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1.
BACKGROUND: The extent of lymphadenectomy in colon cancer may impact potential to cure and accuracy of staging. METHODS: The Veterans Affairs Central Cancer Registry database was queried for TNM stage I-III colon adenocarcinoma patients and yielded 5,823 individuals. The number of lymph nodes examined, number positive, and the positive:examined lymph node ratio were studied with respect to overall survival by using log-rank and Kaplan-Meier analysis. RESULTS: The overall survival (OS) in stage II patients was greater with the higher number of lymph node (LN) examined. For stage II patients, the 5-year OS was 34%, 43%, 47%, and 55% for the lowest to highest quartiles (P = .007). For stage III patients, the 5-year OS was 31%, 27%, 38%, and 53% for the lowest to highest quartiles (not significant overall). OS is greater with an increased number of positive lymph nodes (P < .001). The lymph node ratio was more powerful prognostically with a 5-year OS of 27% for the highest quartile versus 44% for the lowest. CONCLUSIONS: More extensive lymphadenectomy is associated with improved OS in stage II colon cancer patients. The positive:examined LN ratio is more powerful prognostically than the number of nodes examined or LN positivity.  相似文献   

2.
Colorectal cancer (CRC) is one of the most common malignant diseases in the world. Presently, the most widely used staging system for CRC is the tumor nodes metastasis classification system, which classifies patients into prognostic groups according to the depth of the primary tumor, presence of regional lymph node (LN) metastases, and evidence of distant metastatic spread. The number of LNs with confirmed metastasis is related to the severity of the disease, but this number depends on the number of LNs retrieved, which varies depending on patient age, tumor grade, surgical extent, and tumor site. Numerous studies and a recent structured review have demonstrated associated improvements in the survival of CRC patients with increasing numbers of LNs retrieved for examination. Hence, the impact of lymph node ratio (LNR), defined as the number of metastatic LNs divided by the number of LNs retrieved, has been investigated in various malignancies, including CRC. In this editorial, we review the literature demonstrating the clinicopathological significance of LNR in CRC patients. Some reports have indicated the advantage of considering the LNR compared to the number of LNs retrieved and/or LN status. When the LNR is taken into consideration for survival analysis, the number of LNs retrieved and/or the LN status is not always found to be a prognostic factor. The cut-off points for LNRs were proposed in numerous studies. However, optimal thresholds for LNRs have not yet received consensus. It is still unclear whether the LNR has more prognostic validity than N stage. For all these reasons, the potential advantages of LNRs in the staging system should be investigated in large prospective data sets.  相似文献   

3.
目的 评价淋巴结转移率(MLR)对淋巴结清扫不足15枚胃癌患者预后评估的价值.方法 回顾性分析天津医科大学附属肿瘤医院2003年1月到2007年7月间收治的610例胃癌患者的临床资料.其中淋巴结清扫数目不足15枚者320例,15枚以上者290例,比较两组患者在不同病理N分期(pN分期)和不同淋巴结转移度分期(rN分期)中预后的差异.结果 通过Log-rank检验,确定MLR的界值,按此界值可分为rN1(MLR小于或等于10%)、rN2(MLR大于10%,但小于或等于30%)、rN3(MLR大于30%,但小于或等于60%)和rN4(MLR大于60%)4期.对于淋巴结清扫数目不足15枚者,上述不同rN分期患者的生存差异均无统计学意义(均P>0.05);在同一rN分期中,不同pN分期之间生存差异亦均无统计学意义(均P>0.05).对于pN2和pN3a期患者,淋巴结清扫数目不足15枚者与15枚以上者的生存差异有统计学意义(均P<0.05);但在各个rN分期中,两者间差异均无统计学意义(均P>0.05).多因素预后分析证实,rN分期是淋巴结清扫数目不足15枚胃癌患者的独立预后因素(P=0.012,RR=1.617,95%CI:1.111~2.354).结论 rN分期能很好地对淋巴结清扫不足15枚胃癌患者的预后进行预测.  相似文献   

4.

Background

Regional lymph node (LN) metastasis at the time of presentation plays a significant role in predicting recurrence in patients with papillary thyroid cancer (PTC). Multiple studies in the adult population have demonstrated that the lymph node ratio (LNR) in both the central and lateral neck can improve the accuracy of recurrence prediction, but this ratio has not been studied in the pediatric population. In this study, we sought to investigate the LNR in the central and lateral compartments as a prognostic predictor for recurrence in pediatric patients with PTC.

