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Revolutionizing palliative care:Electrocautery-enhanced lumenapposing metal stents in endoscopic-ultrasound-guided biliary drainage for malignant obstructions

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2358-2361页

作者： Nirmal Kumar Reddy Onteddu Naga Sai Rasagna Mareddy Sai Swarupa R Vulasala Jayabharath Onteddu Mayur Virarkar department of Internal Medicine University of Florida College of MedicineJacksonvilleFL 32209United States department of Diagnostic radiology University of AlabamaBirminghamAL 35294United States department of Diagnostic radiology University of Florida College of MedicineJacksonvilleFL 32209United States department of Public Health Sciences University of FloridaGainesvilleFL 32611United States

Patients with malignant biliary obstruction,following endoscopic retrograde cholangiopancreatography(ERCP)failure could be referred for endoscopicultrasound-guided biliary drainage through electrocautery-enhanced(ECE)lumen-apposing metal stent(LAMS)***,the efficacy and safety of ECE-LAMS in this scenario have remained debatable due to minimal scientific *** current confirmed 91.0%clinical success,96.7%technical success,7.3%reintervention rate,and 17.5%adverse events,following the treatment of malignant biliary obstruction with ECE-LAMS ***,ECE-LAMS proved to be a generalizable strategy for managing biliary obstruction for patients who were excluded from ERCP.

关键词： Endoscopic retrograde cholangiopancreatography Electrocautery-enhancedlumen-apposing metal stent Biliary drainage Biliary stent Endoscopic ultrasound

Transarterial chemoembolization refractoriness in hepatocellular carcinoma: Chinese College of Interventionalists definition and consensus statement

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中华医学杂志(英文版) 2024年第17期137卷 2040-2042页

作者： Zhong Binyan Zhang Shen Zhu Haidong Wang Wansheng Ni Caifang Clinical Guidelines Committee of Chinese College of Interventionalists department of Interventional radiology The First Affiliated Hospital of Soochow University Suzhou Jiangsu China Center of Interventional radiology & Vascular Surgery Department of Radiology Zhongda Hospital Medical School Southeast University Nanjing Jiangsu China

Development and validation of a prognostic immunoinflammatory index for patients with gastric cancer

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World Journal of Gastroenterology 2024年第24期30卷 3059-3075页

作者： Zhi-Chang Ba Xi-Qing Zhu Zhi-Guo Li Yuan-Zhou Li department of radiology Harbin Medical University Cancer HospitalHarbin 150081Heilongjiang ProvinceChina department of Gastrointestinal Surgery Harbin Medical University Cancer HospitalHarbin 150081Heilongjiang ProvinceChina

BACKGROUND Studies have demonstrated the influence of immunity and inflammation on the development of *** single biomarkers of immunity and inflam-mation have been shown to be clinically predictive,the use of biomarkers integrating both to predict prognosis in patients with gastric cancer remains to be *** To investigate the prognostic and clinical significance of inflammatory biomarkers and lymphocytes in patients undergoing surgical treatment for gastric *** Univariate COX regression analysis was performed to identify potential prognostic factors for patients with gastric cancer undergoing surgical *** absolute shrinkage and selection operator-COX(LASSO-COX)regression analysis was performed to integrate these factors and formulate a new prognostic immunoinflammatory index(PII).The correlation between PII and clinical charac-teristics was statistically *** incorporating the PII score were devised and validated based on the time-dependent area under the curve and decision curve *** Patients exhibiting elevated neutrophil-to-lymphocyte ratio,platelet-to-lymphocyte ratio,and systemic immune inflammatory index displayed inferior progression-free survival(PFS)and overall survival(OS).Conversely,low levels of CD3(+),CD3(+)CD8(+),CD4(+)CD8(+),and CD3(+)CD16(+)CD56(+)T lymphocytes were associated with improved PFS and OS,while high CD19(+)T lymphocyte levels were linked to worse PFS and *** PII score demonstrated associations with tumor characteristics(primary tumor site and tumor size),establishing itself as an independent prognostic factor for both PFS and ***-dependent area under the curve and decision curve analysis affirmed the effectiveness of the PII-based nomogram as a robust prognostic predictive *** PII may be a reliable predictor of prognosis in patients with gastric cancer undergoing surgical treatment,and it offers insights into cancer-related immune-inflammatory re

关键词： Gastric cancer Immunity Inflammation Prognosis Nomogram

Correlation between abdominal computed tomography signs and postoperative prognosis for patients with colorectal cancer

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World Journal of Gastrointestinal Surgery 2024年第7期16卷 2145-2156页

