Nippon Shokakibyo Gakkai Zasshi
Online ISSN : 1349-7693
Print ISSN : 0446-6586
Volume 117 , Issue 2
Showing 1-10 articles out of 10 articles from the selected issue
Monthly report (General review article); Endoscopic diagnosis and treatment of the upper gastrointestinal tumors -Up to date-
Monthly report (Review article); Endoscopic diagnosis and treatment of the upper gastrointestinal tumors -Up to date-
Original article
  • Takayuki SHIMIZU, Mitsuru ISHIZUKA, Yuhki SAKURAOKA, Takayuki SHIRAKI, ...
    2020 Volume 117 Issue 2 Pages 150-156
    Published: February 10, 2020
    Released: February 10, 2020
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    New chemotherapeutic regimens such as S-1 plus docetaxel, S-1 plus oxaliplatin and capecitabine plus oxaliplatin are reported to be effective and safe as postoperative adjuvant chemotherapy (PAC) for advanced gastric cancer (GC) patients. Although the use of these PACs is increasing, it is still unclear how to choose the best regimen for advanced GC patients. Therefore, we aimed to investigate which clinical characteristics are associated with recurrence after curative surgery in patients receiving S-1 as PAC. Thirty-nine patients who received a PAC regimen with S-1 for more than 1 year after curative surgery for advanced GC were enrolled. Univariate and multivariate analyses using the Cox proportional hazard model were performed to detect clinical characteristics that correlated with recurrence. Patients were divided into two groups, recurrence, and non-recurrence, and receiver operating characteristic (ROC) curve analysis was used to identify the cut-off values. Kaplan-Meier analysis and the log-rank test were used for comparison of relapse-free survival (RFS). Fifteen patients had a recurrence after surgery (38.5%, 15/39). Multivariate analysis using clinical characteristics revealed that preoperative C-reactive protein (CRP) (>0.3/≤0.3, mg/dL) (HR 10.73;95% C.I., 1.824-63.14;P=0.009) was significantly associated with recurrence. Kaplan-Meier analysis and the log-rank test demonstrated that preoperative CRP (>0.3/≤0.3, mg/dL) was also significantly associated with RFS (P<0.001). Therefore, preoperative CRP is significantly associated with recurrence and RFS after curative surgery in advanced GC patients receiving S-1 as PAC.

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Case report
  • Soh OKANO, Minako SAKO, Naoki YOSHIMURA, Masakazu TAKAZOE
    2020 Volume 117 Issue 2 Pages 157-164
    Published: February 10, 2020
    Released: February 10, 2020
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    Dilatation of the colon in severe and fulminating ulcerative colitis is a sign of toxic megacolon and emergency surgery is usually the favored treatment option. Here we describe our experience with three cases of ulcerative colitis with megacolon in which surgery was avoided by treating the patients with a continuous intravenous infusion of cyclosporine, with full cooperation of the surgeons. We recommend that continuous intravenous infusion of cyclosporine be considered as an effective option for the conservative management of severe, fulminating ulcerative colitis with megacolon.

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  • Kae NAGAO, Kohei KURODA, Masatoshi FUJII, Daisuke SHIRASAKA, Yukiko ER ...
    2020 Volume 117 Issue 2 Pages 165-170
    Published: February 10, 2020
    Released: February 10, 2020
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    A gastric ulcer was detected in a 54-year-old man who underwent upper gastrointestinal endoscopy for hematemesis. An abdominal contrasted computed tomography scan detected a splenic artery aneurysm adjacent to the gastric wall. Endoscopic hemostasis was thought to be risky owing to possible rupture of the aneurysm. Rupture of a splenic artery pseudoaneurysm due to segmental arterial mediolysis (SAM) was diagnosed by abdominal angiography, and subsequently transcatheter arterial embolization was performed. In cases of upper gastrointestinal hemorrhage, hemostasis is often performed during the emergency endoscopic examination. However, in cases of massive gastrointestinal bleeding, the possibility of a splenic artery aneurysm, in association with SAM, should be recognized. The risk of rupturing the aneurysm should be considered in selecting the most suitable treatment.

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  • Shota HARAI, Mitsuharu FUKASAWA, Shinichi TAKANO, Hiroko SHINDO, Ei TA ...
    2020 Volume 117 Issue 2 Pages 171-177
    Published: February 10, 2020
    Released: February 10, 2020
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    A 63-year-old man developed an infectious pancreatic pseudocyst after acute-on-chronic pancreatitis. The CT and MRI showed the pancreatic pseudocyst communicating with the left branch of the portal vein which now contained cystic fluid. The condition was diagnosed as a pancreatic pseudocyst-portal vein fistula. Because there was no appropriate route through which to drain the pseudocyst, the procedure was performed via the portal vein. The patient's symptoms rapidly improved after the procedure and no recurrence has been observed for three years. Here, we report a rare case of pancreatic pseudocyst-portal vein fistula treated by drainage via the portal vein.

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  • Yuki FUJII, Shinsuke KOSHITA, Yoshihide KANNO, Takahisa OGAWA, Kaori M ...
    2020 Volume 117 Issue 2 Pages 178-188
    Published: February 10, 2020
    Released: February 10, 2020
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    We report the rare case of a 69-year-old man who underwent resection of a mixed adenoneuroendocrine carcinoma (MANEC) of the distal bile duct and a carcinoma in situ in the perihilar bile duct. The patient was admitted to our hospital for obstructive jaundice. Imaging studies revealed a mass in the distal bile duct, and an abnormal epithelium was detected in the perihilar bile duct using peroral cholangioscopy. Bile cytology and transpapillary biopsy of the tumor revealed adenocarcinoma. We diagnosed this patient with distal cholangiocarcinoma with extensive intraepithelial progression toward the perihilar bile duct and performed a subtotal stomach-preserving pancreaticoduodenectomy and left hepatectomy. According to the histological examination of the resected specimens, we found a MANEC in the distal bile duct and a carcinoma in situ in the perihilar bile duct. Together, they were diagnosed as synchronous double primary cancers due to the lack of pathological transition between them.

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