Methods

A retrospective analysis of pediatric patients (≤ 21?years old) at a single institution between 2002 and 2014 who underwent total thyroidectomy with prophylactic central neck dissection (TTpCND) with at least 3 sampled nodes or total thyroidectomy with unilateral modified radical neck dissection (TTMRND) with at least 10 sampled nodes, and on whom at least 24?months of follow up data were available was performed. The LNR was defined as the ratio of metastatic LNs to total number of investigated LNs. Recurrence after TTpCND and TTMRND was examined separately as a function of LNR, using the value of 0.45 as a cutoff.

Results

Forty-eight patients met inclusion criteria. Thirty-two underwent TTpCND, and sixteen underwent TTMRND. Median age at time of operation was 17?years (range 6–20), and median duration of follow-up was 53.5?months (range 24–183). In the TTpCND, LNR ranged from 0 to 1.0. There were two recurrences among the eight patients (25%) undergoing TTpCND in patients with LNRs > 0.45 and a single recurrence among the 24 patients (4.2%) undergoing TTpCND with an LNR ≤ 0.45. In the TTMRND, LNR ranged from 0.1 to 1.0. There were 3 recurrences in 12 patients with LNR ≤ 0.45 (30.8%%) and 4 recurrences in 4 patients with LNR > 0.45 (100%) (p?=?0.03).

Conclusions

Although limited by small sample size, LNR may be a useful predictor to stratify the likelihood of recurrence in pediatric patients undergoing TTpCND or TTMRND for pathologic N1a or N1b PTC.

Type of study

Prognosis study / retrospective case series.

Level of evidence

Level IV.  相似文献   

5.
BackgroundMetastatic regional lymph nodes (LN) is a strong predictor of worse long-term outcome. Therefore, different LN staging systems have been proposed in recent years. In this study, we proposed a modified lymph node ratio (mLNR) as a new lymph node staging system and then compared the prognostic performance of mLNR with American Joint Committee on Cancer N stage, lymph node ratio (LNR) and log odds of metastatic lymph nodes in breast cancer patients.MethodsBreast cancer patients who underwent surgery between 2004 and 2012 were identified from the Surveillance, Epidemiology, and End Results database. Restricted cubic spline functions were calculated to characterize the association between variables and the risk of death. The Cox proportional hazards models were constructed to assess the predictive ability of different lymph node staging systems using the Akaike’s Information Criterion (AIC) and Harrell’s concordance index (C-index).ResultsA total of 264,096 breast cancer patients were enrolled and 187,785 (71.1%) patients had a limited number of LNs harvested. In the limited LN harvest cohort, the prognostic performance of LNR decreased and mLNR could greatly solve this problem. In addition, among the entire cohort, mLNR modeled as a continuous value had the best predictive ability (AIC: 922021.9 and C-index: 0.727) than other lymph node staging systems.ConclusionsThe predictive ability of LNR is restricted by a limited LN harvest. However, mLNR shows superiority to LNR and other lymph node staging systems especially in a limited LN harvest cohort, making mLNR the most powerful lymph node staging systems.  相似文献   

6.
Aim Recent reports show that a positive metastatic to examined lymph nodes ratio (LNR) has prognostic value in malignancies. This study aimed to evaluate the prognostic value of LNR in patients having resection for stage III colorectal cancer. Method From January 2000 to December 2006, patients who underwent resection for stage III colorectal carcinoma were included. All clinicopathological and follow‐up data were prospectively collected. The impact of LNR and other clinicopathological factors on survival were evaluated. Results The study included 533 (52.3% male) patients with a median age of 70 years. The median number of lymph nodes harvested and the median number of positive lymph nodes examined were 11 and 2, respectively. The median LNR was 0.263 (range, 0.03–1). After a median follow up of 52.65 months, the 5‐year overall survival and disease‐free survival were 55.9% and 49.4%. The patients were stratified into four groups according to LNR quartiles (1, LNR ≤ 0.125; 2, 0.125 < LNR ≤ 0.263; 3, 0.263 < LNR ≤ 0.500; 4, LNR > 0.500). The 5‐year overall and disease‐free survival were 72.8%, 63.1%, 50.0%, 39.6% (P < 0.001) and 68.5%, 54.1%, 47.2%, 29.9% (P < 0.001), respectively, with increasing LNR groups. On multivariate analysis, age, T stage and LNR were independent predictors of both overall and disease‐free survival. Subgroup analysis revealed that the LNR had a prognostic value for disease‐free survival irrespective of number of lymph nodes harvested and location of tumour. Conclusion The LNR is an independent prognostic factor for survival in colorectal cancer and is superior to the pN category in TNM staging.  相似文献   