作者： Shao-Min Yang Jie-Mei Liu Rui-Ping Wen Yu-Dong Qian Jing-Bo He Jing-Song Sun department of radiology Xingtan Hospital Affiliated to Shunde Hospital of Southern Medical UniversityFoshan 528315Guangdong ProvinceChina department of Rehabilitation Medicine Shunde HospitalSouthern Medical UniversityFoshan 528399Guangdong ProvinceChina department of radiology Lecong Hospital of ShundeFoshan 528315Guangdong ProvinceChina department of Ultrasound Lecong Hospital of ShundeFoshan 528315Guangdong ProvinceChina

BACKGROUND Patients with different stages of colorectal cancer(CRC)exhibit different abdominal computed tomography(CT)***,the influence of CT signs on CRC prognosis must be *** To observe abdominal CT signs in patients with CRC and analyze the correlation between the CT signs and postoperative *** The clinical history and CT imaging results of 88 patients with CRC who underwent radical surgery at Xingtan Hospital Affiliated to Shunde Hospital of Southern Medical University were retrospectively *** and multivariate Cox regression analyses were used to explore the independent risk factors for postoperative death in patients with *** three-year survival rate was analyzed using the Kaplan-Meier curve,and the correlation between postoperative survival time and abdominal CT signs in patients with CRC was analyzed using Spearman correlation *** For patients with CRC,the three-year survival rate was 73.86%.The death group exhibited more severe characteristics than the survival group.A multivariate Cox regression model analysis showed that body mass index(BMI),degree of periintestinal infiltration,tumor size,and lymph node CT value were independent factors influencing postoperative death(P<0.05 for all).Patients with characteristics typical to the death group had a low three-year survival rate(log-rankχ2=66.487,11.346,12.500,and 27.672,respectively,P<0.05 for all).The survival time of CRC patients was negatively correlated with BMI,degree of periintestinal infiltration,tumor size,lymph node CT value,mean tumor long-axis diameter,and mean tumor short-axis diameter(r=-0.559,0.679,-0.430,-0.585,-0.425,and-0.385,respectively,P<0.05 for all).BMI was positively correlated with the degree of periintestinal invasion,lymph node CT value,and mean tumor short-axis diameter(r=0.303,0.431,and 0.437,respectively,P<0.05 for all).CONCLUSION The degree of periintestinal infiltration,tumor size,and lymph node CT value are c

关键词： Colorectal cancer Abdominal Computed tomography signs Radical surgery Prognosis Correlation

Evaluating the influence of sarcopenia and myosteatosis on clinical outcomes in gastric cancer patients undergoing immune checkpoint inhibitor

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World Journal of Gastroenterology 2024年第8期30卷 863-880页

作者： Gui-Ming Deng Hai-Bin Song Zhong-Ze Du Ying-Wei Xue Hong-Jiang Song Yuan-Zhou Li department of Gastrointestinal Surgery Harbin Medical University Cancer HospitalHarbin 150081Heilongjiang ProvinceChina department of radiology Harbin Medical University Cancer HospitalHarbin 150081Heilongjiang ProvinceChina

BACKGROUND The development and progression of gastric cancer(GC)are closely linked to the nutritional status of *** immunotherapy has been demonstrated to be clinically effective,the relationships of sarcopenia and myosteatosis with the use of immune checkpoint inhibitors(ICIs)in patients with gastric cancer remain to be *** We performed a retrospective study of patients who were undergoing immuno-therapy for *** the evaluation of sarcopenia,the optimal cut-off value for the skeletal muscle index was established using receiver operating characteristic analysis of data obtained from pre-treatment computed tomography images at the L3 vertebral *** was defined using the mean skeletal muscle density(SMD),with a threshold value of<41 Hounsfield units(HU)for patients with a body mass index(BMI)<25 kg/m^(2)and<33 HU for those with a BMI≥25 kg/m^(2).The log-rank test was used to compare progression-free survival(PFS)and overall survival(OS),and a Cox proportional hazard model was used to identify prognostic *** were developed to predict the PFS and OS of patients on the basis of the results of multivariate *** We studied 115 patients who were undergoing ICI therapy for GC,of whom 27.4%had sarcopenia and 29.8%had *** with sarcopenia or myosteatosis had significantly shorter PFS and OS than those without these ***,both sarcopenia and myosteatosis were found to be independent predictors of PFS and OS in patients with GC administering an *** prediction models created for PFS and OS were associated with C-indexes of 0.758 and 0.781,*** The presence of sarcopenia or myosteatosis is a reliable predictor of the clinical outcomes of patients with GC who are undergoing treatment with an ICI.

