原发性十二指肠恶性肿瘤(primary malignant tumor of the duodenum,PMTD)在胃肠道肿瘤中较为罕见,约占所有胃肠道恶性肿瘤的0.3%~1%[1]。其常见的组织学类型有腺癌、胃肠道间质瘤、恶性淋巴瘤和神经内分泌肿瘤等[2]。而原发性十二指肠...原发性十二指肠恶性肿瘤(primary malignant tumor of the duodenum,PMTD)在胃肠道肿瘤中较为罕见,约占所有胃肠道恶性肿瘤的0.3%~1%[1]。其常见的组织学类型有腺癌、胃肠道间质瘤、恶性淋巴瘤和神经内分泌肿瘤等[2]。而原发性十二指肠鳞癌(primary duodenal squamous cell carcinoma,PDSCC)是罕见的十二指肠恶性肿瘤的类型,其发病率低,临床表现缺乏特异性。笔者报道1例PDSCC的诊治过程,结合相关文献,以加深对此病的了解及认识,为临床工作提供参考。展开更多
BACKGROUND Duodenal adenocarcinoma(DA),a rare gastrointestinal malignancy,lacks clear natural history and management strategies.This study aimed to investigate the long-term outcomes of patients with DA,focusing on lo...BACKGROUND Duodenal adenocarcinoma(DA),a rare gastrointestinal malignancy,lacks clear natural history and management strategies.This study aimed to investigate the long-term outcomes of patients with DA,focusing on long-term survival and the impact of tumor characteristics,surgery,and adjuvant therapy.AIM To bridge this knowledge gap,we conducted a hospital-based cohort study in our 15-year experience with DA aimed at investigating the long-term outcomes of the patients with DA,along with analyzing the impact of the tumor characteristics,operations and adjuvant therapy on survival outcomes.METHODS A retrospective analysis of 208 patients diagnosed with non-ampullary DA at a single institution between 2009 and 2023 was performed.This study used SPSS 26.0 software to make a comprehensive statistical analysis of demographic characteristics,clinical presentation,treatment modalities,and survival outcomes.The effectiveness of surgical resection and adjuvant therapy in 5-year oval survival(OS)and disease-free survival was evaluated using Kaplan-Meier survival curves,the Cox proportional hazards model,and statistical comparisons of survival distributions.RESULTS The median OS time for the cohort was 39 months,with 3-and 5-year OS rates of 51.2%and 43.6%,respectively.Radical resection was performed in 82.6%of cases,and was significantly associated with an improved 5-year OS,with a rate of 57.8%.Adjuvant therapy showed a survival benefit in the specific patient subsets,particularly in tumor stage Ⅱ or Ⅲ tumors,with an improved OS.Adjuvant therapy(hazard ratio=2.71,95%confidence interval:1.30-5.62,P=0.008),pancreatic invasion and advanced tumor stage were identified as significant predictors of OS in multivariate analyses.CONCLUSION Radical operation for DA is associated with a remarkable improvement in the 5-year OS.Importantly,postoperative adjuvant therapy can significantly prolong the OS time in patients with radical operation,especially in patients with stage III.It highlights the necessity for early diagnosis,tailored surgical approaches,and a nuanced understanding of the role of adjuvant therapy.展开更多
BACKGROUND Colorectal cancer is a common malignancy and various methods have been introduced to decrease the possibility of recurrence.Early recurrence(ER)is related to worse prognosis.To date,few observational studie...BACKGROUND Colorectal cancer is a common malignancy and various methods have been introduced to decrease the possibility of recurrence.Early recurrence(ER)is related to worse prognosis.To date,few observational studies have reported on the analysis of rectal cancer.Hence,we reported on the timing and risk factors for the ER of resectable rectal cancer at our institute.AIM To analyze a cohort of patients with local and/or distant recurrence following the radical resection of the primary tumor.METHODS Data were retrospectively collected from the institutional database from March 2011 to January 2021.Clinicopathological data at diagnosis,perioperative and postoperative data,and first recurrence were collected and analyzed.ER was defined via receiver operating characteristic curve.Prognostic factors were evaluated using the Kaplan–Meier method and Cox proportional hazards modeling.RESULTS We included 131 patients.The optimal cut off value of recurrence-free survival(RFS)to differentiate between ER(n=55,41.9%)and late recurrence(LR)(n=76,58.1%)was 8 mo.The median post-recurrence survival(PRS)of ER and LR was 1.4 mo and 2.9 mo,respectively(P=0.008)but PRS was not strongly associated with RFS(R^(2)=0.04).Risk factors included age≥70 years[hazard ratio(HR)=1.752,P=0.047],preoperative concurrent chemoradiotherapy(HR=3.683,P<0.001),colostomy creation(HR=2.221,P=0.036),and length of stay>9 d(HR=0.441,P=0.006).CONCLUSION RFS of 8 mo was the optimal cut-off value.Although ER was not associated with PRS,it was still related to prognosis;thus,intense surveillance is recommended.展开更多