7.
The prognostic significance of identifying lymph node(LN) metastases following surgical resection for colon and rectal cancer is well recognized and is reflected in accurate staging of the disease.An established body of evidence exists,demonstrating an association between a higher total LN count and improved survival,particularly for node negative colon cancer.In node positive disease,however,the lymph node ratios may represent a better prognostic indicator,although the impact of this on clinical treatment has yet to be universally established.By extension,strategies to increase surgical node harvest and/or laboratory methods to increase LN yield seem logical and might improve cancer staging.However,debate prevails as to whether or not these extrapolations are clinically relevant,particularly when very high LN counts are sought.Current guidelines recommend a minimum of 12 nodes harvested as the standard of care,yet the evidence for such is questionable as it is unclear whether an increasing the LN count results in improved survival.Findings from modern treatments,including down-staging in rectal cancer using pre-operative chemoradiotherapy,paradoxically suggest that lower LN count,or indeed complete absence of LNs,are associated with improved survival;implying that using a specific number of LNs harvested as a measure of surgical quality is not always appropriate.The pursuit of a sufficient LN harvest represents good clinical practice;however,recent evidence shows that the exhaustive searching for very high LN yields may be unnecessary and has little in? uence on modern approaches to treatment.  相似文献   

8.
目的 探讨淋巴结转移率(rN)对胃癌根治术患者预后的评估价值.方法 回顾性分析1980-2006年间中国医科大学附属第一医院肿瘤外科收治的接受根治性手术的710例胃癌患者的临床资料.按淋巴结捡取数目将710例患者分为少于15枚组(327例)和15枚以上(含15枚)组(383例).按淋巴结转移率进行rN分期;按淋巴结转移数量进行pN分期.分别采用Logrank检验和Cox比例风险模型来进行单因素和多因素预后分析.结果 少于15枚组和15枚以上组胃癌患者中位生存时间分别为74个月(95% CI:55.6~92.4个月)和96个月(95% CI:77.8~119.2个月),差异无统计学意义(P>0.05).多因素预后分析显示,rN分期既是少于15枚组(P<0.01,RR=1.225,95% CI:1.102~1.362),又是15枚以上组(P<0.01,RR=1.421,95% CI:1.269~1.592)胃癌患者的独立预后因素;而pN分期仅仅是少于15枚组胃癌患者的独立预后因素(P<0.01,RR=1.475,95% CI:1.168~1.863).采用rN分期系统,相同分期的两组胃癌患者生存时间的差异均无统计学意义(P>0.05);而采用pN分期系统,在pN1期患者中少于15枚组患者生存时间明显短于15枚以上组(P<0.01).结论 淋巴结转移率是影响胃癌预后的独立因素.在判断胃癌预后中,按淋巴结转移率的rN分期不受检出淋巴结数目的限制,较pN分期系统更为可靠.  相似文献   

9.
Introduction  The pattern of distribution of lymph node metastasis in resected specimens of colon cancer has been rarely reported in the English literature. The aim of this study was to determine the location of the first metastatic lymph node, giving insight into the drainage pattern of colon cancer lymphatics.
Method  All lymph nodes in the mesentery of the resected specimen were carefully harvested and their precise locations documented. Patients with a single metastatic node in the resected specimen were included in the study.
Results  Ninety-three patients with only one metastatic lymph node found on histology were studied. The mean number of lymph nodes per specimen was 22.3 (range: 8–72). The patients' first metastatic node was not directly below the tumour in 48% of cases. The first metastatic node was found in the region either along the feeding vessels (skipping the pericolic nodes) or in the pericolic area outside 5 cm on either side of the tumour edge in 18% of cases. No factors were found to be predictive for lymph node metastasis occurring elsewhere other than in the pericolic region just below the tumour.
Conclusion  Although there has been recent resurgence of interest in using sentinel node biopsy to limit surgical dissection to facilitate minimally access and natural orifice surgery, the present study is a warning that this may compromise oncological clearance. Radical surgery should remain standard practice for colorectal cancer.  相似文献   

10.
Aim Our aim was to determine if the lymph node ratio would predict overall survival and disease‐free survival in Dukes C colorectal cancer in a district general hospital setting in the UK. Method Fifty‐six patients were analysed from a prospectively maintained colorectal cancer database. The lymph node ratio was defined as the number of positive lymph nodes divided by the total number of nodes harvested. Comparison was made between the lymph node ratio,TNM nodal status and number of positive lymph nodes by the Kaplan–Meier method. An analysis of covariates was performed by a Cox proportional hazard regression analysis. Results A lymph node ratio of > 0.25 is prognostically significant for overall survival (P = 0.03) and disease‐free survival (P = 0.0003). The lymph node ratio was the strongest covariate in the multivariate regression analysis for recurrence (P = 0.003). Conclusion The lymph node ratio may help clinicians determine which patients have a more aggressive tumour biology and direct appropriate more aggressive chemotherapy regimes towards these patients.  相似文献   

11.

