curative resection

治愈性切除
  • 文章类型: Journal Article
    已显示肿瘤形态(肿瘤负荷评分(TBS))和肝功能(白蛋白与碱性磷酸酶比率(AAPR))与肝内胆管癌(ICC)的预后相关。本研究旨在评估TBS和AAPR对ICC患者生存结局的联合预测作用。我们使用2011年至2018年接受治愈性手术的ICC患者的多中心数据库进行了回顾性分析。采用Kaplan-Meier方法检查新指标(结合TBS和AAPR)与长期结果之间的关系。将该指标的预测效果与其他常规指标进行比较。共有560名患者被纳入研究。基于TBS和AAPR分层,患者分为三组.Kaplan-Meier曲线显示124例TBS低、AAPR高的患者总生存期(OS)和无复发生存期(RFS)最好。而170例高TBS和低AAPR患者的结局最差(log-rankp<0.001)。多变量分析确定组合指数是OS和RFS的独立预测因子。此外,与其他常规指标相比,该指数在预测OS和RFS方面显示出较高的准确性。总的来说,这项研究表明,肝功能和肿瘤形态学的组合在评估ICC患者的预后方面具有协同作用。结合TBS和AAPR的新指标可有效地对接受根治性切除术的ICC患者的术后生存结果进行分层。
    Tumour morphology (tumour burden score (TBS)) and liver function (albumin-to-alkaline phosphatase ratio (AAPR)) have been shown to correlate with outcomes in intrahepatic cholangiocarcinoma (ICC). This study aimed to evaluate the combined predictive effect of TBS and AAPR on survival outcomes in ICC patients. We conducted a retrospective analysis using a multicentre database of ICC patients who underwent curative surgery from 2011 to 2018. The Kaplan-Meier method was employed to examine the relationship between a new index (combining TBS and AAPR) and long-term outcomes. The predictive efficacy of this index was compared to other conventional indicators. A total of 560 patients were included in the study. Based on TBS and AAPR stratification, patients were classified into three groups. Kaplan-Meier curves demonstrated that 124 patients with low TBS and high AAPR had the best overall survival (OS) and recurrence-free survival (RFS), while 170 patients with high TBS and low AAPR had the worst outcomes (log-rank p < 0.001). Multivariate analyses identified the combined index as an independent predictor of OS and RFS. Furthermore, the index showed superior accuracy in predicting OS and RFS compared to other conventional indicators. Collectively, this study demonstrated that the combination of liver function and tumour morphology provides a synergistic effect in evaluating the prognosis of ICC patients. The novel index combining TBS and AAPR effectively stratified postoperative survival outcomes in ICC patients undergoing curative resection.
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  • 文章类型: Journal Article
    目的:本研究的目的是确定与肝细胞癌(HCC)肝切除术(HR)后90天死亡率相关的预测危险因素。
    方法:纳入所有接受单机构和前瞻性维护数据库的HCC择期切除术的患者。进行多因素回归分析以确定择期HR后90天死亡率的术前和术中以及组织病理学预测因素。
    结果:在2004年8月至2021年10月期间,共纳入196例患者(男性148例/女性48例)。研究队列的中位年龄为68.5岁(范围19-84岁)。肝切除(≥3段)率为43.88%。多因素分析显示患者年龄≥70岁[HR2.798;(95%CI1.263-6.198);p=0.011],术前慢性肾功能不全[HR3.673;(95%CI1.598-8.443);p=0.002],Child-Pugh评分[HR2.240;(95%CI1.188-4.224);p=0.013],V期[HR2.420;(95%CI1.187-4.936);p=0.015],切除节段≥3[HR4.700;(95%1.926-11.467);p=0.001]是90天死亡率的主要显著决定因素。
    结论:高龄患者,预先存在的慢性肾功能不全,Child-Pugh评分,扩大肝切除术,和血管肿瘤受累被确定为90天死亡率的重要预测因素。正确选择患者和调整治疗策略可能会降低短期死亡率。
    OBJECTIVE: The aim of this study was to identify predictive risk factors associated with 90-day mortality after hepatic resection (HR) in hepatocellular carcinoma (HCC).
