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| 1 | A case of invasive hemolymphangioma of the pancreas显示文摘Hemolymphangioma of the pancreas is a very rare benign tumor. There were only five reports of this disease until March 2008. Herein, we report a case of hemolymphangioma of the pancreas with gastrointestinal bleeding due to duodenal invasion. A 53-year-old man had been admitted a referral hospital because of severe anemia due to gastrointestinal bleeding in December 2005. He was then transferred to our institute with a diagnosis of a tumor of the head of the pancreas with duodenal invasion in January 2006. No abnormalities were revealed except for anemia in laboratory data including CEA and CA19-9. Gastrointestinal endoscopy revealed bleeding at the duodenum. Computed tomography also demonstrated a heterogenous mass at the pancreatic head and suspected invasion to the duodenal wall. Ultrasonography showed a huge mass at the pancreatic head with a mixture of high and low echoic areas. Pylorous-preserving pancreatoduodenectomy was performed. The pancreatic tumor was soft and had invaded to the duodenum. The pathological diagnosis was a hemolymphangioma of the pancreas invaded to the duodenum. His postoperative course was uneventful and he was discharged on the 26th d after surgery. Hemolymphangioma of the pancreas is a very rare benign tumor. In a literature review until March 2008, we found five case reports. Major symptoms are abdominal pain and distension due to the enlarged tumor. However, we experienced a case of hemolymphangioma of the pancreas with gastrointestinal bleeding due to invasion to the duodenum. This disease is a very rare entity, but should be considered when patients have gastrointestinal bleeding. | Yoshikazu Toyoki Kenichi Hakamada Shunji Narumi Masaki Nara Daisuke Kudoh Keinosuke Ishido Mutsuo Sasaki | 2008 | World Journal of Gastroenterology2008，14，18： | 26 |
| 2 | An easier method for performing a pancreaticojejunostomy for the soft pancreas using a fast-absorbable suture显示文摘AIM: To clarify the usefulness of a new method for performing a pancreaticojejunostomy by using a fast-absorbable suture material irradiated polyglactin 910, and a temporary stent tube for a narrow pancreatic duct with a soft pancreatic texture.METHODS: Among 63 consecutive patients with soft pancreas undergoing a pancreaticoduodenectomy from 2003 to 2006, 35 patients were treated with a new reconstructive method. Briefly, after the pancreatic transaction, a stent tube was inserted into the lumen of the pancreatic duct and ligated with it by a fast-absorbable suture. Another tip of the stent tube was introduced into the intestinal lumen at the jejunal limb, where a purse-string suture was made by another fast-absorbable suture to roughly fix the tube. The pancreaticojejunostomy was completed by ligating two fast-absorbable sutures to approximate the ductal end and the jejunal mucosa, and by adding a rough anastomosis between the pancreatic parenchyma and the seromuscular layer of the jejunum. The initial surgical results with this method were retrospectively compared with those of the 28 patients treated with conventional duct-to-mucosa anastomosis.RESULTS: The incidences of postoperative morbidity including pancreatic fistula were comparable between the two groups (new; 3%-17% vs conventional; 7%-14% according to the definitions). There was no mortality and re-admission. Late complications were also rarely seen.CONCLUSION: A pancreaticojejunostomy using an irradiated polyglactin 910 suture material and a temporary stent is easy to perform and is feasible even in cases with a narrow pancreatic duct and a normal soft pancreas. | Kenichi Hakamada Shunji Narumi Yoshikazu Toyoki Masaki Nara Kenosuke Ishido Takuya Miura Norihito Kubo Mutsuo Sasaki | 2008 | World Journal of Gastroenterology2008，14，7： | 9 |
