GASTROENTEROLOGICAL ENDOSCOPY
Online ISSN : 1884-5738
Print ISSN : 0387-1207
ISSN-L : 0387-1207
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Volume 47, Issue 10
Displaying 1-13 of 13 articles from this issue
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  • COLONOSCOPIC DIAGNOSIS OF ACUTE INFECTIOUS ENTERITIS
    Shigekazu HAYASHI, Takayoshi KANBE, Wataru HONDA, Masaki SASAKI
    2005 Volume 47 Issue 10 Pages 2345-2352
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2345
    JOURNAL FREE ACCESS
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    Colonoscopic diagnosis of acute infectious enteritis was performed mainly in bacillary dysentery with the rectoscope in the past. As the observation range widens from the rectum and sigmoid colon to total colon, new knowledge has increased. And Campylobacter enteritis and Enterohemorragic Escherichia coli (O157) enteritis joined . As acute infectious enteritis often associated with bloody stool, urgent colonoscopy is performed before detecting the bacteria by stool culture. We can presume causative bacteria by the characteristic findings for example ulcer on Bauhin's valve in Campylobacter enteritis, swelling on Bauhin's valve and erosion in the terminal ileum in Vibrio parahaemolyticus enteritis, longitudinal or diffuse ulcer seen to a high degree on the right side colon in Enterohemorrhagic Escherichia coli enteritis. It is very important to know the colonoscopic findings of acute infectious enteritis from view point of early treatment and prevention of secondary infection.
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  • CURRENT STATUS OF ENTEROSCOPY
    Hironori YAMAMOTO, Hiroto KITA, Keijiro SUNADA, Tomonori YANO, Yoshika ...
    2005 Volume 47 Issue 10 Pages 2353-2360
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2353
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    The small intestine is one of the most difficult organs in the gastrointestinal tract for performing endoscopy, and the method of enteroscopy so far has never been satisfactory. However, two new methods, capsule endoscopy and double-balloon endoscopy, have recently been developed to observe the entire small intestine, which is leading us to a new era for enteroscopy. The double-balloon endoscope is an electronic endoscope system developed by Fujinon based on the double-balloon method, a new endoscope insertion method devised by us. It enabled endoscopy even in the distal small intestine. The most remarkable characteristics of the double-balloon endoscope are its excellent ability to reach into deep portions of the small intestine while shortening and holding the intestine and its excellent controllability resulted from stabilizing the intestine by holding with balloons. It has been demonstrated that the double-balloon endoscope can be inserted deep into the small intestine either per os or per anum, and it has been reported that endoscopic diagnosis and treatment in the entire small intestine without general anesthesia have become possible. According to reports to date, the device boasts an excellent safety record with low incidence of complications, and its utility in the diagnosis and treatment of bleeding, tumor, stenosis, and polyposis in the small intestine has been demonstrated. Double-balloon endoscopy may become a standard procedure of enteroscopy, replacing conventional push enteroscopy and intraoperative enteroscopy. Double-balloon endoscopy is expected to play an important role in the management of small intestinal diseases together with capsule endoscopy.
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  • OBSERVATION ON INFRARED IMAGE OF MUCOSAL DEFECTS CAUSED BY ENDOSCOPIC MUCOSAL RESECTION USING ELECTRONIC ENDOSCOPY
    Norichika NARIMIYA, Kimio ISSHII, Yasuyuki NAKAMURA, Takeshi SUZUKI, H ...
    2005 Volume 47 Issue 10 Pages 2361-2370
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2361
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    Background and Objectives:Endoscopic infrared image allows submucous blood vessels to be visualized. The present study was undertaken to examine whether or not infrared image would yield additional informations useful for the prevention of bleeding after endoscopic mucosal resection (EMR). Materials and Methods:An experimental study was conducted to investigate the changes in color of blood on infrared images caused by the heat produced by highfrequency waves used for EMR. Furthermore, infrared endoscopic observation of mucosal defects, created by EMR, was performed in 10 patients following EMR of the stomach and 10 patients following EMR of the colon. Results:In the experimental study, the color of the blood-free heated area did not differ from the surrounding tissues on infrared images, while the heated area containing blood was shown in blue color on infrared images. ln the experimental study, the blue area in the mucosa l defect created by EMR was the part of blood vessels. Blue areas, different in color from the surrounding tissue, were visible in the periphery or ulcer floor of the mucosa-defective area on infrared images. Conclusions:These results suggested that endoscopic infrared image during EMR provides a useful means of identifying submucous blood vessels and vascular stumps which are likely to cause bleeding after EMR.