关键词： Gastric cancer Sarcopenia Myosteatosis,Immune checkpoint inhibitor Prognostic factor Overall survival Progression-free survival

Verteporfin fluorescence in antineoplastic-treated pancreatic cancer cells found concentrated in mitochondria

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World Journal of Gastrointestinal Oncology 2024年第3期16卷 968-978页

作者： Ying-Qiao Zhang Qing-Hao Liu Lu Liu Peng-Yu Guo Run-Ze Wang Zhi-Chang Ba department of radiology Harbin Medical University Cancer HospitalHarbin 150010Heilongjiang ProvinceChina department of Digestive Internal Medicine Harbin Medical University Cancer HospitalHarbin 150010Heilongjiang ProvinceChina

BACKGROUND Traditional treatments for pancreatic cancer(PC)are *** therapy(PDT)is non-invasive,and proven safe to kill cancer cells,including ***,the mitochondrial concentration of the photosensitizer,such as verteporfin,is *** To investigate the distribution of fluorescence of verteporfin in PC cells treated with antitumor drugs,*** Workable survival rates of PC cells(AsPC-1,BxPC-3)were determined with chemotherapy[doxorubicin(DOX)and gemcitabine(GEM)]and non-chemotherapy[sirolimus(SRL)and cetuximab(CTX)]drugs in vitro,with or without verteporfin,as measured via MTT,flow cytometry,and laser confocal *** cell proliferation was associated with GEM that was more enduring compared with *** laser microscopy allowed observation of GEM-and verteporfin-treated PC cells co-stained with 4’,6-diamidino-2-phenylindole and MitoTracker Green to differentiate living and dead cells and subcellular localization of verteporfin,*** Cell survival significantly dropped upon exposure to either chemotherapy drug,but not to SRL or *** cell lines responded similarly to *** intensity of fluorescence was associated with the concentration of *** experiments using GEM showed that survival rates of the PC cells treated with 10μmol/L verteporfin(but not less)were significantly lower relative to nil *** and dead stained cells treated with GEM were *** GEM treatment,verteporfin was observed primarily in the *** Verteporfin was observed in living *** GEM-treated human PC cells,verteporfin was particularly prevalent in the *** study supports further study of PDT for the treatment of PC after neoadjuvant chemotherapy.

关键词： Photodynamic therapy Pancreatic cancer Verteporfin Mitochondria Chemotherapy Gemcitabine

基于人工智能的全自动化一站式CT血流储备分数在冠心病患者中的诊断与预后价值

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Science Bulletin 2024年第10期69卷 1472-1485页

作者：郭邦俊姜孟春郭翔唐春香钟健陆梦洁刘春雨张晓蕾乔红艳周帆许棚棚薛艺郑敏文侯阳王怡宁张佳胤张波张代民徐磊胡秀华周长圣李建华杨志文毛新生卢光明张龙江 department of radiology Jinling HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjing 210002China department of radiology Affiliated Hospital of Jining Medical UniversityJining 272007China department of radiology Xijing HospitalFourth Military Medical UniversityXi’an 733399China department of radiology Shengjing Hospital of China Medical UniversityShenyang 110022China department of radiology Peking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijing 100005China Institute of Diagnostic and Interventional radiology and Department of CardiologyShanghai Jiao Tong University Affiliated Sixth People’s HospitalShanghai 200235China department of radiology Jiangsu Taizhou People’s HospitalTaizhou 225399China department of Cardiology Nanjing First HospitalNanjing Medical UniversityNanjing 210012China department of radiology Beijing Anzhen HospitalCapital Medical UniversityBeijing 100029China department of radiology Sir Run Run Shaw HospitalZhejiang University School of MedicineHangzhou 310020China department of Cardiology Jinling HospitalAffiliated Hospital of Medical SchoolNanjing UniversityNanjing 210002China Shukun(Beijing)Network Technology Co. Ltd.Beijing 102200China

Currently,clinically available coronary CT angiography(CCTA)derived fractional flow reserve(CT-FFR)is time-consuming and *** propose a novel artificial intelligence-based fully-automated,on-site CT-FFR technology,which combines the automated coronary plaque segmentation and luminal extraction model with reduced order 3 dimentional(3D)computational fluid dynamics.A total of 463 consecutive patients with 600 vessels from the updated China CT-FFR study in Cohort 1 undergoing both CCTA and invasive fractional flow reserve(FFR)within 90 d were collected for diagnostic performance *** Cohort 2,a total of 901 chronic coronary syndromes patients with index CT-FFR and clinical outcomes at 3-year follow-up were retrospectively *** Cohort 3,the association between index CT-FFR from triple-rule-out CTA and major adverse cardiac events in patients with acute chest pain from the emergency department was further *** diagnostic accuracy of this CT-FFR in Cohort 1 was 0.82 with an area under the curve of 0.82 on a per-patient *** with the manually dependent CT-FFR techniques,the operation time of this technique was substantially shortened by 3 times and the number of clicks from about 60 to *** CT-FFR technique has a highly successful(>99%)calculation rate and also provides superior prediction value for major adverse cardiac events than CCTA alone both in patients with chronic coronary syndromes and acute chest ***,the novel artificial intelligencebased fully automated,on-site CT-FFR technique can function as an objective and convenient tool for coronary stenosis functional evaluation in the real-world clinical setting.