    METHODS: All patients undergoing elective resection for HCC from a single- institutional and prospectively maintained database were included. Multivariate regression analysis was conducted to identify pre- and intraoperative as well as histopathological predictive factors of 90-day mortality after elective HR.
    RESULTS: Between August 2004 and October 2021, 196 patients were enrolled (148 male /48 female). The median age of the study cohort was 68.5 years (range19-84 years). The rate of major hepatectomy (≥ 3 segments) was 43.88%. Multivariate analysis revealed patient age ≥ 70 years [HR 2.798; (95% CI 1.263-6.198); p = 0.011], preoperative chronic renal insufficiency [HR 3.673; (95% CI 1.598-8.443); p = 0.002], Child-Pugh Score [HR 2.240; (95% CI 1.188-4.224); p = 0.013], V-Stage [HR 2.420; (95% CI 1.187-4.936); p = 0.015], and resected segments ≥ 3 [HR 4.700; (95% 1.926-11.467); p = 0.001] as the major significant determinants of the 90-day mortality.
    CONCLUSIONS: Advanced patient age, pre-existing chronic renal insufficiency, Child-Pugh Score, extended hepatic resection, and vascular tumor involvement were identified as significant predictive factors of 90-day mortality. Proper patient selection and adjustment of treatment strategies could potentially reduce short-term mortality.
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  • 文章类型: Journal Article
    背景:肝细胞癌(HCC)根治性切除后的高肿瘤复发率和低生存率仍然值得关注。主要目标是评估与无病相关的预测因素(DFS)和总生存(OS)在肝癌患者的一个子集进行肝切除(HR)。
    方法:在08/2004-7/2021之间,在我们机构的188例患者中进行了HCC的HR。数据分配是从前瞻性维护的数据库中进行的。临床病理因素对DFS和OS的预后影响通过单-和多变量Cox回归分析进行评估。用KaplanMeier方法产生存活曲线。
    结果:术后1-,3年和5年总体DFS和OS率为77.9%,49.7%,41%和72.7%,54.7%,38.8%,分别。肿瘤直径≥45mm[HR1.725;(95%CI1.091-2.727);p=0.020],腹内脓肿[HR3.812;(95%CI1.859-7.815);p<0.0001],和术前慢性酒精滥用[HR1.831;(95%CI1.102-3.042);p=0.020]是糖尿病患者DFS的独立预测因素[HR1.714;(95%CI1.147-2.561);p=0.009),M阶段[HR2.656;(95%CI1.034-6.826);p=0.042],V期[HR1.946;(95%CI1.299-2.915);p=0.001,脓毒症[HR10.999;(95%CI5.167-23.412);p<0.0001],和ISGLSB/C[HR2.008;(95%CI1.273-3.168);p=0.003]是OS的显著决定因素。
    结论:尽管术后复发率高,治愈性HR后,患者的长期生存率可以达到可接受的水平.OS和DFS相关参数的识别改进了以患者为中心的治疗和监测策略。
    BACKGROUND: High tumor recurrence and dismal survival rates after curative intended resection for hepatocellular carcinoma (HCC) are still concerning. The primary goal was to assess predictive factors associated with disease-free (DFS) and overall survival (OS) in a subset of patients with HCC undergoing hepatic resection (HR).
    METHODS: Between 08/2004-7/2021, HR for HCC was performed in 188 patients at our institution. Data allocation was conducted from a prospectively maintained database. The prognostic impact of clinico-pathological factors on DFS and OS was assessed by using uni- and multivariate Cox regression analyses. Survival curves were generated with the Kaplan Meier method.
    RESULTS: The postoperative 1-, 3- and 5- year overall DFS and OS rates were 77.9%, 49.7%, 41% and 72.7%, 54.7%, 38.8%, respectively. Tumor diameter ≥ 45 mm [HR 1.725; (95% CI 1.091-2.727); p = 0.020], intra-abdominal abscess [HR 3.812; (95% CI 1.859-7.815); p < 0.0001], and preoperative chronic alcohol abuse [HR 1.831; (95% CI 1.102-3.042); p = 0.020] were independently predictive for DFS while diabetes mellitus [HR 1.714; (95% CI 1.147-2.561); p = 0.009), M-Stage [HR 2.656; (95% CI 1.034-6.826); p = 0.042], V-Stage [HR 1.946; (95% CI 1.299-2.915); p = 0.001, Sepsis [HR 10.999; (95% CI 5.167-23.412); p < 0.0001], and ISGLS B/C [HR 2.008; (95% CI 1.273-3.168); p = 0.003] were significant determinants of OS.