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  • EFFICACY AND SAFETY OF CAUDAL ANESTHESIA FOR COLONOSCOPY
    Kunitaka TAKAGI, Tetsu ARAKAKI, Fukunori KINJO, Nagisa KINJO, Tetsuo H ...
    2005 Volume 47 Issue 10 Pages 2371-2378
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2371
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    Background:Pain reactions are common, especially during the insertion of colonoscope through the sigmoid colon. However, the techniques of anesthesia for colonoscopy have not been established. The aim of this study is to assess the safety and efficacy of caudal anesthesia in patients undergoing colonoscopy. Methods:In a prospective, randomized trial, 192 patients received either caudal anesthesia or non-anesthesia (Control group). Caudal anesthesia was achieved by infusion or 10ml of 1 mepivacaine (1%-10ml group) or 15ml of 0.50% mepivacain (0.5%-15ml group)5 minutes before colonoscopy. Results:A significant difference was not seen in average age, sex ratio, time reaching the cecum and examination time on colonoscopy between the groups. Anesthesia level was produced from S5 to S3. Pain score in the anesthesia groups were showed a low value in significance for the control group. There were no complications of respiratory and circulatory system during and after the examination.
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  • SELECTION OF APPROPRIATE IVIETHOD OF THERAPY FOR THE LATERALLY SPREADING TUMOR
    Yosuke IRIGUCHI, Hisashi NAKAMURA, Akihiko YAMAMUR, Teiko NAKAI, Michi ...
    2005 Volume 47 Issue 10 Pages 2379-2390
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2379
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    The colon tumor sized more than 20 mm in diameter which developed mainly in the horizontal direction was defined as laterally spreading colorectal tumor(hereinafter LST). We studies the selection of appropriate method of therapy for LST, classified two types, Granular type LST which has mainly granules and nodules aggregate and Non-Granular type LST which has flat elevation without granules. Endoscopic and radiological analyse were done about the character of the surface, and histopathological investigation was done about the depth of invasion, vertical distance of sminvasion in the cases of sm-cancer, histological type of invasion part, existence of budding, and positive rate of ly, v and n, which were important factors for decision of the method of therapy. In cases of the granular type, selection of method of therapy should be done based on the size of constituent components, that is, protrusion component in the surface and the existence of relative depression. In cases of non-granular type, that should be done based on the existence of elevasion in non-granular part.
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  • SUCCESFULLY TREATED BY EMR FOR EARLY BARRETT'S CANCER IN LONG SEGMENT BARRETT'S ESOPHAGUS FOLLOWED FOR THIRTEEN YEARS
    Kumiko TAHARA, Satoshi TANABE, Wasaburou KOIZUMI, Youko KITAMURA, Haji ...
    2005 Volume 47 Issue 10 Pages 2391-2396
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2391
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    A 56-year-old man visited our hospital with symptom dysphagia in 1989. Endoscopic examination showed esophageal ulcer and Barrett's esophagus. The patient was followed up by endoscopy every year in 2001, we found reddened and slightly elevated mucosa on anterior wall in Barrett's esophagus on a follow-up examination and performed EMR (endoscopic mucosal resection) for early Barrett's cancer on October. We treated early Barrett's cancer in long segment Barrett's esophagus by EMR thirteen years after the initial examination. The careful follow-up of Barrett's esophagus could be important because of the increase in Barrett's esophagus and Barrett's cancer.
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  • LIPOMA AND LIPOSARCOMA OF THE HYPOPHARYNX OF 2 CASES REPORT
    Takashi MURAKI, Taiji AKAMATHU, Shuuichi YOKOSAWA, Noriko MISAWA, Kazu ...
    2005 Volume 47 Issue 10 Pages 2397-2404
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2397
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    We reported two cases of adipose tissue tumor of the hypopharynx. Case 1(64-year-old man) complained dysphagia and case 2 (59-year-old man) complained hoarseness. Both were diagnosed as submucosal tumors with stalk of the hyopharyx by barium X-ray study and endoscopy, and underwent endoscopic resection. Histological diagnoses were well differentiated lipoma-like liposarcoma in case 1 and lipoma in case 2. CT and MR images were homogeneous which were similar in both case. The finding obtained by endoscopic ultrasonography in case 1 showed a mosaic pattern with hypoechoic lesion in a hyperechoic mass. On the contrary, case 2 showed a homogenous hyperechoic mass in the fibrous area of the liposarcoma. In conclusion, endoscopic ultrasonography was useful in the differentiated diagnosis between two cases.
