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Large cavernous hemangioma in the cecum treated by laparoscopic ileocecal resection

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World Journal of Gastroenterology 2009年第26期15卷 3319-3321页

作者： Jung Wook Huh Sang Hyuk Cho Jae Hyuk Lee Hyeong Rok Kim Department of Surgery Chonnam National University Hwasun Hospital and Medical School Department of Pathology Chonnam National University Hwasun Hospital and Medical School

A cavernous hemangioma of the cecum is a rare vascular malformation but is clinically important because of the possibility of massive *** report a case of a large cavernous hemangioma with pericolic inf iltration in t... 详细信息

关键词： Cavernous hemangioma Cecum Laparoscopic surgery

Evaluation of recurrence in gastric carcinoma: Comparison of contrast-enhanced computed tomography and positron emission tomography/computed tomography

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World Journal of Gastroenterology 2017年第35期23卷 6448-6456页

作者： Jong Hyeon Kim Suk Hee Heo Jin Woong Kim Sang Soo Shin Jung Jun Min Seong Young Kwon Yong Yeon Jeong Heoung Keun Kang Department of Radiology Chonnam National University Medical SchoolChonnam National University Hwasun Hospital Department of Radiology Chonnam National University Medical SchoolChonnam National University Hospital Department of Nuclear Medicine Chonnam National University Medical SchoolChonnam National University Hwasun Hostpital

AIM To compare the value of contrast-enhanced abdominal computed tomography(CT) and fluorodeoxyglucose(FDG) positron emission tomography/computed tomography(PET/CT) for detecting gastric carcinoma *** We retrospectively examined data from 2475 patients who underwent both contrast-enhanced abdominal CT and FDG PET/CT for the surveillance of gastric carcinoma curative resection. Patients had an interval of less than 1 mo between their CT and PET/CT scans. Sixty patients who had recurrence were enrolled. Among 1896 patients who did not have recurrence, 60 were selected by simple random sampling. All CT and PET/CT images were reviewed retrospectively by two reviewers blinded to all clinical and pathologic information except curative resection due to gastric carcinoma. RESULTS The pathological stage of the recurrence group was statistically significantly higher than that of the control group(P < 0.001). In the 60 patients who had recurrence, there were 79 recurrent lesions. Fortyfour patients had only one location of recurrence, 13 patients had two locations, and 3 patients had three. In the detection of patient-based overall recurrence, no statistically significant differences existed between the two modalities(P = 0.096). However, for peritoneal carcinomatosis, CT had a statistically significantly higher sensitivity compared to PET/CT(96% vs 50%, P = 0.001). Adenocarcinoma was the most common type of gastric carcinoma. On the pathology-based analysis, CT also had a statistically significantly higher sensitivity compared to PET/CT(98% vs 80%, P = 0.035).CONCLUSION Contrast-enhanced CT was superior to PET/CT in the detection of peritoneal carcinomatosis and pathologic type of adenocarcinoma.

关键词： Gastric carcinoma Surgery Contrastenhanced abdominal computed tomography Fluorodeoxyglucose positron emission tomograph/computed tomography Surveillance Recurrence

TFE3-expressing malignant perivascular epithelioid cell tumor of the mesentery:A case report and review of literature

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World Journal of Clinical Cases 2020年第18期8卷 4207-4214页

作者： Nah Ihm Kim Ji Shin Lee Yoo Duk Choi U Chul Ju Jong Hee Nam Department of Pathology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Pathology Chonnam National University Hwasun Hospital and Medical SchoolHwasun 58128South Korea Department of Obstetrics and Gynecology Chonnam National University Hwasun Hospital and Medical SchoolHwasun 58128South Korea

BACKGROUND Perivascular epithelioid cell tumor(PEComa)is a rare mesenchymal tumor that exhibits an epithelioid and spindle cell *** tumor is characterized by immunoreactivity for melanocytic and myogenic markers but can be misdiagnosed as more common tumors with similar characteristics,including gastrointestinal stroma tumors or ***,a subset of PEComas has been reported to harbor a transcription factor binding to TFE3 ***,we report a rare case of TFE3-expressing malignant PEComa arising from the *** SUMMARY A 50-year-old woman presented with abdominal discomfort for 3 *** of laboratory tests were all within the normal ranges,and the patient had no notable medical *** resonance imaging revealed a large tumor on the right side of the pelvic floor,which was originally suspected to be a primary ovarian ***,during surgery,the tumor was revealed to have originated from the ***,the tumor was composed of bundles of spindle cells and sheets of epithelioid *** coagulative necrosis and numerous mitotic figures were *** revealed that the tumor cells were positive for smooth muscle actin,HMB-45,and TFE3 *** involvement of the rectal serosa was identified,leading to a final diagnosis of malignant PEComa of the *** resection was followed by adjuvant *** recurrence or metastasis was observed over a 6-month follow-up *** Malignant PEComa of the mesentery is extremely rare and should be distinguished from morphological mimics through differential diagnosis and immunohistochemistry.