    CONCLUSIONS: Despite high postoperative recurrence rates, an acceptable long-term survival in patients after curative HR could be achieved. The Identification of parameters related to OS and DFS improves patient-centered treatment and surveillance strategies.
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  • 文章类型: Journal Article
    胆管癌(CLC)是一种极为罕见的肿瘤,被归类为小导管型肝内胆管癌(iCCA)的亚型。关于CLC的详细报道很少,肿瘤异质性对预后的影响尚不清楚。2006年4月至2022年6月,在金泽大学医院就诊的774例原发性肝癌切除病例中,通过对其分子和生物学特征的免疫组织化学分析,14例经病理诊断为CLC。回顾性评估临床病理特征和预后。此外,评估了肿瘤异质性,并根据单个肿瘤中CLC组分的比例将肿瘤分为纯类型和部分类型.在9例患者中观察到慢性肝病(64.3%)。所有肿瘤都是肿块形成的,病理R0切除11例(78.6%)。肿瘤异质性在11例(78.6%)患者中被分类为单纯的,在3例(21.4%)患者中被分类为部分的。中位随访时间为59.5个月(12~114个月)。单纯和部分患者的5年疾病特异性生存率没有差异(90.0%vs.100.0%;P=0.200)类型,但R0切除组的比率明显高于R1切除组(100.0%vs.50.0%;P=0.025)。总之,这些结果表明,对于CLC患者实现治愈性切除是重要的,无论单个肿瘤中CLC成分的比例如何,CLC都可能具有良好的预后。
    Cholangiolocarcinoma (CLC) is an extremely rare tumor classified as a subtype of small duct-type intrahepatic cholangiocarcinoma (iCCA). There are few detailed reports on CLC and the prognostic impact of tumor heterogeneity is not clear. Between April 2006 and June 2022, of the 774 primary liver cancer resection cases who presented at Kanazawa University Hospital, 14 patients were pathologically diagnosed with CLC through immunohistochemical analysis of their molecular and biological features. Clinicopathological features and prognoses were evaluated retrospectively. Additionally, tumor heterogeneity was assessed and tumors were classified into pure and partial types according to the CLC component proportion in a single tumor. Chronic liver disease was observed in nine patients (64.3%). All tumors were mass-forming, and pathological R0 resection was achieved in 11 patients (78.6%). Tumor heterogeneity was classified as pure in 11 (78.6%) and partial in three (21.4%) patients. The median follow-up was 59.5 months (12-114 months). There was no difference in the 5-year disease-specific survival rates between the pure and partial (90.0% vs. 100.0%; P=0.200) types, but rates were significantly higher in the R0 resection group compared with those in the R1 resection group (100.0% vs. 50.0%; P=0.025). In conclusion, these results suggest that it is important for CLC patients to achieve curative resection, and CLC may have a good prognosis regardless of the proportion of CLC components in a single tumor.
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  • 文章类型: Journal Article
    背景:对于慢性乙型肝炎病毒(HBV)感染患者,越来越多的证据表明,扩大抗病毒治疗的适应症和适用人群的有效性。然而,肝细胞癌(HCC)抗病毒治疗的扩大适应症还有待进一步探讨.
    方法:在四川省人民医院接受根治性肝切除术和核苷(t)ide类似物(NAs)治疗的196例HBV相关HCC患者被纳入本研究。HCC复发,总生存期(OS),在不同的NAs治疗和使用抗程序性细胞死亡蛋白1(PD-1)治疗之间,比较了患者的早期病毒学(VR)和生化应答(BR).