Background

The aim of this study was to investigate the prognostic value of metastatic lymph node (LN) ratio (LNR) compared with pathologic node (pN) category.

Methods

Three hundred ninety-nine patients with gastric cancer with R0 resection were reviewed. LNR, pN, and the number of retrieved LNs were evaluated in node-positive groups with ≥15 or <15 LNs resected and a node-negative group, respectively, by univariate and multivariate analyses. Associations of pN and LNR with the number of retrieved LNs were determined using Spearman's rank correlation test.

Results

LNR and pN were correlated with overall survival. For the node-positive group with ≥15 LNs retrieved, pN and LNR were independent prognostic factors, with the hazard ratio higher for LNR; neither was correlated with the number of retrieved LNs. For the group with <15 LNs retrieved, LNR but not pN was an independent prognostic factor, with LNR uncorrelated with the number of LNs retrieved. For the node-negative group, the number of LNs retrieved retained an independent prognostic factor.

Conclusions

LNR is an independent prognostic factor in node-positive patients with gastric cancer with R0 resection, and it is uninfluenced by the number of LNs retrieved. It may be superior to pN.  相似文献   

12.
目的 评估淋巴结转移率(MLR)对胃癌患者预后的预测价值.方法 回顾性分析2005-2009年间在南京医科大学第一附属医院接受根治性切除(pT4期患者除外)并具有完整随访资料的1247例胃癌患者的临床资料,从准确性、均一性和适用性3个方面比较MLR分期和pN分期的预后价值.结果 MLR和pN均与送检淋巴结数目呈正相关(均P<0.01).不同MLR分期及不同pN分期患者5年累计生存率(5-YCSR)的差异均有统计学意义(均P<0.01);进一步经多因素预后分析显示,MLR分期和pN分期均可作为独立的预后因素(均P<0.01).ROC曲线显示,MLR分期预测预后所对应的曲线下面积大于pN分期,但差异并未达到统计学意义(p>0.05).相同MLR组中不同pN组间5-YCSR的差异无统计学意义(P>0.05);而相同pN组中不同MLR组间5-YCSR的差异有统计学意义(P<0.05).同一pN分期患者,送检淋巴结数目不同,其5-YCSR的差异均有统计学意义(P<0.05);而同一MLR分期患者5-YCSR则与送检淋巴结数目无关(P>0.05).结论 MLR是预测胃癌生存的独立预后因素;MLR分期评估胃癌预后的准确性与pN分期相当,但均一性和适用性均优于pN分期.
Abstract:
Objective To evaluate the prognostic value of metastatic lymph node ratio (MLR) for patients with gastric cancer. Methods Data collected from 1247 patients with gastric cancer who underwent radical surgery (pT4 cases were excluded) at the First Affiliated Hospital of Nanjing Medical University between 2005 and 2009 were analyzed retrospectively. MLR was compared to pathological N staging (pN) in terms of prognostic accuracy, homogenicity, and applicability. Results MLR and pN were both positively correlated with the number of retrieved lymph nodes (both P<0.01). Significant differences were found in 5-year cumulative survival rate (5-YCSR) among different pN stages and MLR classification (all P<0.01). Multivariable analysis showed that both pN and MLR were independent prognostic factors (both P<0.01). The area under ROC curve (AUC) of MLR was larger than pN, however the difference was not statistically significant (P>0.05). There were significant differences in 5-YCSR among different MLR stages within the same pN stages (P<0.05), but not among different pN stages within the same MLR stage (P>0.05). Significant differences in 5-YCSR were also found among different retrieved-node groups within the same pN stage (P<0.05), but not within the same MLR stages (P>0.05). Conclusions MLR is an independent prognostic factor for patients with gastric cancer. The prognostic homogenicity and applicability of MLR are better than those of pN, however the prediction accuracy is not favorable.  相似文献   

