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최규용,정인식,이영석,김부성,최명규,한남익,최종영,한석원 대한소화기내시경학회 1994 Clinical Endoscopy Vol.14 No.3
Upper gastrointestinal tract angiodysplasia is rare, but it is an important cause of upper gastrointestinal bleeding. We experienced a case of hemorrhagic angiodysplasia of duodenal bulb in a patient under chronic hemodialysis due to chronic renal failure. Repeated upper GI endoscopy revealed an angiodysplasia at the posterior wall of the duodenal bulb. It was successfully treated by bipolar electrocoagulation. We report a case of angiodysplasia in chronic renal failure patient with the review of the literatures.
Helicobacter pylori에 감염된 십이지장궤양과 만성 위염에서 장형화생 빈도와 혈중 Pepsinogen치의 비교
최규용,정인식,이강문,최명규,박두호,한석원,윤종구,이동수,김성수,김상우,양영상 대한소화기학회 2000 대한소화기학회지 Vol.36 No.2
Background/Aims: The aim of this study was to investigate the differences in the frequency of intestinal metaplasia, its subtypes, and serum pepsinogen levels between Helicobacter pylori (H. pylori)-infected patients with duodenal ulcer and patients with chronic gastritis. Methods: We evaluated the area of atrophic change, frequency of intestinal metaplasia and subtypes, serum pepsinogen (PG) levels, and seropositivity of CagA and VacA in 25 H. pylori-infected patients with duodenal ulcer and 25 patients with chronic gastritis. Results: Eight percent of patients with duodenal ulcer showed open type, whereas 52% of patients with chronic gastritis showed it (p=0.001). The intestinal metaplasia was less frequently observed in patients with duodenal ulcer (36% vs. 68%, p$lt;0.005). However, there was no difference in frequency of intestinal metaplasia subtypes between the two groups. The patients with duodenal ulcer showed significantly high serum PG I/II ratio (3.3±1.1 vs. 2.2±0.8, p$lt;0.001). There was no differen in the seropositivity of CagA and VacA between the two groups. Conclusions: H. pylori-infected patients with duodenal ulcer have the significantly smaller area of atrophic change and lower frequency of intestinal metaplasia than patients with chronic gastritis. Serum PG I/II ratio which is significantly high in patients with duodenal ulcer reflects the degree of the atrophic change of the gastric mucosa, but CagA and VacA do not.
내시경적 방법으로 교체된 Buried Bumper Syndrome 1예
최규용,김진일,정인식,김성수,김윤태,황인식,김혜원,선희식,이창돈,안창혁,한석원,채현석,장정원,방춘상 대한소화기내시경학회 2001 Clinical Endoscopy Vol.22 No.3
Percutaneous endoscopic gastrostomy (PEG) is used for nutritional support to the patients who cannot maintain the adequate oral intake. Compared with operative gastrostomy, PEG is a safe, rapid, and less expensive technique. Among several complications, buried bumper syndrome is a late complication in which internal bumper erodes into the gastric wall or migrates into the abdominal wall due to improper compression to the gastric wall. We here report a patient with peritubular leakage, resistance of tube feeding, and abdominal pain which were developed 13 months after percutaneous endoscopic gastrostomy. On endoscopic examination, the gastrostomy lumen could not be found. The gastrostomy tube was replaced successfully to new one with single procedure endoscopic technique. No complication was occurred and the function of tube has been well preserved.
최규용,김진일,이대훈,한석원,윤종구,송호진,성용직,오수혁,장우임,김병욱,박수헌,선희식 대한소화기학회 2001 대한소화기학회지 Vol.37 No.1
Metastatic cancer of the umbilicus is very rare and is called Sister Mary Joseph's nodule. The most common primary site of umbilical metastasis is an adenocarcinoma of the stomach and the incidence of pancreatic carcinoma is less than 10% of umbilical metastases. Metastasis to the umbilicus usually presents as diffuse spreading of primary cancer or recurrence after treatment of primary cancer, resulting in inoperability and poor prognosis. However, umbilical metastasis presents rarely as a first sign of primary cancer and leads to its diagnosis. We report a case of umbilical metastasis as a presenting sign of pancreatic adenocarcinoma. The patient was a 38-year-old woman who had a nodule in the umbilicus and suffered from abdominal pain around the umbilicus. Histologic findings of the umbilical nodule showed poorly differentiated adenocarcinoma. Abdominal computed tomography showed a pancreatic tail mass. Ultrasonography-guided aspiration biopsy of the pancreas also revealed poorly differentiated adenocarcinoma almost identical to the pathologic finding of the umbilicus.
최규용,김부성,이영석,선희식,한석원,한명철,양일권,장은덕 대한소화기내시경학회 1987 Clinical Endoscopy Vol.7 No.1
Benign tumors of the esophagus occur rarely as compared with the incidence of carcinomas. Among the benign tumors of the esophagus such as leiomyoma, lipoma, hemangioma, papilioma. polyp, cystetc. leiomyoma is the most common, although less than 10 percents of leiomyomas of the gastrointestinal tract are found in the esophagus. Most of leiomyomas of the esophagus present as solitary lesions but multiple tumors occur in about 4 percents of cases. Leiomyomas of the esophagus are diagnosed by thorough clinical evaluation, esophagogram and upper gastrofiberscopic examination but histological confirmation requires surgical or necropsy specimens. Occasionally gastrofiberscopic polypectomized specimens are used. We report one case of multiple leiomyomas of the esophagus located in between 25 cm and 40 cm distance from the incisor in a 38-year-old man who complained of vague substernal discomfort for about 10 years. Gastrofiberscopic polypectomized specimen was used for preoperative histological confirmation. The pathologic examination of the specimen showed leiomyoma of the esophagus.