关键词： Perivascular epithelioid cell tumor TFE3 Differential diagnosis Mesentery Histology Case report

Glutathione-S-transferase (GSTM1,GSTT1) and the risk of gastrointestinal cancer in a Korean population

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World Journal of Gastroenterology 2009年第45期15卷 5716-5721页

作者： Jin-Mei Piao Min-Ho Shin Sun-Seog Kweon Hee Nam Kim Jin-Su Choi Woo-Kyun Bae Hyun-Jeong Shim Hyeong-Rok Kim Young-Kyu Park Yoo-Duk Choi Soo-Hyun Kim Department of Preventive Medicine Chonnam National University Medical School Gwangju 501-746 South Korea Jeonnam Regional Cancer Center Chonnam National University Hwasun Hospital Hwasun Jeollanam-do 519-809 South Korea Genome Research Center for Hematopoietic Diseases Chonnam National University Hwasun Hospital Hwasun Jeollanam-do 519-809 South Korea Department of Hematology-Oncology Chonnam National University Hwasun Hospital Hwasun Jeollanam-do 519-809 South Korea Department of Surgery Chonnam National University Hwasun Hospital Hwasun Jeollanam-do 519-809 South Korea Department of Pathology Chonnam National University Medical School Gwangju 501-746 South Korea Department of Laboratory Medicine Chormam National University Medical School Gwangju 501-746 South Korea

AIM： To evaluate the association of glutathione S-trans-ferase mu （GSTM1） and glutathione S-transferase theta （GSTT1） null genotypes with the risk of gastric cancer （GC） and colorectal cancer （CRC） in a South Korean population. METHODS： We conducted a population-based, large- scale case-control study including 2213 GCs, 1829 CRCs, and 1699 controls. Null and non-null genotypes of GSTM1 and GSI-F1 were determined using realtime PCR. RESULTS： The null genotypes of GSTM1 and GSTT1 were not significantly associated with elevated risk of gastric （OR = 1.070, 95% CI = 0.935-1.224; OR = 1.101, 95% CI = 0.963-1.259, respectively） or colorectal cancer （OR = 1.065, 95% CI = 0.923-1.228; OR = 1.041, 95% CI = 0.903-1.200, respectively）. The frequency of the combined null GST genotype was not different between the two cancer groups and controls. Moreover, smoking, drinking, and age did not modify the association between these genotypes and the risk of gastric or colorectal cancer. CONCLUSION： GSTM1 and GSCI-1 null genotypes were not associated with increased risk of GC or CRC in Koreans.

关键词： Glutathione S-transferase mu Glutathione S-transferase theta Gastric cancer Colorectal cancer South Korean population

Pancreatic arteriovenous malformation treated with transcatheter arterial embolization:Two case reports and review of literature

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World Journal of Clinical Cases 2023年第28期11卷 6920-6930页

作者： Sang Hoon Shin Chol Kyoon Cho Sung Yeol Yu Department of Surgery Chonnam National University Hwasun HospitalHwasun 58128Jeollanam-doSouth Korea Department of Surgery Chonnam National University Medical SchoolChonnam National University Hwasun HospitalHwasun 58128Jeollanam-doSouth Korea Department of Surgery Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Various treatment methods are available for the treatment of pancreatic arteriovenous malformation(P-AVM);however,there are no established treatment options for asymptomatic *** SUMMARY A 47-year-old and a 50-year-old male patients sought treatment for P-AVM in the pancreas,which was incidentally detected during routine abdominal computed tomography and magnetic resonance imaging conducted as part of a health *** underwent transcatheter arterial embolization(TAE),and over the course of a 9-year follow-up period,the AVM did not worsen and was *** TAE can be considered as an alternative treatment option for P-AVM in selective cases where patients are asymptomatic or have a high surgical risk.