    结果:NAs治疗在不同的手术时机是HBV相关HCC患者术后复发和总死亡率的一个强大的独立危险因素。此外,在接受术后抗PD-1治疗的HCC患者中,HBVDNA<1000拷贝/mL患者的无复发生存期(RFS)和OS显著优于HBVDNA≥1000拷贝/mL患者(HR:7.783;P=0.002;HR:6.699;P<0.001).然而,恩替卡韦组和富马酸替诺福韦酯组的RFS和OS率差异无统计学意义。在早期VR的比率中也观察到类似的结果,BR和组合VR和BR。
    结论:及时合理的术前NAs治疗在改善HBV相关HCC患者的预后方面具有临床益处。即使在正常的丙氨酸氨基转移酶(ALT)水平和e型肝炎抗原(HBeAg)阴性的情况下。此外,抗病毒治疗和抗PD-1治疗之间可能存在协同作用,需要进一步验证.
    BACKGROUND: For chronic hepatitis B virus (HBV) infection patients, increasing evidence has demonstrated the effectiveness of expanding the indications and applicable population for antiviral therapy. However, the expanded indication of antiviral therapy for hepatocellular carcinoma (HCC) remains to be further explored.
    METHODS: 196 HBV-related HCC patients who received radical hepatectomy and nucleos(t)ide analogues (NAs) therapy at Sichuan Provincial People\'s Hospital were enrolled in this study. HCC recurrence, overall survival (OS), early virological (VR) and biochemical responses (BR) of patients were compared between different NAs therapy and the use of anti-programmed cell death protein 1 (PD-1) therapy.
    RESULTS: NAs therapy at different timing of surgery was a strong independent risk factor for postoperative recurrence and overall mortality of HBV-related HCC patients. Furthermore, in HCC patients who received postoperative anti-PD-1 therapy, patients with HBV DNA < 1000 copy/mL had significantly better recurrence-free survival (RFS) and OS than those with HBV DNA ≥ 1000 copy/mL (HR: 7.783; P = 0.002; HR: 6.699; P < 0.001). However, the differences of RFS and OS rates between entecavir group and tenofovir disoproxil fumarate group were not statistically significant. Similar results were also observed in the rates of early VR, BR and combined VR and BR.
    CONCLUSIONS: Timely and reasonable preoperative NAs therapy showed clinical benefit in improving the prognosis of patients with HBV-related HCC, even in the case of normal alanine aminotransferase (ALT) level and negative hepatitis e antigen (HBeAg). Furthermore, a possible synergistic effect between antiviral therapy and anti-PD-1 therapy was founded and need further verification.
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  • 文章类型: Journal Article
    背景:老年癌症患者的数量有所增加,预计结直肠癌将受到这一趋势的影响。本研究旨在比较预后因素,包括营养和炎症指标,I-III期结直肠癌根治性切除术后年龄≥70岁和<70岁的患者之间的关系。
    方法:本研究纳入了560例I-III期结直肠癌患者,他们在2010年5月至2018年6月期间接受了根治性切除术。进行回顾性分析以确定年龄≥70岁和<70岁患者的预后相关变量。
    结果:术前体重指数低,高C反应蛋白/白蛋白比,合并疾病主要与≥70岁患者的不良预后有关。肿瘤因素与年龄<70岁患者的不良预后相关。在年龄≥70岁的人群中,C反应蛋白/白蛋白比值与不良的总生存率和无复发生存率独立相关。在大多数年龄≥70岁的患者的术后观察期间,C反应蛋白/白蛋白比的时间依赖性曲线下面积优于其他基于营养和炎症的指标。
    结论:肿瘤因素与年龄<70岁患者的不良预后相关。除了淋巴结转移,年龄≥70岁患者的术前状态与不良预后相关.具体来说,对于年龄≥70岁的I-III期结直肠癌患者,术前C反应蛋白/白蛋白比值与根治性切除术后的长期预后独立相关.
    BACKGROUND: The number of older patients with cancer has increased, and colorectal cancer is expected to be affected by this trend. This study aimed to compare prognostic factors, including nutritional and inflammation-based indices, between patients aged ≥ 70 and < 70 years following curative resection of stage I-III colorectal cancer.
    METHODS: This study included 560 patients with stage I-III colorectal cancer who underwent curative resection between May 2010 and June 2018. A retrospective analysis was performed to identify prognosis-associated variables in patients aged ≥ 70 and < 70 years.
