significant and independent risk factors for LNM (all P < 0.05). The LNM rates were 5.0%, 18.2% and 66.7%, respectively. There was no LNM in 31 patients without the three risk clinicopathological factors. Conclusion:The number of tumors, tumor size, and LVI are independently associated with the presence of LNM in intramucosal poorly differentiated EGC. Thus, these three risk factors may be used to set as a simple criterion to expand the possibility of using laparoscopic surgery for the treatment of intramucosal poorly differentiated EGC.展开更多
Background: Follicular variant papillary thyroid carcinoma (FVPTC) is the most common subset of papillary carcinoma. Lymph-node metastasis (LNM) is one of the main predictors of survival in PTC patients, but we found ...Background: Follicular variant papillary thyroid carcinoma (FVPTC) is the most common subset of papillary carcinoma. Lymph-node metastasis (LNM) is one of the main predictors of survival in PTC patients, but we found few data related to the correlation between LNM and FVPTC. We therefore aimed to elucidate the relationship between LNM and survival in patients with FVPTC. Methods: Logistic regression models were used to determine the factors associated with LNM. The Cox proportional-hazards model was applied to assess the association between LNM and disease-specific mortality. Kaplan-Meier survival analysis and the log-rank test were used to estimate the disease-specific survival rates in patients with and without LNM. Results: In total, 1418 FVPTC patients were identified. The multivariate logistic regression model showed that age, female sex, being married, tumor size > 4cm and extrathyroidal extension and radiation were predictors of LNM. The multivariate Cox regression model showed that age, multifocality and radiation were risk factors of diseasespecific mortality. Especially, LNM (p=0.271) did not independently predict disease-specific mortality. Kaplan-Meier survival analysis and the log-rank method also showed that LNM did not impact survival in FVPTC (p=0.235). Conclusion: Using data in the SEER database from 2004 to 2014, and after multivariate model correction, we found that age, multifocality and radiation were strongly related to disease-specific mortality. It is worth noting that LNM does not impact the survival of FVPTC patients.展开更多
基金supported by the Nature Science Foundation of Liaoning Province(No.20042071).
文摘Objective： To identify clinicopathological factors predictive of lymph node metastases （LNM） in early signet ring cell carcinoma （SRC）, and further to expand the possibility of using endoscopic mucosal resection （EMR） for the treatment of early SRC. Methods： Data from 27 surgically treated patients with early SRC were collected, and the association between the clinicopathological factors and the presence of LNM was retrospectively analyzed by univariate and multivariate logistic regression analyses. Results： In the univariate analysis, a tumor larger than 3.0 cm, submucosal invasion, and the presence of lymphatic vessel involvement （LVI） were significantly associated with a higher rate of LNM （all P〈0.05）. In the multivariate model, the presence of LVI was found of to be an independent pathological risk factor for LNM. There was no LNM in 14 patients without the three clinicopathological risk factors （a tumor larger than 3.0 cm, submucosal invasion, and the presence of LVI）. Conclusion： EMR alone may be sufficient treatment for intramucosal early SRC if the tumor is less than or equal to 3.0 cm in size, and when LVI is absent upon postoperative histological examination. When specimens show LVI, an additional radical gastrectomy with lymphadenectomy should be recommended.
文摘More than 40% of patients with squamous cell carcinoma of the head and neck (SCCHN) have lymph node metastases (LNM) at the time of diagnosis. Metastasis is one of the main poor prognostic factors of SCCHN.
基金Supported by a grant from the Science Foundation of Xingtai City (No.20102025-2)
文摘Objective:The aim of this study was to identify clinicopathological factors predictive of lymph node metastasis (LNM) in intramucosal poorly differentiated early gastric cancer (EGC), and further to expand the possibility of using laparoscopic surgery for the treatment of intramucosal poorly differentiated EGC. Methods:Data from 65 patients with intramucosal poorly differentiated EGC and surgically treated were collected, and the association between the clinicopathological factors and the presence of LNM was retrospectively analyzed by univariate and multivariate logistic regression analyses. Results:Univariate analysis showed that number of tumors, tumor size and lymphatic vessel involvement (LVI) were the significant and independent risk factors for LNM (all P < 0.05). The LNM rates were 5.0%, 18.2% and 66.7%, respectively. There was no LNM in 31 patients without the three risk clinicopathological factors. Conclusion:The number of tumors, tumor size, and LVI are independently associated with the presence of LNM in intramucosal poorly differentiated EGC. Thus, these three risk factors may be used to set as a simple criterion to expand the possibility of using laparoscopic surgery for the treatment of intramucosal poorly differentiated EGC.
基金National Social Science Foundation of China (No.16BGL183)Natural Science Foundation of Shaanxi Province (No.2015JM8415)+2 种基金Fundamental Research Funds for the Central Universities of China (No.2011jdhz55)Clinical Research Award of the First Affiliated Hospital of Xi’an Jiaotong University of China (No.XJTU1AF-CRF-2016-021)Research Fund of Health Bureau of Xi’an (No. QFO1330).
文摘Background: Follicular variant papillary thyroid carcinoma (FVPTC) is the most common subset of papillary carcinoma. Lymph-node metastasis (LNM) is one of the main predictors of survival in PTC patients, but we found few data related to the correlation between LNM and FVPTC. We therefore aimed to elucidate the relationship between LNM and survival in patients with FVPTC. Methods: Logistic regression models were used to determine the factors associated with LNM. The Cox proportional-hazards model was applied to assess the association between LNM and disease-specific mortality. Kaplan-Meier survival analysis and the log-rank test were used to estimate the disease-specific survival rates in patients with and without LNM. Results: In total, 1418 FVPTC patients were identified. The multivariate logistic regression model showed that age, female sex, being married, tumor size > 4cm and extrathyroidal extension and radiation were predictors of LNM. The multivariate Cox regression model showed that age, multifocality and radiation were risk factors of diseasespecific mortality. Especially, LNM (p=0.271) did not independently predict disease-specific mortality. Kaplan-Meier survival analysis and the log-rank method also showed that LNM did not impact survival in FVPTC (p=0.235). Conclusion: Using data in the SEER database from 2004 to 2014, and after multivariate model correction, we found that age, multifocality and radiation were strongly related to disease-specific mortality. It is worth noting that LNM does not impact the survival of FVPTC patients.