关键词： Pancreatic arteriovenous malformation Transcatheter arterial embolization Surgical treatment Asymptomatic Angiography Case report

Primary duodenal dedifferentiated liposarcoma:A case report and literature review

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World Journal of Clinical Cases 2022年第6期10卷 2007-2014页

作者： Nah Ihm Kim Ji Shin Lee Chan Choi Jong Hee Nam Yoo Duk Choi Hee Joon Kim Sung Sun Kim Department of Pathology Chonnam National University HospitalGwangju 61469South Korea Department of Pathology Chonnam National University Hwasun HospitalHwasun 58128South Korea Department of Surgery Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Dedifferentiated liposarcoma(DDLPS)is an extremely rare neoplasm that exhibits various *** tumor is characterized by immunoreactivity to MDM2 and CDK4 and can be confirmed by detecting MDM2 amplification via fluorescence in situ hybridization(FISH).Herein,we report an unusual case of DDLPS arising from the *** SUMMARY A 64-year-old man presented with repeated abdominal pain and weight *** studies revealed a mass of the duodenum involving the *** patient was treated with pylorus-preserving ***,the tumor showed a high-grade *** demonstrated that the tumor cells were positive for MDM2 and CDK4 ***2 amplification was detected via FISH,leading to the final diagnosis of *** surgery,the patient was treated in the intensive care unit due to peritonitis,and died 60 d after *** To the best of the authors’knowledge,this is the first case of primary duodenal DDLPS in Korea and the third case in the English-language *** must be taken not to misdiagnose DDLPS as another high-grade *** should be in the differential diagnosis list.

关键词： Liposarcoma Primary Small bowel Duodenum Immunohistochemistry Case report

Intravoxel incoherent motion diffusion-weighted imaging for monitoring chemotherapeutic efficacy in gastric cancer

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World Journal of Gastroenterology 2016年第24期22卷 5520-5531页

作者： Xiao-Li Song Heoung Keun Kang Gwang Woo Jeong Kyu Youn Ahn Yong Yeon Jeong Yang Joon Kang Hye Jung Cho Chung Man Moon Department of Radiology Chonnam National University Medical School Chonnam National University Hwasun Hospital Department of Radiology Chonnam National University Medical School Chonnam National University Hospital Department of Anatomy Chonnam National University Medical School

AIM: To assess intravoxel incoherent motion diffusion-weighted imaging (IVIM-DWI) for monitoring early efficacy of chemotherapy in a human gastric cancer mouse ***: IVIM-DWI was performed with 12 b-values (0-800 s/mm2) in 25 human gastric cancer-bearing nude mice at baseline (day 0), and then they were randomly divided into control and 1-, 3-, 5- and 7-d treatment groups (n = 5 per group). The control group underwent longitudinal MRI scans at days 1, 3, 5 and 7, and the treatment groups underwent subsequent MRI scans after a specified 5-fluorouracil/calcium folinate treatment. Together with tumor volumes (TV), the apparent diffusion coefficient (ADC) and IVIM parameters [true water molecular diffusion coefficient (D), perfusion fraction (f) and pseudo-related diffusion coefficient (D*)] were measured. The differences in those parameters from baseline to each measurement (ΔTV%, ΔADC%, ΔD%, Δf% and ΔD*%) were calculated. After image acquisition, tumor necrosis, microvessel density (MVD) and cellular apoptosis were evaluated by hematoxylin-eosin (HE), CD31 and terminal-deoxynucleotidyl transferase mediated nick end labeling (TUNEL) staining respectively, to confirm the imaging findings. Mann-Whitney test and Spearman’s correlation coefficient analysis were ***: The observed relative volume increase (ΔTV%) in the treatment group were significantly smaller than those in the control group at day 5 (ΔTVtreatment% = 19.63% ± 3.01% and ΔTVcontrol% = 83.60% ± 14.87%, P = 0.008) and day 7 (ΔTVtreatment% = 29.07% ± 10.01% and ΔTVcontrol% = 177.06% ± 63.00%, P = 0.008). The difference in ΔTV% between the treatment and the control groups was not significant at days 1 and 3 after a short duration of treatment. Increases in ADC in the treatment group (ΔADC%

关键词： Gastric cancer Microvessel density Nude mouse model Intravoxel incoherent motion diffusion-weighted imaging Terminal-deoxynucleoitidyl transferase mediated nick end labeling

Gut microbiome composition can predict the response to nivolumab in advanced hepatocellular carcinoma patients

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World Journal of Gastroenterology 2021年第42期27卷 7340-7349页

作者： Min-Woo Chung Moon-Ju Kim Eun Jeong Won Yu Jeong Lee Yong-Woon Yun Sung Bum Cho Young-Eun Joo Jun-Eul Hwang Woo Kyun Bae Ik-Joo Chung Myung Geun Shin Jong Hee Shin Department of Internal Medicine Chonnam National University Hospital and College of MedicineHwasun 58128Jeollanam-doSouth Korea Department of Parasitology and Tropical Medicine Chonnam National University Medical SchoolHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University Hwasun HospitalHwasun 58128Jeollanam-doSouth Korea Department of Preventive Medicine Chonnam National University Medical SchoolHwasun-eupHwasun 58128Jeollanam-doSouth Korea Department of Laboratory Medicine Chonnam National University HospitalGwangju 61469South Korea