BACKGROUND The study aimed to analyze the characteristic clinical manifestations of patients with intestinal disease Meckel’s diverticulum(MD)complicated by digestive tract hemorrhage.Moreover,we aimed to evaluate th...BACKGROUND The study aimed to analyze the characteristic clinical manifestations of patients with intestinal disease Meckel’s diverticulum(MD)complicated by digestive tract hemorrhage.Moreover,we aimed to evaluate the value of double-balloon enteroscopy(DBE)in MD diagnosis and the prognosis after laparoscopic diverticula resection.AIM To evaluate the value of DBE in the diagnosis and the prognosis after laparoscopic diverticula resection for MD with bleeding.METHODS The study retrospectively analyzed relevant data from 84 MD patients treated between January 2015 and March 2022 and recorded their clinical manifestations,auxiliary examination,and follow-up after laparoscopic resection of diverticula.RESULTS(1)Among 84 MD patients complicated with hemorrhage,77 were male,and 7 were female with an average age of 31.31±10.75 years.The incidence was higher in men than in women of different ages;(2)Among the 84 MD patients,65(78.40%)had defecated dark red stools,and 50(58.80%)had no accompanying symptoms during bleeding,indicating that most MD bleeding appeared a dark red stool without accompanying symptoms;(3)The shock index of 71 patients(85.20%)was<1,suggesting that the blood loss of most MD patients was less than 20%–30%,and only a few patients had a blood loss of>30%;(4)The DBE-positive rate was 100%(54/54),99mTcpertechnetate-positive scanning rate was 78%(35/45)compared with capsule endoscopy(36%)and small intestine computed tomography(19%).These results suggest that DBE and 99mTc-pertechnetate scans had significant advantages in diagnosing MD and bleeding,especially DBE was a highly precise examination method in MD diagnosis;(5)A total of 54 MD patients with hemorrhage underwent DBE examination before surgery.DBE endoscopy revealed many mucosal manifestations including normal appearance,inflammatory changes,ulcerative changes,diverticulum inversion,and nodular hyperplasia,with ulcerative changes being the most common(53.70%).This suggests that diverticular mucosal ulcer was the main cause of MD and bleeding;and(6)Laparoscopic dissection of diverticulae was performed in 76 patients,The patients who underwent postoperative follow-up did not experience any further bleeding.Additionally,follow-up examination of the 8 cases who had declined surgery revealed that 3 of them experienced a recurrence of digestive tract bleeding.These findings indicate that laparoscopic diverticula resection in MD patients complicated by bleeding had a favorable prognosis.CONCLUSION Bleeding associated with MD was predominantly observed in male adolescents,particularly at a young age.DBE was a highly precise examination method in MD diagnosis.Laparoscopic diverticula resection effectively prevented MD bleeding and had a good prognosis.展开更多
十二指肠复合神经节细胞瘤/神经瘤-神经内分泌肿瘤(compositegangliocytoma/neuromaand neuroendocrinetumor,CoGNET)是一种较罕见的肿瘤。CoGNET先前被称为节细胞性副神经节瘤(gangliocytic paraganglioma,GP),在2022年世界卫生组织神...十二指肠复合神经节细胞瘤/神经瘤-神经内分泌肿瘤(compositegangliocytoma/neuromaand neuroendocrinetumor,CoGNET)是一种较罕见的肿瘤。CoGNET先前被称为节细胞性副神经节瘤(gangliocytic paraganglioma,GP),在2022年世界卫生组织神经内分泌肿瘤分类中,其被重新命名。本文报告1例65岁CoGNET男性患者,因反酸、烧心伴便血就诊。术后病理显示肿物由梭形细胞、神经节细胞和上皮样细胞3种细胞成分组成。3种细胞成分具有不同的免疫组织化学染色模式:梭形细胞示神经丝蛋白(neurofilament protein,NFP)(+),中枢神经特异蛋白(central nervous system specific protein,S-100)(+),与性别决定区域Y相关的高迁移率组盒蛋白10(sex deciding region y-box[SRY]-related high motility[HMG]-box 10,SOX10)(+);神经节细胞示NFP(+),S-100(+),SOX10(-);上皮样细胞示广谱细胞角蛋白(pan cytokeratin,AE1/AE3)(+),细胞黏附分子5.2(cell adhesion molecules 5.2,CAM5.2)(+),突触素(synaptophysin,Syn)(+),嗜铬素A(chromograninA,CgA)(+),孕激素受体(progesterone receptor,PR)(+),GATA结合蛋白3(GATA binding protein 3,GATA-3)(-),胶质纤维酸性蛋白(glial fibrillary acidic protein,GFAP)(-),分化抗原簇117(cluster of differentiation 117,CD117)(弱+)。病理诊断为CoGNET,神经内分泌肿瘤成分为高分化神经内分泌瘤。患者术后未行进一步治疗,术后随访19个月,无复发及转移。展开更多
文摘原发性十二指肠恶性肿瘤(primary malignant tumor of the duodenum,PMTD)在胃肠道肿瘤中较为罕见,约占所有胃肠道恶性肿瘤的0.3%~1%[1]。其常见的组织学类型有腺癌、胃肠道间质瘤、恶性淋巴瘤和神经内分泌肿瘤等[2]。而原发性十二指肠鳞癌(primary duodenal squamous cell carcinoma,PDSCC)是罕见的十二指肠恶性肿瘤的类型,其发病率低,临床表现缺乏特异性。笔者报道1例PDSCC的诊治过程,结合相关文献,以加深对此病的了解及认识,为临床工作提供参考。
基金Supported by Natural Science Foundation of Guangdong Province of China,No.2023A1515010785Key Clinical Technique of Guangzhou,No.2023P-ZD01Clinical Research Program of Nanfang Hospital,Southern Medical University,No.2021CR003.