| 3 | Intraoperative ultrasound as an educational guide for laparoscopic biliary surgery显示文摘AIM: To analyze the efficacy of routine intraoperative ultrasound (IOUS) as a guide for understanding biliary tract anatomy, to avoid bile duct injury (BDI) after laparoscopic cholecystectomy (LC), as well as any burden during the learning period. METHODS: A retrospective analysis was performed using 644 consecutive patients who underwent LC from 1991 to 2006. An educational program with the use of IOUS as an operative guide has been used in 276 cases since 1998. RESULTS: IOUS was highly feasible even in patients with high-grade cholecystitis. No BDI was observed after the introduction of the educational program, despite 72% of operations being performed by inexperienced surgeons. Incidences of other morbidity, mortality, and late complications were comparable before and after the introduction of routine IOUS. However, the operation time was significantly extended after the educational program began (P < 0.001), and the grade of laparoscopic cholecystitis (P = 0.002), use of IOUS (P = 0.01), and the experience of the surgeons (P = 0.05) were significant factors for extending the length of operation. CONCLUSION: IOUS during LC was found to be a highly feasible modality, which provided accurate, real- time information about the biliary structures. Theeducational program using IOUS is expected to minimize the incidence of BDI following LC, especially when performed by less-skilled surgeons. | Kenichi Hakamada Shunji Narumi Yoshikazu Toyoki Masaki Nara Motonari Oohashi Takuya Miura Hiroyuki Jin Syuichi Yoshihara Michihiro Sugai Mutsuo Sasaki | 2008 | World Journal of Gastroenterology2008，14，15： | 6 |
| 4 | Hemosuccus pancreaticus: Problems and pitfalls in diagnosis and treatment显示文摘Hemosuccus pancreaticus is a rare cause of intermittent upper gastrointestinal bleeding. We report two cases of hemosuccus pancreaticus with multiple episodes of upper gastrointestinal bleeding. The causes of hemorrhage were rupture of pseudoaneurysm of the splenic artery and bleeding from the wall of pancreatic pseudocyst. Interventional radiology is the first modality for early diagnosis and possible treatment of hemosuccus pancreaticus. When angiography shows no abnormal findings or interventional radiological therapy can not be successful, surgery should be considered without delay. Our patients herein underwent surgery without recurrence or sequelae. Intraoperative ultrasonography and pancreatoscopy were helpful modalities for confirming the source of hemorrhage and determining the cutting line of the pancreas. When we encounter intermittent upper gastrointestinal bleeding with an obscure source, hemosuccus pancreaticus should be included in differential diagnoses especially in patients with chronic pancreatitis, which would lead to a prompt and proper treatment. | Yoshikazu Toyoki Kenichi Hakamada Shunji Narumi Masaki Nara Keinosuke Ishido Mutsuo Sasaki | 2008 | World Journal of Gastroenterology2008，14，17： | 5 |
| 5 | Endocytoscopic narrow-band imaging efficiency for evaluation of inflammatory activity in ulcerative colitis显示文摘AIM:To assess the efficacy of endocytoscopic narrowband imaging(EC-NBI)for evaluating the severity of inflammation in ulcerative colitis(UC).METHODS:This retrospective study was conducted at a single tertiary care referral center.We included UC patients who underwent colonoscopy with endocytoscopy from July 2010 to December 2013.ECNBI was performed,and the images were evaluated by assessing visibility,increased vascularization,and the increased calibers of capillaries and were classified as Obscure,Visible or Dilated.Obscure was indicative of inactive disease,while Visible and Dilated were indicative of acute inflammation.This study received Institutional Review Board approval.The primary outcome measures included the diagnostic ability of EC-NBI to distinguish between active and inactive UC on the basis of histological activity.The conventional endoscopic images were classified according to the Mayo endoscopic score.A score of 0 or 1 indicated inactive disease,whereas a score of 2 indicated active disease.RESULTS:Fifty-two patients were enrolled.There was a strong correlation between the EC-NBI findings and the histological assessment(r=0.871,P<0.01).The sensitivity,specificity,positive predictive value,negative predictive value,and accuracy of EC-NBI for diagnosing acute inflammation were 84.0%,100%,87.1%,100%,and 92.3%,respectively,while those for the Mayo endoscopic score were 100%,40.7%,100%,61.0%,and 69.2%,respectively.Compared with conventional endoscopy,EC-NBI was superior in diagnostic specificity,negative predictive value,and accuracy(P<0.001,P=0.001 and P=0.047,respectively).CONCLUSION:The EC-NBI finding of capillaries in the rectal mucosa was strongly correlated with histological inflammation and aided in the differential diagnosis between active and inactive UC. | Yasuharu Maeda Kazuo Ohtsuka Shin-ei Kudo Kunihiko Wakamura Yuichi Mori Noriyuki Ogata Yoshiki Wada Masashi Misawa Akihiro Yamauchi Seiko Hayashi Toyoki Kudo Takemasa Hayashi Hideyuki Miyachi Fuyuhiko Yamamura Fumio Ishida Haruhiro Inoue Shigeharu Hamatani | 2015 | World Journal of Gastroenterology2015，21，7： | 4 |