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  • A CASE OF FOLLICULAR LYMPHOMA OF THE TERMINAL ILEUM DIAGNOSED IN ITS EARLY STAGE, SUCCESSFULLY TREATED BY CHOP AND ANTI-CD20 MONOCLONAL ANTIBODY(RITUXIMAB)
    Shigenao ISHIKAWA, Tomoki INABA, Masaki WATO, Kozo KAWAI, Katsuya MIYA ...
    2005 Volume 47 Issue 10 Pages 2405-2411
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2405
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    A 55-year-old man whose fecal occult blood test was positive visited our hospital because of further examination of lower gastrointestina/tract. Ileocolonoscopy and double contrast radiograph revealed several small elevated lesions like a worm with slnooth surface in the terminal ileum. CD20 positive follicular lymphoma was diagnosed by biopsy specimen and its imnnlnohistochemical study. He was given six courses of combination therapy with CHOP plus anti-CD20 antibody(Rituximab), and achieved complete remission. The lesions in terminal ileum may be the feature in early stage of multiple lymphomatous polyposis.
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese]
    2005 Volume 47 Issue 10 Pages 2412-2413
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2412
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese]
    2005 Volume 47 Issue 10 Pages 2414-2415
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2414
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  • ENDOSCOPIC SUBMUCOSAL DISSECTION FOR HYPOPHARYNGEAL CARCINOMA
    Yuichi SHIMIZU, Junji YAMAMOTO, Mototsugu KATO, Takeshi YOSHIDA, Jojo ...
    2005 Volume 47 Issue 10 Pages 2416-2421
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2416
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    Recent development in endoscopic diagnosis enab/ed gastrointestinal endoscopists to detect hypopharyngeal carcinoma in an early stage, especially in Japan. Patients with such early lesions can be treated with endoscopic mucosal resection(EMR). We have used endoscopic submucosal dissection(ESD)as EMR method for early hypopharyngeal carcinoma in the purpose of preventing unnecessary mucosal defects of hypopharynx. Four patients with hypopharyngeal carcinoma underwent ESD in our hospital. No late complication due to ESD (such as dysphagea)arose in the patients. None of them were found to have recurrent lesion. ESD may be the most adequate method of EMR for hypopharynx, which is much related to important function such as swallowing and speaking. Further study about indication of EMR for hypopharyngeal carcinoma is required.
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  • ENDOSCOI'IC CLOSURE OF'MUCOSAL DEFECTS WITH METALLIC CLIPS AFTER ENDOSCOPIC MUCOSAL RESECTION IN PATIENTS WITH INTRAMURAL TUMORS OF THE STOMACH
    Masaaki INOMATA, Masaki ENDO, Torahiko TERUI, Syuhei OANA, Norihiko KU ...
    2005 Volume 47 Issue 10 Pages 2422-2428
    Published: October 20, 2005
    Released on J-STAGE: May 09, 2011
    DOIhttps://doi.org/10.11280/gee1973b.47.2422
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    Background and Study Aims:Representative complications of endoscopic mucosal resection to treat intramural gastric tumors include bleeding and perforation. The purpose of this study is to clarify whether endoscopic closure of mucosal defects using metallic clips decreases the incidence of delayed bleeding following endoscopic mucosal resection. Patients and Methods:The records of 187 intramural tumors of the stomach in the 181 patients that were treated by endoscopic mucosal resection between 1992 and 2001 were reviewed retrospectively. The patients were classified into two groups. The first group included patients who were received endoscopic mucosal resection but were not treated by endoscopic mucosal closure. The second group included patients who were treated with endoscopic mucosal closure using metallic clips after endoscopic mucosal resection. The incidences of delayed bleeding following endoscopic mucosal resection in these two groups were evaluated. Results:Delayed bleeding following endoscopic mucosal resection was observed in 130f 96 (13.5%)of the lesions of the first group. Delayed bleeding was encountered in only two of 91 (2.2%)lesions of the second group. Conclusions:Endoscopic closure of mucosal defects with metallic clips after endoscopic inucosal resection in gastric lesions was useful in decreasing the incidence of delayed bleeding following endoscopic mucosal resection.
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  • [title in Japanese]
    [in Japanese]
    2005 Volume 47 Issue 10 Pages 2429-2433
    Published: 2005
    Released on J-STAGE: January 29, 2024
    DOIhttps://doi.org/10.11280/gee1973b.47.10_2429
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