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Background/Aims: Pre-operative endoscopic clipping for determining the resection line in patients with early gastric cancer has been used safely, and its efficacy has been demonstrated. However, the optimal timing of endoscopic clipping for determining the resection line in early gastric cancer patients undergoing laparoscopy-assisted distal gastrectomy has not been investigated. Methods: A retrospective analysis of 92 patients with early gastric cancer who underwent gastric resection after endoscopic clipping at Inje University Sanggye Paik Hospital (Seoul, Korea) was performed. We analyzed the clinical and endoscopic features of patients, number of clips, time from clipping to surgery, and number of patients showing detachment of clips from the gastric wall before surgery. Patients were categorized according to the following two groups: group A included patients whose clips were applied within one day before surgery and group B included patients whose clips were applied more than one day before surgery. Results: Of the 92 patients, 56 were included in group A and 36 we re included in group B. In 11 patients (12.0%, five in group A and six in group B, p=0.329), the clips were detached from the gastric wall before surgery. The mean time from clipping to surgery did not differ significantly between the detached and non-detached groups (11 patients, mean 4.6±4.6 days vs. 81 patients, mean 3.0±4.0 days, p=0.227). Conclusions: The timing of endoscopic clipping for localization of tumors in early gastric cancer patients undergoing gastrectomy is not important for determining the resection line. (Korean J Gastroenterol 2014;64:76-80)

Hepatic peribiliary cysts (HPCs) are characterized by cystic dilatations of the peribiliary glands located throughout the branches of the biliary systems. Specifically, they are mainly located along the hepatic hilum and major portal tracts. The natural history and prognosis of HPCs are uncertain. In fact, almost all HPCs have been discovered incidentally during radiological examination or autopsy, and they are considered to be clinically harmless. Recently, several cases of HPCs associated with obstructive jaundice or liver failure were reported in patients with pre-existing liver disease in several studies. However, until now there have been no reports of such a case in Korea. Herein, we report a case of HPCs that show a disease course with a poor prognosis. These HPCs developed in a 47-year-old man with progressive alcoholic liver cirrhosis.

Oral 5-aminosalicylic acid (5-ASA) has been known as a first-choice drug for ulcerative colitis. However, hypersensitivity reactions, including pancreatitis, hepatitis, and skin rash, have been reported with 5-ASA. Topical formulations of 5-ASA like suppositories have been rarely reported to induce adverse reactions because of their limited absorption rate. We recently experienced a case of acute pancreatitis caused by 5-ASA suppositories in a patient with ulcerative colitis. A 26-year-old male was admitted with abdominal pain and diagnosed as ulcerative colitis. Acute pancreatitis occurred soon after 24 hours of treatment with oral mesalazine. Drug-induced pancreatitis was suspected and administration of mesalazine was discontinued. Then 5-ASA suppositories were started instead of oral mesalazine. Twenty-four hours after taking 5-ASA suppositories, he experienced severe abdominal pain, fever, and elevation of amylase levels. The suppositories were immediately stopped and symptoms resolved over next 48 hours. Herein, we suggest that, in patients treated with 5-ASA suppositories who complain of severe abdominal pain, drug-induced pancreatitis should be suspected.

Intussusception is primarily a disease of children, and is relatively rare in adults. Unlike childhood intussusception, adult intussusception has an identifiable leading lesion such as malignant or benign neoplasm. However, intussusception caused by hemangioma is very rare. There were few cases of small bowel intussusception caused by hemangioma in adults, but those reports were presented with abdominal pain. This report describes a 65-year-old female who suffered from small bowel intussusception caused by hemangioma presenting with intestinal bleeding. Upper gastrointestinal endoscopy and colonoscopy were performed, but bleeding focus was not found. Abdominal computed tomography showed the target sign of small bowel with a leading point of mass. This mass turned out to be a hemangioma after the small bowel resection. Therefore, small bowel intussusception by hemangioma should be also considered as a bleeding focus when an adult patient presented intestinal bleeding without bleeding focus in the stomach and colon. Herein we report a case of small bowel intussusception caused by hemangioma presenting with intestinal bleeding.

Due to widespread use of computerized tomography (CT) scan to examine patients with variable disease or complaints, detection of incidental or unsuspected gastrointestinal abnormalities are not uncommon. Clinical significance of incidentally detected bowel wall thickening (BWT) on abdominal CT scan is uncertain at present. Despite the necessity for the clinical guidelines describing the evaluation of incidental bowel wall thickening on CT scan, there have been few studies concerning these radiological abnormalities. Our objective was to determine whether endoscopic evaluation is necessary for the evaluation of these abnormal findings.This study evaluated one hundred and forty patients with incidentally detected BWT on abdominal CT scan in Inje University Sanggye Paik Hospital from 2001 to 2003. 102 patients of those were proceeded by endoscopic evaluation. Forty-eight patients had received upper endoscopy, 26 patients had colonoscopy, while 28 patients had sigmoidoscopy.Endoscopic work up revealed significant abnormalities in 83% of patients with incidental findings of the distal esophagus, 73% of patients with thickening of the stomach, 35% of patients with thickening of the right colon, and 71% of patients with thickening of the sigmoid colon and rectum.Although significant pathologic findings are less common in thickening of the right colon than other bowel wall thickening, all of these incidental findings on CT scan warrant further endoscopic evaluation.