文摘BACKGROUND Duodenal adenocarcinoma(DA),a rare gastrointestinal malignancy,lacks clear natural history and management strategies.This study aimed to investigate the long-term outcomes of patients with DA,focusing on long-term survival and the impact of tumor characteristics,surgery,and adjuvant therapy.AIM To bridge this knowledge gap,we conducted a hospital-based cohort study in our 15-year experience with DA aimed at investigating the long-term outcomes of the patients with DA,along with analyzing the impact of the tumor characteristics,operations and adjuvant therapy on survival outcomes.METHODS A retrospective analysis of 208 patients diagnosed with non-ampullary DA at a single institution between 2009 and 2023 was performed.This study used SPSS 26.0 software to make a comprehensive statistical analysis of demographic characteristics,clinical presentation,treatment modalities,and survival outcomes.The effectiveness of surgical resection and adjuvant therapy in 5-year oval survival(OS)and disease-free survival was evaluated using Kaplan-Meier survival curves,the Cox proportional hazards model,and statistical comparisons of survival distributions.RESULTS The median OS time for the cohort was 39 months,with 3-and 5-year OS rates of 51.2%and 43.6%,respectively.Radical resection was performed in 82.6%of cases,and was significantly associated with an improved 5-year OS,with a rate of 57.8%.Adjuvant therapy showed a survival benefit in the specific patient subsets,particularly in tumor stage Ⅱ or Ⅲ tumors,with an improved OS.Adjuvant therapy(hazard ratio=2.71,95%confidence interval:1.30-5.62,P=0.008),pancreatic invasion and advanced tumor stage were identified as significant predictors of OS in multivariate analyses.CONCLUSION Radical operation for DA is associated with a remarkable improvement in the 5-year OS.Importantly,postoperative adjuvant therapy can significantly prolong the OS time in patients with radical operation,especially in patients with stage III.It highlights the necessity for early diagnosis,tailored surgical approaches,and a nuanced understanding of the role of adjuvant therapy.
文摘BACKGROUND Colorectal cancer is a common malignancy and various methods have been introduced to decrease the possibility of recurrence.Early recurrence(ER)is related to worse prognosis.To date,few observational studies have reported on the analysis of rectal cancer.Hence,we reported on the timing and risk factors for the ER of resectable rectal cancer at our institute.AIM To analyze a cohort of patients with local and/or distant recurrence following the radical resection of the primary tumor.METHODS Data were retrospectively collected from the institutional database from March 2011 to January 2021.Clinicopathological data at diagnosis,perioperative and postoperative data,and first recurrence were collected and analyzed.ER was defined via receiver operating characteristic curve.Prognostic factors were evaluated using the Kaplan–Meier method and Cox proportional hazards modeling.RESULTS We included 131 patients.The optimal cut off value of recurrence-free survival(RFS)to differentiate between ER(n=55,41.9%)and late recurrence(LR)(n=76,58.1%)was 8 mo.The median post-recurrence survival(PRS)of ER and LR was 1.4 mo and 2.9 mo,respectively(P=0.008)but PRS was not strongly associated with RFS(R^(2)=0.04).Risk factors included age≥70 years[hazard ratio(HR)=1.752,P=0.047],preoperative concurrent chemoradiotherapy(HR=3.683,P<0.001),colostomy creation(HR=2.221,P=0.036),and length of stay>9 d(HR=0.441,P=0.006).CONCLUSION RFS of 8 mo was the optimal cut-off value.Although ER was not associated with PRS,it was still related to prognosis;thus,intense surveillance is recommended.