13.
�ܰͽ�ת�Ƽ��ܰͽ���ɨ��θ��Ԥ��Ĺ�ϵ   总被引:7,自引:0,他引:7  
目的 分析进展期胃癌胃周淋巴结转移及淋巴结清除与病人预后的关系。方法 对1982-1992年间收治并行手术治疗的进展期胃癌299例进行统计分析。结果 肿瘤进展与淋巴结转移的程度显著相关(P<0.05)。淋巴结转移有无、淋巴结清扫与术后生存直接相关,对于侵及浆膜下或侵出浆膜并伴有远处淋巴结转移的病例,淋巴结清扫仍能提高术后生存率(P<0.05)。结论 严格的淋巴结清扫可以提高胃癌病人术后生存率。  相似文献   

14.
15.
16.
Although laparoscopic surgery is one of the treatment options for colorectal cancer, certain technical problems remain unresolved for the radical dissection of regional lymph nodes (LNs), which is essential to improve treatment outcome. We present a safe procedure for laparoscopic right hemicolectomy to dissect the regional LNs along the superior mesenteric vein (SMV). The key characteristic of our procedure is that all right and middle colic vessels are cut along the surgical trunk using only a medial approach. First, the pedicle of ileocolic vessels is identified and the mesocolon is dissected between the pedicle and the periphery of the SMV to expose the second portion of the duodenum. The ileocolic vessels are then cut at their roots. The ascending mesocolon is separated from the retroperitoneal tissues, duodenum, and pancreatic head up to the hepatocolic ligament cranially. The important detail in this procedure is the wide separation between the pancreatic head and the transverse mesocolon. This procedure uncovers the course of the right colic artery, veins, and the gastrocolic trunk [1]. The right colic artery and veins can then be safely cut at their roots. For an extended right hemicolectomy, the middle colic vessels can easily be identified below the lower edge of the pancreas and cut at their roots [2]. We performed curative resections in this manner for 16 consecutive patients with advanced right-sided colon cancer without any serious intraoperative complications. The median number of retrieved lymph nodes was 31 (range = 9–57). The median operative time and intraoperative blood loss were 274 min (range = 147–431 min) and 45 g (range = 0–120 g), respectively. The postoperative course of all patients was uneventful. Four of 16 patients had node-positive disease. With a median follow-up period of 272 days, all patients are alive without recurrence. We consider this a safe method for radical LN dissection during laparoscopic right hemicolectomy. Electronic supplementary material The online version of this article (doi:) contains supplementary material, which is available to authorized users.  相似文献   

17.
Validation of sentinel node mapping in patients with colon cancer   总被引:19,自引:0,他引:19  
Background Sentinel lymph node (SLN) mapping techniques have been validated in breast cancer and melanoma. This study summarizes our experience with SLN mapping for colon cancer. Methods Fifty-five patients with colon cancer underwent intraoperative SLN mapping. One mL of 1% isosulfan blue was injected subserosally around the tumor. The first nodes highlighted with blue were identified as the SLNs. SLNs underwent multiple sectioning and immunohistochemical staining for cytokeratin. The overall learning curve was calculated. Results Lymphatic mapping adequately identified at least 1 SLN in 45 patients (82%). SLNs adequately predicted regional status in 44 of 45 (98%) cases. In 9 of 45 cases (20%), the SLNs were the only sites of metastases. Among the 14 cases that were SLN positive, 6 of 55 patients (11%) were positive only by immunohistochemistry. Of the 31 cases with negative SLNs, 1 case had a 3.5-mm pericolonic tumor-replaced non-SLN (3% false-negative rate). The overall learning curve stabilized after five cases. Conclusions Intraoperative SLN mapping is a feasible technique, with a quick learning curve, and had a reasonable SLN identification rate. Negative SLNs accurately predict the status of non-SLNs 97% of the time. Eleven percent of patients were upstaged by demonstration of micrometastases and may benefit from adjuvant chemotherapy.  相似文献   

18.

Background

The prognosis for patients with lymph node (LN)–positive bladder cancer (BCa) is likely affected by the extent of lymphadenectomy in radical cystectomy (RC) cases. Specifically, the prognostic significance of the LN density (ratio of positive LNs to the total number removed) has been demonstrated.

Objective

To evaluate the prognostic signature of lymphadenectomy variables, including the LN density, for a large, multicentre cohort of RC patients with LN-positive BCa.

Design, setting, and participants

The clinical and histopathologic data from 477 patients with LN-positive urothelial BCa (pN1–2) were analysed. The median follow-up period for all living patients was 28 mo.

