Objective:In recent years,the incidence and detection rate of pancreatic cystic lesions(PCLs)have increased significantly.Endoscopic ultrasound(EUS)plays an indispensable role in the diagnosis and differential diagnos...Objective:In recent years,the incidence and detection rate of pancreatic cystic lesions(PCLs)have increased significantly.Endoscopic ultrasound(EUS)plays an indispensable role in the diagnosis and differential diagnosis of PCLs.However,evidence comparing the diagnostic performance of EUS-guided fine-needle aspiration(EUS-FNA)and fine-needle biopsy(FNB)remains limited.This study aims to compare the diagnostic yield,adequacy of tissue acquisition,and safety between EUS-FNA and EUS-FNB in evaluating PCLs to inform clinical practice.Methods:A retrospective review was conducted on patients with PCLs who underwent either EUS-FNA or EUS-FNB between January 2014 and August 2021.The diagnostic yield,tissue acquisition adequacy,and incidence of adverse events were compared between the 2 groups.Results:A total of 90 patients with PCLs were included(52 in the FNA group and 38 in the FNB group).The diagnostic yield was similar between the FNA and FNB groups(94.2%vs 94.7%,P>0.05).The adequacy of tissue acquisition was 71.2%in the FNA group and 81.6%in the FNB group(P>0.05).No statistically significant difference was observed in the incidence of adverse events between the 2 groups(P>0.05).Conclusion:Both EUS-FNA and EUS-FNB demonstrate equally high diagnostic yields and tissue adequacy in PCLs,with excellent safety profiles.Both methods are safe and effective diagnostic tools for evaluating PCLs.展开更多
目的:通过研究前列腺素E1(prostaglandin E1,PGE1)对实验性肝纤维化大鼠基质金属蛋白酶组织抑制因子-1(tissue inhibitor of metalloproteinase-1,TIMP-1)的影响,探讨PGE1抗肝纤维化的另一可能机制。方法:采用四氯化碳诱导建立大鼠肝纤...目的:通过研究前列腺素E1(prostaglandin E1,PGE1)对实验性肝纤维化大鼠基质金属蛋白酶组织抑制因子-1(tissue inhibitor of metalloproteinase-1,TIMP-1)的影响,探讨PGE1抗肝纤维化的另一可能机制。方法:采用四氯化碳诱导建立大鼠肝纤维化模型,将动物分为对照组和PGE1治疗组,治疗结束后从对照组及PGE1治疗组中取肝脏组织,比较分析两组肝组织病理学改变,对HE染色的肝组织切片进行肝炎活动度分级;对肝组织纤维、TIMP-1免疫组化阳性表达及胶原含量进行病理图像定量分析研究。结果:与对照组比较,治疗组肝炎炎症活动度减轻,统计学分析差异有统计学意义(P<0.05);治疗组肝组织中纤维化程度、胶原纤维、TIMP-1阳性细胞均下降,与对照组比较差异有统计学意义(均P<0.05)。结论:PGE1具有抗肝纤维化的作用,能减轻肝脏的炎症反应,抑制胶原纤维的形成,其机制可能与PGE1抑制TIMP-1的表达有关。展开更多
基金supported by the Special Project for the Construction of Innovative Provinces in Hunan Province,China(2020SK2013)。
文摘Objective:In recent years,the incidence and detection rate of pancreatic cystic lesions(PCLs)have increased significantly.Endoscopic ultrasound(EUS)plays an indispensable role in the diagnosis and differential diagnosis of PCLs.However,evidence comparing the diagnostic performance of EUS-guided fine-needle aspiration(EUS-FNA)and fine-needle biopsy(FNB)remains limited.This study aims to compare the diagnostic yield,adequacy of tissue acquisition,and safety between EUS-FNA and EUS-FNB in evaluating PCLs to inform clinical practice.Methods:A retrospective review was conducted on patients with PCLs who underwent either EUS-FNA or EUS-FNB between January 2014 and August 2021.The diagnostic yield,tissue acquisition adequacy,and incidence of adverse events were compared between the 2 groups.Results:A total of 90 patients with PCLs were included(52 in the FNA group and 38 in the FNB group).The diagnostic yield was similar between the FNA and FNB groups(94.2%vs 94.7%,P>0.05).The adequacy of tissue acquisition was 71.2%in the FNA group and 81.6%in the FNB group(P>0.05).No statistically significant difference was observed in the incidence of adverse events between the 2 groups(P>0.05).Conclusion:Both EUS-FNA and EUS-FNB demonstrate equally high diagnostic yields and tissue adequacy in PCLs,with excellent safety profiles.Both methods are safe and effective diagnostic tools for evaluating PCLs.
文摘目的:通过研究前列腺素E1(prostaglandin E1,PGE1)对实验性肝纤维化大鼠基质金属蛋白酶组织抑制因子-1(tissue inhibitor of metalloproteinase-1,TIMP-1)的影响,探讨PGE1抗肝纤维化的另一可能机制。方法:采用四氯化碳诱导建立大鼠肝纤维化模型,将动物分为对照组和PGE1治疗组,治疗结束后从对照组及PGE1治疗组中取肝脏组织,比较分析两组肝组织病理学改变,对HE染色的肝组织切片进行肝炎活动度分级;对肝组织纤维、TIMP-1免疫组化阳性表达及胶原含量进行病理图像定量分析研究。结果:与对照组比较,治疗组肝炎炎症活动度减轻,统计学分析差异有统计学意义(P<0.05);治疗组肝组织中纤维化程度、胶原纤维、TIMP-1阳性细胞均下降,与对照组比较差异有统计学意义(均P<0.05)。结论:PGE1具有抗肝纤维化的作用,能减轻肝脏的炎症反应,抑制胶原纤维的形成,其机制可能与PGE1抑制TIMP-1的表达有关。