基金Supported by the Ten Thousand Doctor Plan in Yunnan Province,No.YNWR-MY-2018-020Yunnan Digestive Endoscopy Clinical Medical Center Foundation for Health Commission of Yunnan Province,No.2021LCZXXF-XH07,No.2021LCZXXF-XH15,and No.2022LCZXKF-XH17Yunnan Provincial Key Laboratory of Clinical Virology,No.202205AG070053-07.
文摘BACKGROUND The study aimed to analyze the characteristic clinical manifestations of patients with intestinal disease Meckel’s diverticulum(MD)complicated by digestive tract hemorrhage.Moreover,we aimed to evaluate the value of double-balloon enteroscopy(DBE)in MD diagnosis and the prognosis after laparoscopic diverticula resection.AIM To evaluate the value of DBE in the diagnosis and the prognosis after laparoscopic diverticula resection for MD with bleeding.METHODS The study retrospectively analyzed relevant data from 84 MD patients treated between January 2015 and March 2022 and recorded their clinical manifestations,auxiliary examination,and follow-up after laparoscopic resection of diverticula.RESULTS(1)Among 84 MD patients complicated with hemorrhage,77 were male,and 7 were female with an average age of 31.31±10.75 years.The incidence was higher in men than in women of different ages;(2)Among the 84 MD patients,65(78.40%)had defecated dark red stools,and 50(58.80%)had no accompanying symptoms during bleeding,indicating that most MD bleeding appeared a dark red stool without accompanying symptoms;(3)The shock index of 71 patients(85.20%)was<1,suggesting that the blood loss of most MD patients was less than 20%–30%,and only a few patients had a blood loss of>30%;(4)The DBE-positive rate was 100%(54/54),99mTcpertechnetate-positive scanning rate was 78%(35/45)compared with capsule endoscopy(36%)and small intestine computed tomography(19%).These results suggest that DBE and 99mTc-pertechnetate scans had significant advantages in diagnosing MD and bleeding,especially DBE was a highly precise examination method in MD diagnosis;(5)A total of 54 MD patients with hemorrhage underwent DBE examination before surgery.DBE endoscopy revealed many mucosal manifestations including normal appearance,inflammatory changes,ulcerative changes,diverticulum inversion,and nodular hyperplasia,with ulcerative changes being the most common(53.70%).This suggests that diverticular mucosal ulcer was the main cause of MD and bleeding;and(6)Laparoscopic dissection of diverticulae was performed in 76 patients,The patients who underwent postoperative follow-up did not experience any further bleeding.Additionally,follow-up examination of the 8 cases who had declined surgery revealed that 3 of them experienced a recurrence of digestive tract bleeding.These findings indicate that laparoscopic diverticula resection in MD patients complicated by bleeding had a favorable prognosis.CONCLUSION Bleeding associated with MD was predominantly observed in male adolescents,particularly at a young age.DBE was a highly precise examination method in MD diagnosis.Laparoscopic diverticula resection effectively prevented MD bleeding and had a good prognosis.
文摘十二指肠复合神经节细胞瘤/神经瘤-神经内分泌肿瘤(compositegangliocytoma/neuromaand neuroendocrinetumor,CoGNET)是一种较罕见的肿瘤。CoGNET先前被称为节细胞性副神经节瘤(gangliocytic paraganglioma,GP),在2022年世界卫生组织神经内分泌肿瘤分类中,其被重新命名。本文报告1例65岁CoGNET男性患者,因反酸、烧心伴便血就诊。术后病理显示肿物由梭形细胞、神经节细胞和上皮样细胞3种细胞成分组成。3种细胞成分具有不同的免疫组织化学染色模式:梭形细胞示神经丝蛋白(neurofilament protein,NFP)(+),中枢神经特异蛋白(central nervous system specific protein,S-100)(+),与性别决定区域Y相关的高迁移率组盒蛋白10(sex deciding region y-box[SRY]-related high motility[HMG]-box 10,SOX10)(+);神经节细胞示NFP(+),S-100(+),SOX10(-);上皮样细胞示广谱细胞角蛋白(pan cytokeratin,AE1/AE3)(+),细胞黏附分子5.2(cell adhesion molecules 5.2,CAM5.2)(+),突触素(synaptophysin,Syn)(+),嗜铬素A(chromograninA,CgA)(+),孕激素受体(progesterone receptor,PR)(+),GATA结合蛋白3(GATA binding protein 3,GATA-3)(-),胶质纤维酸性蛋白(glial fibrillary acidic protein,GFAP)(-),分化抗原簇117(cluster of differentiation 117,CD117)(弱+)。病理诊断为CoGNET,神经内分泌肿瘤成分为高分化神经内分泌瘤。患者术后未行进一步治疗,术后随访19个月,无复发及转移。