BACKGROUND Immunotherapy has revolutionized the clinical outcomes of intractable cancer *** is known about the intestinal nonpathogenic bacterial composition of hepatocellular carcinoma(HCC)patients treated by *** To determine whether there is a correlation between gut bacterial composition and prognosis in HCC *** From September 2019 to March 2020,we prospectively collected fecal samples and examined the gut microbiome of 8 advanced HCC patients treated with nivolumab as a second-or third-line systemic *** samples were collected before the start of *** samples of patients with progression during treatment were collected at the time of progression,and fecal samples of patients who showed good response to nivolumab were collected after 5-7 mo as *** data from 16S ribosomal RNA sequencing were analyzed using CLC Genomics *** data were analyzed according to therapeutic *** All 8 patients were male,of which 6 had underlying chronic hepatitis B.A higher Shannon index was found in the responders than in the non-responders after nivolumab therapy(P=0.036).The unweighted beta diversity analysis also showed that the overall bacterial community structure and phylogenetic diversity were clearly distinguished according to therapeutic *** was no significant difference in the diversity or composition of the patient gut microbiome according to the immunotherapy *** taxa specific to therapeutic response were designated as follows:Dialister pneumosintes,Escherichia coli,Lactobacillus reteri,Streptococcus mutans,Enterococcus faecium,Streptococcus gordonii,Veillonella atypica,Granulicatella sp.,and Trchuris trichiura for the nonresponders;Citrobacter freundii,Azospirillum *** Enterococcus durans for the *** note,a skewed Firmicutes/Bacteroidetes ratio and a low Prevotella/Bacteroides ratio can serve as predictive markers of non-response,wh

关键词： Microbiome Nivolumab Firmicutes/Bacteroidetes ratio Prevotella/Bacteroides ratio Hepatocellular carcinoma Prognosis

Acute respiratory distress syndrome and severe pneumonitis after atezolizumab plus bevacizumab for hepatocellular carcinoma treatment:A case report

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World Journal of Gastrointestinal Oncology 2023年第5期15卷 892-901页

作者： Su Hyeon Cho Ga Ram You Chan Park Sang-Geon Cho Jong Eun Lee Sung Kyu Choi Sung Bum Cho Jae Hyun Yoon Department of Gastroenterology and Hepatology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Gastroenterology and Hepatology Hwasun Chonnam National University Hospital and Medical SchoolHwasun 58128South Korea Department of Radiology Chonnam National University Hospital and Medical SchoolGwangju 61469South Korea Department of Nuclear Medicine Chonnam National University HospitalHwasun 58128South Korea

BACKGROUND Hepatocellular carcinoma(HCC)is one of the most common cancers worldwide and has a high ***,the treatment options for advanced HCC are limited to tyrosine kinase inhibitors,such as sorafenib and *** previous regimens have an insufficient efficacy,the combination therapy of atezolizumab and bevacizumab(Ate/Bev)has been investigated,which showed an improvement in progression-free and overall ***,the adverse events of this combination therapy in advanced HCC have not been ***,we report a novel case of an unresectable HCC and acute respiratory distress syndrome(ARDS)after a combination therapy of Ate/*** SUMMARY An 82-year-old male visited our outpatient clinic for an incidentally detected liver *** magnetic resonance imaging and enhanced chest computed tomography(CT)were performed,which showed arterial hyperenhancement with washout in delayed phase suggesting HCC,and a well-defined metastatic solid nodule,respectively.F-18 fluorodeoxyglucose positron emission tomography(PET)-CT exhibited multiple hypermetabolic lesions in the iliac bone,lumbar vertebrae,and *** of the high burden of the intrahepatic tumor,transarterial radioembolization was initially performed;after 37 d,a combination therapy of Ate/Bev was *** patient visited the emergency department three days after Ate/Bev treatment complaining of *** was diagnosed with severe pneumonitis based on *** administering oxygen via a high-flow nasal cannula,the P/F ratio was only 74;therefore,the patient was diagnosed with ARDS based on the overall examination *** tidal volume with high positive end-expiratory pressure,sedative agents combined with a neuromuscular blocker,and a systemic steroid were promptly applied to manage the ***,the patient did not recover from the hypoxia and expired 31 h after being *** Clinicians should be aware of severe pneumonitis due to the immune-

关键词： Hepatocellular carcinoma Systemic therapy Adverse events Pneumonitis Atezolizumab Acute respiratory distress syndrome