| 6 | Des-gamma-carboxy prothrombin as an important prognostic indicator in patients with small hepatocellular carcinoma显示文摘AIM:To clarify the effect of a high des-gamma-carboxy prothrombin (DCP) level on the invasiveness and prognosis of small hepatocellular carcinoma. METHODS: Among 142 consecutive patients with known DCP levels, who underwent hepatectomy because of hepatocellular carcinoma, 85 patients met the criteria for small hepatocellular carcinoma, i.e. one ≤ 5 cm sized single tumor or no more than three ≤ 3 cm sized tumors. RESULTS: The overall survival rate of the 142 patients was 92.1% for 1 year, 69.6% for 3 years, and 56.9% for 5 years. Multivariate analysis showed that microscopic vascular invasion (P = 0.03) and serum DCP ≥ 400 mAU/mL (P = 0.02) were independent prognostic factors. In the group of patients who met the criteria for small hepatocellular carcinoma, DCP ≥ 400 mAU/mL was found to be an independent prognostic factor for recurrence-free (P = 0.02) and overall survival (P = 0.0005). In patients who did not meet the criteria, the presence of vascular invasion was an independent factor for recurrence-free (P = 0.02) and overall survivals (P = 0.01). In 75% of patients with small hepatocellular carcinoma and high DCP levels, recurrence occurred extrahepatically. CONCLUSION: For small hepatocellular carcinoma, a high preoperative DCP level appears indicative fortumor recurrence. Because many patients with a high preoperative DCP level develop extrahepatic recurrence, it is necessary to screen the whole body. | Kenichi Hakamada Norihisa Kimura Takuya Miura Hajime Morohashi Keinosuke Ishido Masaki Nara Yoshikazu Toyoki Shunji Narumi Mutsuo Sasaki | 2008 | World Journal of Gastroenterology2008，14，9： | 4 |
| 7 | Photoautotrophic Growth and Net Photosynthetic Rate of Sweet Potato Plantlets In Vitro as Affected by the Number of Air Exchanges of the Vessel and Type of Supporting Material显示文摘To produce high-quality sweet potato plantlets rapidly at low production costs, single nodal leafy cuttings of sweet potato (Ipomoea batatas (L.) Lam.) plantlets were cultured in vitro for 14 days on sugar- and phytohormone-free Murashige and Skoog (MS) liquid medium, at a photosynthetic photon flux (PPF) of 200 μmol·m?2·s?1 and a CO2 concentration (v/v) of 1.8×10?3. A factorial experiment was conducted with two levels of the number of air exchanges of the vessel (NAE), 8.7-12.2 h?1 and >12.2 h?1, and two types of supporting material, vermiculite and Florialite (a porous material). The control treatment consisted of a pho-tomixotrophic culture using a sugar- and NAA-containing agar MS medium with an NAE of 2.4 h?1. PPF and CO2 concentrations were the same as the photoautotrophic treatments. In comparison with the control treatment, the photoautotrophic treatments with NAE of 8.7-12.2 h?1 (MF treatment) and ≥12.2 h?1 (HF treatment) were, respectively, 2.2 and 2.8 times in dry weight, and 3.7 and 4.2 times in net photosynthetic rate, when Florialite was used. The survival percentages of the plantlets in the field were, respectively, 86% and 97% in the MF and HF treatments, and 35% and 46% higher than that in the control treatment. The plantlets cultured with Florialite showed greater growth, compared with those cultured with vermiculite. Photoautotrophic micropropagation system with high NAE and the use of porous supporting material can produce high-quality plantlets and make it possible to reduce production costs. | 肖玉兰 Kozai Toyoki | 2006 | Tsinghua Science and Technology2006，11，4： | 3 |
| 8 | Efficiency of endocytoscopy in differentiating types of serrated polyps显示文摘 | Makoto Kutsukawa Shin-ei Kudo Nobunao Ikehara Yushi Ogawa Kunihiko Wakamura Yuichi Mori Katsuro Ichimasa Masashi Misawa Toyoki Kudo Yoshiki Wada Takemasa Hayashi Hideyuki Miyachi Haruhiro Inoue Shigeharu Hamatani | 2014 | Gastrointestinal Endoscopy2014，，4： | 3 |