    RESULTS: Preoperative low body mass index, high C-reactive protein/albumin ratio, and comorbidities were mainly associated with poor prognosis in patients aged ≥ 70 years. Tumor factors were associated with a poor prognosis in patients aged < 70 years. The C-reactive protein/albumin ratio was independently associated with poor overall survival and recurrence-free survival in those aged ≥ 70 years. The time-dependent area under the curve for the C-reactive protein/albumin ratio was superior to those of other nutritional and inflammation-based indices in most postoperative observation periods in patients aged ≥ 70 years.
    CONCLUSIONS: Tumor factors were associated with a poor prognosis in patients aged < 70 years. In addition to lymph node metastasis, preoperative statuses were associated with poor prognosis in patients aged ≥ 70 years. Specifically, the preoperative C-reactive protein/albumin ratio was independently associated with long-term prognosis in patients aged ≥ 70 years with stage I-III colorectal cancer after curative resection.
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  • 文章类型: Case Reports
    一名70岁的男子被诊断出患有早期胃癌,并发现溃疡性疾病。内镜黏膜下剥离术作为绝对指征,并实现了整块切除。病理检查显示为高分化腺癌,尺寸为3×2mm,粘膜内,有溃疡性疤痕,没有淋巴管浸润,和无瘤边缘.我们将其诊断为治愈性切除术,并进行了年度内窥镜检查。内镜黏膜下剥离术后16个月,食管胃十二指肠镜检查显示有单一的溃疡疤痕;然而,血清癌胚抗原水平升高。计算机断层扫描显示胃窦壁增厚,背侧有不规则肿块。此外,18F-氟代脱氧葡萄糖正电子发射断层扫描/计算机断层扫描显示胃窦对18F-氟代脱氧葡萄糖的摄取,不规则质量,还有肝脏.内窥镜超声检查显示,胃窦区域存在内部异质性肿块,从粘膜下层延伸到固有肌层。使用内窥镜超声引导的细针活检与22号针的肿块,我们诊断为粘膜下肿瘤样外观的局部复发,淋巴结转移,和肝转移。不幸的是,患者在确诊3个月后死于胃癌。这里,我们报道了一例罕见的粘膜下层局部复发病例,淋巴结转移,内镜黏膜下剥离术后16个月肝转移。
    A 70-year-old man was diagnosed with early gastric cancer with ulcerative findings. Endoscopic submucosal dissection as an absolute indication was performed, and en bloc resection was achieved. Pathological examination revealed a well-differentiated adenocarcinoma, 3 × 2 mm in size, intramucosal, with an ulcerative scar, no lymphovascular invasion, and a tumor-free margin. We diagnosed it as a curative resection and followed up with annual endoscopy. Sixteen months after endoscopic submucosal dissection, esophagogastroduodenoscopy revealed a singular ulcer scar; however, serum carcinoembryonic antigen level was elevated. Computed tomography scan showed wall thickening of the gastric antrum and an irregular mass on the dorsal side. Additionally, 18F-fluorodeoxyglucose positron emission tomography/coomputed tomography showed 18F-fluorodeoxyglucose uptake in the gastric antrum, irregular mass, and liver. Endoscopic ultrasonography revealed an internally heterogeneous mass in the gastric antrum region extending from the submucosal layer to the muscularis propria layer. Using an endoscopic ultrasonography-guided fine needle biopsy with a 22-gauge needle for the mass, we diagnosed local recurrence with the submucosal tumor-like appearance, lymph node metastasis, and liver metastases. Unfortunately, the patient died of gastric cancer 3 months after the diagnosis. Here, we report a rare case of local recurrence in the submucosal layer, lymph node metastasis, and liver metastases 16 months after curative endoscopic submucosal dissection.