关键词： Artificial intelligence Coronary CTA CT-derived fractional flow reserve Fully-automated Outcomes

Absence of enhancement in a lesion does not preclude primary central nervous system T-cell lymphoma:A case report

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World Journal of Clinical Cases 2024年第2期12卷 374-382页

作者： Chan-Seop Kim Chi-Hoon Choi Kyung Sik Yi Yook Kim Jisun Lee Chang Gok Woo Young Hun Jeon department of radiology Chungbuk National University HospitalChungbuk National University College of MedicineCheongju-si 28644Chungcheongbuk-doSouth Korea department of Pathology Chungbuk National University HospitalChungbuk National University College of MedicineCheongju-si 28644Chungcheongbuk-doSouth Korea department of radiology Seoul National University HosptialSeoul 03080South Korea

BACKGROUND Primary central nervous system lymphoma(PCNSL)is a non-Hodgkin lymphoma that originates in the central nervous system(CNS)and is exclusively limited to the *** most PCNSLs are diffuse large B-cell lymphomas,primary CNS T-cell lymphomas(PCNSTLs)are *** typically demonstrate some degree of enhancement on contrast-enhanced magnetic resonance imaging(MRI).To the best of our knowledge,non-enhancing PCNSTL has not been reported *** SUMMARY A 69-year-old male presented to the neurology department with complaints of mild cognitive impairment and gradual onset of left lower leg weakness over a span of two *** MRI showed asymmetric T2-hyperintense lesions within the *** enhancement was observed on the contrast-enhanced T1 *** initial diagnosis was neuro-Behçet’s *** high-dose steroid therapy,no alterations in the lesions were identified on initial *** patient’s symptoms deteriorated *** MRI performed one month after the initial scan revealed an increased lesion ***,brain biopsy confirmed the diagnosis of *** patient underwent definitive combined ***,the patient developed bacteremia and died of septic shock approximately three months after *** The absence of enhancement in the lesion did not rule out PCNSTL.A biopsy approach is advisable for pathological confirmation.

关键词： Central nervous system neoplasms Non-Hodgkin Lymphoma T-cell Lymphoma Primary central nervous system lymphoma Primary central nervous system T-cell lymphoma Case report

NIR-triggered on-site NO/ROS/RNS nanoreactor:Cascade-amplified photodynamic/photothermal therapy with local and systemic immune responses activation

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Opto-Electronic Advances 2024年第6期7卷 58-73页

作者： Ziqing Xu Yakun Kang Jie Zhang Jiajia Tang Hanyao Sun Yang Li Doudou He Xuan Sha Yuxia Tang Ziyi Fu Feiyun Wu Shouju Wang Laboratory of Molecular Imaging Department of RadiologyThe First Affiliated Hospital of Nanjing Medical UniversityNanjing 210029China department of Breast Surgery The First Affiliated Hospital of Nanjing Medical UniversityNanjing 210029China department of Women&Children Research Center The First Affiliated HospitalNanjing Medical UniversityNanjing 210029China

Photothermal and photodynamic therapies(PTT/PDT)hold promise for localized tumor treatment,yet their full potential is hampered by limitations such as the hypoxic tumor microenvironment and inadequate systemic immune *** these challenges,we present a novel near-infrared(NIR)-triggered RNS nanoreactor(PBNO-Ce6)to amplify the photodynamic and photothermal therapy efficacy against triple-negative breast cancer(TNBC).The designed PBNOCe6 combines sodium nitroprusside-doped Prussian Blue nanoparticles with Chlorin e6 to enable on-site RNS production through NIR-induced concurrent NO release and ROS *** not only enhances tumor cell eradication but also potentiates local and systemic antitumor immune responses,protecting mice from tumor *** in vivo evaluations revealed that treatment with PBNO-Ce6 leads to a remarkable 2.7-fold increase in cytotoxic T lymphocytes and a 62%decrease in regulatory T cells in comparison to the control PB-Ce6(Prussian Blue nanoparticles loaded with Chlorin e6),marking a substantial improvement over traditional PTT/*** such,the PBNO-Ce6 nanoreactor represents a transformative approach for improving outcomes in TNBC and potentially other malignancies affected by similar barriers.

关键词： photothermal therapy photodynamic therapy nitric oxide reactive nitrogen species triple-negative breast cancer immune response nanoreactor