| 9 | Towards sustainable plant factories with artificial lighting (PFALs) for achieving SDGs显示文摘The challenges and opportunities for developing sustainable plant factories with artificial lighting(PFALs)are discussed.After examining the production cost and productivity of existing PFALs in Japan,the possibility of introducing a relatively new concept and methodology for considerably improving productivity are discussed in relation to environmental controllability and resource use efficiencies.The fundamental and potential characteristics of ideal or next-generation PFALs(n-PFALs)are then discussed with some suggestions for actualizing n-PFALs.Finally,perspectives of the n-PFALs and technologies to be integrated into the n-PFALs are presented in relation to the Sustainable Development Goals(SDGs)to be achieved by 2030. | Toyoki Kozai | 2019 | International Journal of Agricultural and Biological Engineering2019，12，5： | 2 |
| 10 | Estimating the air exchange rate using water vapour as a tracer gas in a semi-closed growth chamber显示文摘 | Ming Li Toyoki Kozai Genhua Niu Michiko Takagaki | 2012 | Biosystems Engineering2012，，1： | 2 |
| 11 | Effect of the sideward lighting on the growth and morphology of potato plantlets in vitro显示文摘 | Makio hayashi Toyoki Kozai Manabu Ochial | 1994 | Journal of Shita1994，5，2： | 1 |
| 12 | Impact of S-1 as thesecond-line chemotherapy for p/ttients with relapsing pancreatic cancer显示文摘 | ISHIDO K TOYOKI Y KUDO D | 2011 | J Clin Oncol2011，，14： | 1 |
| 13 | Clinical implications of expression of cyclooxygenase-2 related to angiogenesis in uterine endometrial cancers 显示文摘 | Toyoki H Fujimoto J Sato E | 2005 | Ann Oncol2005，16，1： | 1 |
| 14 | Clinical implications of expression of ETS - 1 in relation to angiogenesis in ovarian cancers 显示文摘 | Khatun S Fujimoto J Toyoki H | 2003 | Cancer Sci2003，94，9： | 1 |
| 15 | Molecular Recognition of Nucleotodes by the Guanidinium Unit at the Surface of Aqueous Micelles and Bilayers显示文摘 | Mitsuhiko Onda Kanami Yoshihara Hiroshi Koyano Katsuhiko Ariga Toyoki Kunitake | 1996 | J Am Chem Soc1996，118，： | 1 |
| 16 | Number of air exchanges,sucrose concenteation, photosynthetic photon flux,and differences in photoperiod and dark period temperatures affect growth of glutinosa plantlets in vitro显示文摘 | Cui Yongyi Eun-Joo Hahn Toyoki Kozai | 2000 | Plant Cell Tissue and Organ Culture2000，62，： | 1 |
| 17 | Sex steroid-dependent angiogenesis in uterine endometrial cancers显示文摘 | Fujimoto J Toyoki H Jahan I | 2005 | J Steroid Biochem Mol Biol2005，93，25： | 1 |
| 18 | Cesarean section scar pregnancy may be the cause of serious hemorrhage after first-trimester abortion by dilatation and curettage显示文摘 | Nonaka M Toyoki H Imai A | 2006 | Int J Gynecol Obstet2006，95，： | 1 |
| 19 | Anaplastic carcinoma associated with a mucinous cystic neoplasm of the pancreas during pregnancy:Report of a case and a review of the literature显示文摘Oncogenesis of anaplastic carcinoma of the pancreas is a subject of controversy, because it shows sarcomatous nature with extremely poor prognosis. We herein report an unusual case of anaplastic carcinoma occurring with a recurrent mucinous cystic neoplasm in a 38-year-old female. A 10-cm retroperitoneal cystic mass was pointed out in the first pregnancy and a probable diagnosis of mucinous cystic neoplasm was made in October 2000. She refused surgery first and delivered her baby uneventfully. During her second pregnancy in 2002, however, she presented hematemesis and underwent urgent distal pancreatectomy, splenectomy and partial resection of the gastric wall where the tumor perforated. A diagnosis of borderline-type mucinous cystic neoplasm with ovarian-like stroma was made. Nine months later, CT visualized a recurrent cystic tumor near the pancreatic stump, which was subsequently resected. Pathology revealed that the tumor was composed of two different components of borderline-type mucinous cystic neoplasm and anaplastic carcinoma. The latter was intensely positive for vimentin, CD68, p53 and focally for cytokeratin, suggesting both sarcomatous and carcinomatous differentiation. She survived four years after the second surgery without tumor recurrence. Although the origin of anaplastic carcinoma has not been determined yet, it should be remembered that anaplastic carcinoma can occur in association with mucinous cystic neoplasm of more benign histology. | Kenichi Hakamada Takuya Miura Akitoshi Kimura Masaki Nara Yoshikazu Toyoki Shunij Narumi Mutsuo Sasak | 2008 | World Journal of Gastroenterology2008，14，1： | 1 |
| 20 | Clinical implications of expression of ETS-1 related to angiogenesis in metastatic lesions of ovarian cancers 显示文摘 | Fujimoto J Aoki I Toyoki H | 2004 | Ontology2004，66，5： | 1 |
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