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  • 文章类型: Journal Article
    目前缺乏预测增殖性肝细胞癌(HCC)的预测模型,子类型的集成类,以令人沮丧的预后为特征。因此,本研究旨在开发并验证一种新的预后模型,该模型能够准确预测根治性切除术后增殖性HCC的预后。
    这项回顾性多中心研究包括2014年8月至2020年12月接受根治性肝切除术的孤立性HCC患者(n=816)。根据组织学标准,将患者分为增殖性HCC队列(n=259)或非增殖性HCC队列(n=557)。比较两组患者在一对一倾向评分匹配(PSM)前后的无病生存率(DFS)。在所有增殖性肝癌患者中,203名患者被分配到训练队列,56例患者被分配到验证队列.在训练队列中进行单变量和多变量分析,以确定与不良DFS相关的危险因素。此后,建立了一个预测模型,随后在验证队列中验证。
    增殖性HCC在PSM前后的DFS明显低于非增殖性HCC。同时,多因素回归分析显示,肝硬化(P=0.032)、肿瘤体积较大(P=0.000)是DFS恶化的独立危险因素。最后,预测模型对1、3、5年DFS率的判别能力,由接受者工作特性(ROC)曲线确定,在训练队列中为0.702、0.720和0.809,在验证队列中为0.752、0.776和0.851,分别。
    这项研究开发了一种具有令人满意的准确性的预测模型,以预测肝切除术后增殖性HCC中DFS较差。此外,这种预测模型可以作为临床医生预测肝癌术后复发的有价值的工具,从而使他们能够实施早期预防策略。
    UNASSIGNED: There is a scarcity of predictive models currently accessible for prognosticating proliferative hepatocellular carcinoma (HCC), an integrated class of subtype, characterized by a dismal prognosis. Consequently, this study aimed to develop and validate a novel prognostic model capable of accurately predicting the prognosis of proliferative HCC after curative resection.
    UNASSIGNED: This retrospective multicenter study included patients with solitary HCC who underwent curative liver resection from August 2014 to December 2020 (n = 816). Patients were stratified into either the proliferative HCC cohort (n = 259) or the nonproliferative HCC cohort (n = 557) based on histological criteria. Disease-free survival (DFS) was compared between the two groups before and after one-to-one propensity score matching (PSM). Of all the proliferative HCC patients, 203 patients were assigned to training cohort, and 56 patients were assigned to validation cohort. Univariate and multivariate analyses were performed in training cohort to identify risk factors associated with worse DFS. Thereafter, a predictive model was constructed, subsequently validated in the validation cohort.
    UNASSIGNED: The DFS of proliferative HCC was significantly worse than nonproliferative HCC before and after PSM. Meanwhile, multivariate regression analysis revealed that liver cirrhosis (P = 0.032) and larger tumor size (P = 0.000) were independent risk factors of worse DFS. Lastly, the discriminative abilities of the predictive model for 1, 3, 5-year DFS rates, as determined by receiver operating characteristic (ROC) curves, were 0.702, 0.720, and 0.809 in the training cohort and 0.752, 0.776, and 0.851 in the validation cohort, respectively.
    UNASSIGNED: This study developed a predictive model with satisfactory accuracy to predict the worse DFS in proliferative HCCs after liver resection. Moreover, this predictive model may serve as a valuable tool for clinicians to predict postoperative HCC recurrence, thereby enabling them to implement early preventative strategies.
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  • 文章类型: Randomized Controlled Trial
    背景:根治性切除加淋巴结清扫是T1-3N0M0非小细胞肺癌(NSCLC)患者的常用治疗方法。很少有模型预测这些患者的生存结果。这项研究旨在开发一个列线图来预测他们的总体生存率(OS)。
    方法:本研究涉及1999年1月至2013年10月接受根治性切除的T1-3N0M0非小细胞肺癌患者3002例。来自中山大学肿瘤防治中心的1525例患者以7:3的比例随机分配到训练队列和内部验证队列中。来自10个机构的1477名患者被招募为外部验证队列。根据训练队列构建列线图,并通过内部和外部验证队列进行验证,以预测这些患者的OS。用Harrell的C指数检验了其准确性和实用性,校准图和决策曲线分析(DCA)。
    结果:年龄,性别,组织学分类,病理T分期,和HI标准是OS的独立因素,并包括在我们的列线图中。OS估计的列线图的C指数为0.671(95%CI,0.637-0.705),0.632(95%CI,0.581-0.683),和0.645(95%CI,0.617-0.673)在培训队列中,内部验证队列,和外部验证队列,分别。用于OS预测的校准图和DCA非常吻合。为了方便临床实践,建立了列线图的在线版本。
    结论:我们的列线图可以预测T1-3N0M0NSCLC患者根治性切除术后的OS。我们的列线图的在线版本为临床实践中的快速个性化风险分层和预后预测提供了机会。
    BACKGROUND: Radical resection plus lymph node dissection is a common treatment for patients with T1-3N0M0 non-small cell lung cancer (NSCLC). Few models predicted the survival outcomes of these patients. This study aimed to developed a nomogram for predicting their overall survival (OS).
