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Endoscopic characteristics of small intestinal malignant tumors observed by balloon-assisted enteroscopy

World Journal of Gastrointestinal Endoscopy 2019年第5期11卷 373-382页

作者： Tomofumi Horie Naoki Hosoe Kaoru Takabayashi yukie hayashi Kenji JL Limpias Kamiya Ryoichi Miyanaga Shinta Mizuno Kayoko Fukuhara Seiichiro Fukuhara Makoto Naganuma Masayuki Shimoda Haruhiko Ogata Takanori Kanai Division of Gastroenterology and Hepatology Department of Internal MedicineSchool of MedicineKeio University Center for Diagnostic and Therapeutic Endoscopy School of MedicineKeio University Department of Pathology School of MedicineKeio University

BACKGROUND Capsule endoscopy and balloon-assisted enteroscopy(BAE) enable visualization of rare small bowel conditions such as small intestinal malignant ***,details of the endoscopic characteristics of small intestinal malignant tumors are still *** To elucidate the endoscopic characteristics of small intestinal malignant *** From March 2005 to February 2017,1329 BAE procedures were performed at Keio University Hospital. Of these procedures,malignant tumors were classified into three groups,Group 1: epithelial tumors including primary small intestinal cancer,metastatic small intestinal cancer,and direct small intestinal invasion by an adjacent organ cancer; Group 2: small intestinal malignant lymphoma; and Group 3,small intestinal gastrointestinal stromal tumors. We systematically collected clinical and endoscopic data from patients' medical records to determine the endoscopic characteristics for each *** The number of patients in each group was 16(Group 1),23(Group 2),and 6(Group 3),and the percentage of solitary tumors was 100%,43.5%,and 100%,respectively(P < 0.001). Patients' clinical background parameters including age,symptoms,and laboratory data were not significantly different between the groups. Seventy-five percent of epithelial tumors(Group 1) were located in the upper small intestine(duodenum and ileum),and approximately 70% of gastrointestinal stromal tumors(Group 3) were located in the jejunum. Solitary protruding or mass-type tumors were not seen in malignant lymphoma(Group2)(P < 0.001). Stenosis was seen more often in Group 1,(68.8%,27.3%,and 0%;Group 1,2,and 3,respectively; P = 0.004). Enlarged white villi inside and/or surrounding the tumor were seen in 12.5%,54.5%,and 0% in Group 1,2,and 3,respectively(P = 0.001).CONCLUSION The differential diagnosis of small intestinal malignant tumors could be tentatively made based on BAE findings.

关键词： Small intestine Malignant Tumor Double balloon enteroscopy Balloon enteroscopy Video capsule endoscopy Endoscopy

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Endoscopic removal of foreign bodies:A retrospective study in Japan

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World Journal of Gastrointestinal Endoscopy 2020年第1期12卷 33-41页

作者： Kenji JL Limpias Kamiya Naoki Hosoe Kaoru Takabayashi yukie hayashi Xi Sun Ryoichi Miyanaga Kayoko Fukuhara Seiichiro Fukuhara Makoto Naganuma Atsushi Nakayama Motohiko Kato Tadateru Maehata Rieko Nakamura Koichi Ueno Junichi Sasaki Yuko Kitagawa Naohisa Yahagi Haruhiko Ogata Takanori Kanai Division of Gastroenterology and Hepatology Department of Internal MedicineKeio University School of MedicineTokyo 160-8582Japan Center for Diagnostic and Therapeutic Endoscopy Keio University School of MedicineTokyo 160-8582Japan Department of Gastroenterology and Hepatology Chinese PLA General HospitalBeijing 100853China Division of Research and Development for Minimally Invasive Treatment Cancer CenterKeio University School of MedicineTokyo 160-8582Japan Department of Surgery Keio University School of MedicineTokyo 160-8582Japan Department of Emergency and Critical Care Medicine Keio University School of MedicineTokyo 160-8582Japan

BACKGROUND The ingestion of foreign bodies(FBs)and food bolus impaction(FBI)in the digestive tract are commonly encountered clinical *** to handle such problems continue to evolve offering advantages,such as the avoidance of surgery,reduced cost,improved visualization,reduced morbidity,and high removal success ***,to date,no studies have evaluated the endoscopic management of FBs in *** To elucidate level of safety and efficacy in the endoscopic management of FBs and *** A total of 215 procedures were performed at Keio University Hospital between November 2007 and August *** were collected from medical charts,and endoscopic details were collected from an endoscopic reporting *** performed with a flexible gastrointestinal endoscope were only taken into *** who underwent a technique involving FB or FBI from the digestive tract were only *** on patient sex,patient age,outpatient,inpatient,FB type,FB location,procedure time,procedure type,removal device type,success,and technical complications were reviewed and analyzed *** Among the 215 procedures,136(63.3%)were performed in old adults(≥60 years),180(83.7%)procedures were performed in *** most common type of FBs were press-through-pack(PTP)medications[72(33.5%)cases],FBI[47(21.9%)],Anisakis parasite(AP)[41(19.1%)cases].Most FBs were located in the esophagus[130(60.5%)cases]followed by the stomach[68(31.6%)cases].AP was commonly found in the stomach[39(57.4%)cases],and it was removed using biopsy forceps in 97.5%of the *** most common FBs according to anatomical location were PTP medications(40%)and dental prostheses(DP)(40%)in the laryngopharynx,PTP(48.5%)in the esophagus,AP(57.4%)in the stomach,DP(37.5%)in the small intestine and video capsule endoscopy device(75%)in the colon.A transparent cap with grasping forceps was the most commonly used device[82(38.1%)cases].The success rate of the procedure was

关键词： Anisakis parasite Endoscopic removal Food bolus impaction Foreign body Grasping forceps

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