Measurements

Multivariable Cox regression analysis was used to test the effect of various pelvic lymph node dissection (PLND) variables on cancer-specific survival (CSS) based on colinearity in various models.

Results and limitations

The median number of LNs removed was 12 (range: 1–66), and the median number of positive LNs was 2 (range: 1–25). Two hundred ninety (60.8%) of the patients presented with stage pN2 disease. The median and mean LN density was 17.6% and 29% (range: 2.3–100), respectively, where 268 (56.2%) and 209 (43.8%) patients exhibited am LN density of ≤20% and >20%, respectively. In separate multivariable Cox regression models adjusted for age, sex, pTN stage, grade, associated Tis, and adjuvant chemotherapy, the interval-scaled LN density (hazard ratio [HR]: 1.01; p = 0.002) and the LN density, ordinal-scaled by 20% (HR: 1.65; p < 0.001) exhibit independent effects on CSS. In addition, an independent contribution appears from the pT but not the pN stage. Limitations include surgeon selection bias when determining the extent of lymphadenectomy.

Conclusions

Our results support the prognostic relevance of LN density in patients with LN-positive BCa, where a threshold value of 20% stratifies the population into two prognostically distinct groups. Before LN density is integrated into the clinical decision-making process, these results should be validated by prospective studies with defined LN templates and standardised histopathologic methods.  相似文献   

19.
Background By systematically reviewing the literature on sentinel lymph node mapping of colon cancers, this study aimed to evaluate this technique as it applies to colon cancers.Methods Human studies on lymphatic mapping for colon cancers were reviewed. Multiple publications of the same studies, abstracts, and case reports were excluded. Current Contents, MEDLINE, EMBASE, and Cochrane Library databases were investigated.Results Lymphatic mapping appears to be readily applicable to colon cancers, identifying lymph nodes most likely to harbor metastases. Identification of sentinel lymph nodes varied from 58% to 100% and carried a false-negative rate of approximately 10% in larger studies, but potentially rose 4% to 25% among patients representing a range from node-negative to node-positive (micrometastases) conditions. The prognostic implication of these micrometastases requires further evaluation. Lymphatic mapping in 6% to 29% of cases identified aberrant lymphatic drainage that altered the extent of the lymphadenectomy.Conclusions Further follow-up evaluation to assess the prognostic significance of micrometastases for colon cancers is required before the staging benefits of sentinel node mapping can have therapeutic implications. Lymphatic mapping offers the possibility of improving staging by identifying patients with early disseminated disease who should be considered for adjuvant treatment or included in trials of adjuvant treatment to speed up the breakthrough of more effective adjuvant regimens. Large studies are needed to determine whether the sentinel node concept is as valid for colon cancers as studies so far have shown it is for malignant melanoma and breast cancer.  相似文献   

20.
目的 比较AJCC/UICC胃癌淋巴结(pN)分期与淋巴结转移率(MLR)分期及以其为基础的TNM与TRM分期系统对食管胃交界部腺癌患者的预后评估价值.方法 回顾性分析天津市肿瘤医院2000年1月至2007年6月间行根治性切除手术的414例食管胃交界部腺癌的临床资料.采用Spearman相关分析检验 pN、MLR与送检淋巴结数3者之间的相关性;应用单因素KaplanMeier生存分析和多因素Cox回归分析检验pN、MLR、TNM及TRM分期与患者预后的关系;通过ROC曲线下面积(AUC)比较它们对患者5年生存率的预测价值.结果 414例患者中位淋巴结清扫数目17(4~71)枚/例,中位转移淋巴结数目4(0~67)枚/例.阳性淋巴结数与淋巴结清扫数目呈正相关 (P<0.01),MLR与淋巴结清扫数目无相关性(P>0.05).单因素和多因素预后分析结果表明,pN和MLR均可单独作为食管胃交界部腺癌患者的独立预后因素(均P<0.01),且MLR的相对危险度(HR)值高于pN(1.573比1.382);但当pN与MLR共同纳入多因素分析时,MLR仍是独立预后因素(P<0.01),而pN不再是其独立预后因素(P>0.05).MLR和pN预测患者预后所对应的AUC分别为0.726和 0.714,TRM分期和TNM分期所对应的AUC分别为0.747和0.736,差异均无统计学意义(均P>0.05).结论 MLR是食管胃交界部腺癌患者的独立预后因素,MLR及以其为基础的TRM分期对食管胃交界部腺癌患者预后的评估价值或优于pN及以其为基础的TNM分期.  相似文献   

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