    METHODS: This study involved 3002 patients with T1-3N0M0 NSCLC after curative resection between January 1999 and October 2013. 1525 Patients from Sun Yat-sen University Cancer Center were randomly allocated to training cohort and internal validation cohort in a ratio of 7:3. 1477 patients from ten institutions were recruited as external validation cohort. A nomogram was constructed based on the training cohort and validated by internal and external validation cohort to predict the OS of these patients. The accuracy and practicability were tested by Harrell\'s C-indexes, calibration plots and decision curve analyses (DCA).
    RESULTS: Age, sex, histological classification, pathological T stage, and HI standard were independent factors for OS and were included in our nomogram. The C-index of the nomogram for OS estimates were 0.671 (95% CI, 0.637-0.705),0.632 (95% CI, 0.581-0.683), and 0.645 (95% CI, 0.617-0.673) in the training cohorts, internal validation cohorts, and external validation cohort, respectively. The calibration plots and DCA for predictions of OS were in excellent agreement. An online version of the nomogram was built for convenient clinical practice.
    CONCLUSIONS: Our nomogram can predict the OS of patients with T1-3N0M0 NSCLC after curative resection. The online version of our nomogram offer opportunities for fast personalized risk stratification and prognosis prediction in clinical practice.
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  • 文章类型: Case Reports
    背景:在胃出口梗阻(GOO)的中段或下段无法切除的胃癌(GC)中,化疗后进行胃空肠吻合术仍然是主要的治疗方法。对于对化疗反应良好的选定患者,根治性手术是多模式治疗策略的一部分。这项研究描述了在改良的胃分区胃空肠造口术(SPGJ)缓解梗阻后,通过完全腹腔镜胃大部切除术成功进行根治性切除术的情况。一个有GOO的病人
    方法:在初次食管胃十二指肠镜检查期间,在胃的下部检测到晚期生长,导致幽门环阻塞.在此之后,计算机断层扫描(CT)扫描显示十二指肠存在淋巴结转移和肿瘤浸润,但是没有发现远处转移的证据。因此,我们做了一个改良的SPGJ,完全腹腔镜SPGJ结合No.4sb淋巴结清扫术,用于解除阻塞。此后施用七个疗程的佐剂卡培他滨加奥沙利铂联合托里帕利单抗(程序性死亡配体-1抑制剂)。术前CT显示部分反应;因此,行完全腹腔镜根治性胃大部切除术加D2淋巴结清扫术,病理完全缓解。
    结论:腹腔镜SPGJ联合No.4sb淋巴结清扫术是GOO最初不可切除的GC的有效手术技术。
    BACKGROUND: Chemotherapy followed by gastrojejunostomy remains the main treatment for unresectable gastric cancer (GC) in the middle- or lower-third regions with gastric outlet obstruction (GOO). Radical surgery is performed as part of a multimodal treatment strategy for selected patients who respond well to chemotherapy. This study describes a case of successful radical resection with completely laparoscopic subtotal gastrectomy after a modified stomach-partitioning gastrojejunostomy (SPGJ) for obstruction relief, in a patient with GOO.
    METHODS: During the initial esophagogastroduodenoscopy, an advanced growth was detected in the lower part of the stomach, which caused an obstruction in the pyloric ring. Following this, a computed tomography (CT) scan revealed the presence of lymph node metastases and tumor invasion in the duodenum, but no evidence of distant metastasis was found. Consequently, we performed a modified SPGJ, a complete laparoscopic SPGJ combined with No. 4sb lymph node dissection, for obstruction relief. Seven courses of adjuvant capecitabine plus oxaliplatin combined with Toripalimab (programmed death ligand-1 inhibitor) were administered thereafter. A preoperative CT showed partial response; therefore, completely laparoscopic radical subtotal gastrectomy with D2 lymphadenectomy was performed after conversion therapy, and pathological complete remission was achieved.
    CONCLUSIONS: Laparoscopic SPGJ combined with No. 4sb lymph node dissection was an effective surgical technique for initially unresectable GC with GOO.
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