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내시경초음파 유도하 미세침 흡인생검으로 진단된 위점막하 종양 유사 부비장
안지용 ( Ji Yong Ahn ),정훈용 ( Hwoon Yong Jung ),김도훈 ( Do Hoon Kim ),최기돈 ( Kee Don Choi ),송호준 ( Ho June Song ),이진혁 ( Gin Hyug Lee ),김진호 ( Jin Ho Kim ),황희상 ( Hee Sang Hwang ) 대한소화기학회 2012 대한소화기학회지 Vol.59 No.6
Accessory spleen can be mistaken as a gastric subepithelial mass, and may not be differentiated in CT or endoscopic ultrasonography (EUS). A gastric subepithelial mass was detected on routine endoscopy in a 39-year old woman with history of splenectomy. In subsequent CT and EUS, the subepithelial mass was located on the fourth layer of the stomach. To make a definite diagnosis, EUS-guided fine needle aspiration (FNA) was performed, and a splenic tissue was demonstrated in histologic examination. EUS-guided FNA can be beneficial in the diagnosis of accessory spleen which mimics a gastric subepithelial mass. (Korean J Gastroenterol 2012;59:433-436)
안지용 ( Ji Yong Ahn ) 대한소화기학회 2020 대한소화기학회지 Vol.76 No.5
The Korean guidelines for the Clinical Guidelines for Drug-related Peptic Ulcer were revised under the Korean College of Helicobacter and Upper Gastrointestinal Research in 2020. In these revised guidelines, treatment for Helicobacter pylori infections is recommended in patients with a history of peptic ulcers and are receiving long-term low-dose aspirin therapy to prevent peptic ulcers and complications. The maintenance of anti-ulcer drugs, such as proton pump inhibitors, is also recommended after H. pylori eradication if patients require other antiplatelet agents or anticoagulants. Regardless of H. pylori eradication, when patients with a history of peptic ulcer take long-term low dose aspirin, the concomitant use of a proton pump inhibitor according to the severity of the peptic ulcer is recommended. (Korean J Gastroenterol 2020;76:238-241)
한우연,이호승,김원경,안지용,Han, Woo-Yeon,Lee, Ho-Seong,Kim, Won-Kyeong,Ahn, Ji-Yong 대한족부족관절학회 2012 대한족부족관절학회지 Vol.16 No.3
Purpose: There are various methods proposed for the evaluation of the hindfoot alignment. However, due to structural calcaneus variances between patients, it is hard to assess this alignment definitively. Thus, this study proposes a new method for evaluating of the hindfoot alignment and its comparisons to the existing current methods. Materials and Methods: This study includes simple weight bearing hindfoot coronal view radiographs of 120 patients, taken between the time period of March 2008 to November 2009. Among the 120 patients, there was a 1:1 ratio of male to female with an average age of 40. The newly proposed method for evaluating this alignment is to draw a moment arm from the point where the sustentaculum tali meets the medial calcaneus border to the most prominent aspect of the lateral process of the calcaneal tuberosity. The angle produced via the intersection of this moment arm to the mid-longitudinal axis of the tibia is found and used to evaluate the hindfoot alignment. The inter and intra-observer reliability was evaluated using the coefficient of intraclass correlation. This study also investigates the comparisons between the newly proposed method to the traditionally used Saltzman et al hindfoot alignment evaluating technique. Results: The newly proposed method has higher inter and intra-observer reliability than the existing traditional Saltzman et al technique. Conclusion: This new method is recommended over the traditionally used Saltzman et al technique as it has a stronger confidence level and is appropriate for assessing hindfoot alignment in simple radiographs.
서준영 ( Jun-young Seo ),안지용 ( Ji Yong Ahn ) 대한내과학회 2023 대한내과학회지 Vol.98 No.3
It is important to evaluate Helicobacter pylori (H. pylori) infection based on endoscopic results because numerous studies have shown a link between H. pylori infection and upper gastrointestinal conditions, such as gastric cancer. The association between H. pylori infection and gastritis is fully described in the Kyoto classification of gastritis. Typical endoscopic findings in the absence of H. pylori infection are a regular arrangement of collecting venules, fundic gland polyps, red streaks, and other similar features. By contrast, typical endoscopic findings in individuals with active H. pylori infection include diffuse mucosal erythema, atrophy, intestinal metaplasia, inflated or tortuous folds, discharge of sticky mucus, mucosal nodularity, foveolar hyperplastic polyps, and/or xanthomas. Patchy mucosal redness and map-like mucosal redness are typical endoscopic findings in previously infected people. Because of its straightforward application in standard clinical practice, this categorization can reflect the risk of stomach cancer and be useful for both primary care physicians and experienced endoscopists. (Korean J Med 2023;98:117-124)
가족샘종폴립증에 대한 전대장직장절제술 후 회장낭에 발생한 다발성 샘종 2예
강정민 ( Jeong Min Kang ),변정식 ( Jeong Sik Byeon ),박종하 ( Jong Ha Park ),안지용 ( Ji Yong Ahn ),고옥배 ( Ock Bae Ko ),명승재 ( Seung Jae Myung ),양석균 ( Suk Kyun Yang ),김진호 ( Jin Ho Kim ) 대한소화기학회 2010 대한소화기학회지 Vol.56 No.1
Familial adenomatous polyposis (FAP) is an inherited disease characterized by the development of hundreds of colorectal adenomas, leading to a 100% lifetime risk of colorectal cancer. A prophylactic colectomy is recommended for patients with FAP to prevent colorectal cancer. Four surgical strategies are available for patients with FAP: proctocolectomy with permanent ileostomy, colectomy with ileorectal anastomosis, proctocolectomy with Koch`s pouch continent ileostomy (Koch), and restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA). Koch and IPAA, which make ileal pouch, have theoretical advantage of the elimination of the risk of colorectal cancer and adenomas and good functional outcome of reduced defecation frequency. However, recent reports have shown frequent development of adenomas and carcinomas in the ileal pouch after Koch or IPAA. We experienced 2 cases of multiple pouch adenomas after pouch surgery in FAP patients. Both patients were treated with endoscopic mucosal resection without complications. We report these 2 cases with a review of literatures. (Korean J Gastroenterol 2010;56:49-53)