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Volume 46, Issue 2
Displaying 1-8 of 8 articles from this issue
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Iruru MAETANI, Yoshihiro SAKAI2004 Volume 46 Issue 2 Pages 135-144
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSSelf-expandable metallic stents are being increasingly used for malignant obstruction of various gastrointestinal tracts ; esophagus, gastric outlet, small bowel, or colorectum. On one hand, its main purpose is to palliate unresectable diseases . On the other hand, it may be used for acute colorectal obstruction as a preoperative decompression for the scheduled surgery . The procedure offers significant clinical outcomes; high success rates, rapid response, and short hospital stay. While most complications are manageable with reintervention, some are fatal. To avoid complications, a new stent with improved design and optimal properties will be needed. Prospective randomized trial as compared to the other procedures such as surgical intervention and endoscopic ablative procedure will also be required .View full abstractDownload PDF (7553K) -
Koya YOKOYAMA, Kenji ODA, Keiji KODA, Kazuhiro SEIKE, Masato MORIHIRO, ...2004 Volume 46 Issue 2 Pages 145-150
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSA 65-year-old man was admitted to our hospital because of dark skin pigmentation and papillomatous changes of the whole body. The diffuse protruded lesions were noted on the face, hands, feet, inguina, and axillae. The skin lesion was typical of acanthosis nigricans which was comfirmed histologically as hyperkeratosis, papillomatosis and pigmentation of basal layer on skin biopsy. Endoscopic examinations revealed advanced gastric cancer at the body and numerous protruded granular changes of the esophageal mucosa. The biopsy specimen from the esophagus revealed epithelial hyperplasia. Because the cervical lymph nodes metastases were positive, the chemotherapy was performed, and skin lesions and gastric cancer were improved. As malignant acanthosis nigricans with esophageal lesions is relatively rare, we reported a case and reviewed the literature.View full abstractDownload PDF (7565K) -
Miho SASAKI, Yoshihiro YAKUSHIJIN, Takaaki HATO, Yoshio KUSHIDA, Tenzo ...2004 Volume 46 Issue 2 Pages 151-157
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSA 65-year-old man visited our hospital because of his epigastralgia and abdominal fullness. Endoscopic examination revealed a whitish papillary lesion with swollen mucosa of the duodenum. He was diagnosed as follicular lymphoma (grade I, stage IE) based on the immunohistochemical staining of the biopsied specimen. He was treated by anti-CD20 antibody (Rituximab). Two months after the treatment, endoscopic examination revealed the shrinkage of the duodenal tumor, indicating that the treatment of anti-CD20 antibody was very effective as a non-invasive therapy.View full abstractDownload PDF (7912K) -
Jun ISOGAKI, Toshihiko KOBAYASHI, Muneo KAWAMURA2004 Volume 46 Issue 2 Pages 158-162
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSWe report a case of duodenal enterolith associated with the surgical operation for annular pancreas, which was treated endoscopically using laser lithotolipsy. A 20-year-old Japanese man was admitted to Kawamura hospital with hematemesis. Upper gastrointestinal endoscopy and X-ray examination revealed a hemorrhagic duodenal ulcer and an enterolith in the duodenal bulb. Duodenal hemorrhage was successfully managed endoscopically. Then, we removed the enterolith with endoscopic laser lithotolipsy. The chemical analysis proved that the enterolith was made from 98% deoxycholic acid. Therefore, we diagnosed it as a true enterolith. Duodenal true enterolith is very rare disease. In this case, anastomotic stricture of the duodeno-duodenostomy for annular pancreas was considered to have caused the stagnation of intestinal contents and the formation of the enterolith.View full abstractDownload PDF (5679K) -
Kiyoshi YOKOYAMA, Akitake UNO, Toshikazu YAMAGUCHI, Takeshi UEHARA, Ta ...2004 Volume 46 Issue 2 Pages 163-168
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSA 79-year-old female patient, who had been treated for hypertension, was admitted with complaints of melena and epigastralgia. We performed gastroduodenal endoscopies several times to know the cause of the symptoms. Finally, we recognized a duodenal diverticulum on the anal side at the papilla of Vater with active bleeding. We mounted a transparent hood at the tip of endoscopy, and clipped active bleeding source of the diverticulum. We reported that the transparent hood is useful for the diagnosis and also for the treatment of bleeding duodenal diverticulum. Furthermore, the use of the transparent hood makes clipping easier.View full abstractDownload PDF (6587K) -
Yasushi SATO, Daiki CHIBA, Tetsuji TAKAYAMA, Risyu TAKIMOTO, Tetsuro O ...2004 Volume 46 Issue 2 Pages 169-173
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSA 57 years old male was referred to our hosphtal because of abdominal discomfort. On barium enema and colonoscopic examination, there were various forms of polyps including pedunculated polyps with a elongated stalk, measuring 70mm in maximal length and small hemispherical polyps in the cecum. In addition, there were ulcer scars at the same site. Endoscopic polypectomy was performed and the resected specimen was characterized by submucosal tissue, which were mainly composed of normal mucosa and edematous submucosal layer with loose fibrous connective tissues. Thus, the resected polyp was diagnosed as "colonic muco-submucosal elongated polyps (CMSEP), which has been proposed by Matake et al. as a new clinical entity for unclassified colonic polyps. As endoscopic examination has become more widespread, CMSEP have increasingly been reported. However, there has been no report of CMSEP with varied forms of polyps at the same site. Thus, this case was thought to be very interesting with regard to the pathogenesis of CMSEP.View full abstractDownload PDF (6548K) -
Mitutaka KUMAMOTO, Yukinori NAKAE, Satoshi SUGIMORI, Kazuki IKOMA, Kou ...2004 Volume 46 Issue 2 Pages 174-179
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSSquamous cell carcinoma in situ of the anal canal is very rare. This case is the 6th reported case in Japan. It is a case which was correctly diagnosed by colonoscopy and was treated by surgical partial resection of the anal canal. A 62-year-old woman was hospitalized because of severe conspitation. Colonoscopy revealed a polyp of lomm in diameter in the anal canal by a turn-over method in the rectum. Biopsy specimen showed moderately differentiated squamous cell carcinoma. Partial anal canal resection was performed after a diagnosis of squamous cell carcinoma in situ of the anal canal was made. Pathological findings of the resected specimen revealed an elevated lesion with defined margins, l0mm in diameter situated in close proximity to the dentate line. The histology of the elevated lesion revealed squamous cell carcinoma in situ. Careful inspection of the anal canal by colonoscopy and anoscopy is essential for the early diagnosis of cancer in the anal canal.View full abstractDownload PDF (6587K) -
Bunzo NAKATA, Hiroji NISHINO, Kinshi KOSAKA, Fumihiro KAWASAKI, Yoshin ...2004 Volume 46 Issue 2 Pages 180-186
Published: February 20, 2004
Released on J-STAGE: May 09, 2011
JOURNAL FREE ACCESSWe examined the endoscopic ultrasound (EUS) findings of 2 cases of nonfunctioning islet cell carcinoma of the pancreas (NFICC), comparing to those of pancreatic ductal cancer (n=87). There were no useful EUS findings for differential diagnosis between NFICC and pancreatic ductal cancer, in regard to heterogeneity of internal echo, clearness of boundary echo, no ductal structure in tumor, or no penetrating duct sign. Regular peripheral ehco and round or oval tumor shape may be characteristic EUS findings of NFICC.View full abstractDownload PDF (7175K)
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