T Kato

ORCID: 0000-0002-8520-1949
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About
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Research Areas
  • Colorectal and Anal Carcinomas
  • Colorectal Cancer Treatments and Studies
  • Colorectal Cancer Surgical Treatments
  • Gastric Cancer Management and Outcomes
  • COVID-19 and healthcare impacts
  • Pancreatic and Hepatic Oncology Research
  • Cardiac, Anesthesia and Surgical Outcomes
  • Multiple and Secondary Primary Cancers
  • Trauma and Emergency Care Studies
  • Cancer Treatment and Pharmacology
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Genetic factors in colorectal cancer
  • Peptidase Inhibition and Analysis
  • Protease and Inhibitor Mechanisms
  • Advances in Oncology and Radiotherapy
  • Renal cell carcinoma treatment
  • Pancreatitis Pathology and Treatment
  • Radiation Dose and Imaging
  • Statistical Methods in Clinical Trials
  • Traditional Chinese Medicine Studies
  • Anorectal Disease Treatments and Outcomes
  • Surgical site infection prevention
  • Signaling Pathways in Disease
  • Sodium Intake and Health
  • Cholangiocarcinoma and Gallbladder Cancer Studies

Sapporo Medical University
2023-2024

Institut de Virologie
2020-2022

University of Birmingham
2020

AstraZeneca (Brazil)
2020

Stryker (United Kingdom)
2020

Pfizer (United Kingdom)
2020

Merck (Germany)
2020

Tochigi Medical Center
2015-2019

National Hospital Organization
2015-2019

Yamagata Prefectural Central Hospital
2015

Abstract Background The aim of this study was to assess the impact inferior mesenteric artery (IMA) root nodal dissection before high ligation on survival in patients with sigmoid colon or rectal cancer. Methods Data 1188 consecutive who underwent resection for cancer, IMA, were identified from a prospective database (April 1965 December 1999). Survival involvement nodes along IMA proximal origin left colic (root nodes, station 253) through bifurcation superior (trunk 252) determined....

10.1002/bjs.5327 article EN British journal of surgery 2006-04-11

S-1 is a new oral formulation of 5-fluorouracil (5-FU) consisted 1M tegafur, 0.4M 5-chloro-2,4-dihydroxypyridine that inhibits degradation 5-FU, and potassium oxonate regulates the phosphorylation 5-FU in gastrointestinal tract, has shown excellent antitumor efficacy against various murine tumors rodents, compared to tegafur-based drug, UFT (1M tegafur plus 4M uracil), which used clinically Japan. To assess possibility using S-1, we investigated effect on human solid tumor xenografts athymic...

10.3892/ijo.13.4.693 article EN International Journal of Oncology 1998-10-01

The clinical significance of plasma concentration matrix metalloproteinase 9 (MMP-9) was investigated in patients with gastric cancer.Plasma obtained from 138 healthy individuals and 70 who underwent gastrectomy for cancer at Aichi Cancer Centre between August 1994 July 1995. Plasma concentrations MMP-9 were measured using a one-step sandwich enzyme immunoassay employing monoclonal antibodies.Patients had higher than normal subjects. Postoperative lower preoperative levels. In addition to...

10.1046/j.1365-2168.1997.02468.x article EN British journal of surgery 1997-01-01

One thousand two hundred fifty-four cases (610 colonic and 644 rectal cancers resected during 2 years from 1984 followed up for more than 5 years) were entered 140 institutions in Japan analyzed by means of Cox's proportional hazards model. The pathologic variables the size depth invasion, Dukes' stage, venous lymphatic permeation, other clinical features, such as sex age patient location tumor. extent dissection, serum carcinoembryonic antigen (CEA) level, presence or absence adjuvant...

10.1097/00000421-199608000-00019 article EN American Journal of Clinical Oncology 1996-08-01

Patients with resectable (R) or borderline (BR) pancreatic ductal adenocarcinoma (PDAC) sometimes show unexpected liver, peritoneal, and para-aortic lymph node metastases intraoperatively. Despite radical pancreatectomy, a nonnegligible number of patients relapse within 6 months after surgery. The aim this study was to identify the preoperative predictors occult (OM), defined as intraoperative distant pancreatectomy.

10.1016/j.sopen.2024.07.010 article EN cc-by-nc-nd Surgery Open Science 2024-07-22

Laparoscopic hepatectomy for colorectal liver metastases (CRLM) is performed worldwide. However, owing to a lack of palpatory information and difficulties associated with accurate intraoperative ultrasonographic diagnosis, the tumor may be exposed at hepatic transection margin. This study aimed investigate pathological significance near-infrared (NIR) fluorescence imaging indocyanine green (ICG)-guided laparoscopic determine its usefulness in securing resection margin CRLMs.

10.1097/sle.0000000000001320 article EN Surgical Laparoscopy Endoscopy & Percutaneous Techniques 2024-08-26

A coprological survey with detailed clinical observation of naturally occurring haemorrhagic enteritis (HE) cases was conducted to understand the pathophysiology HE by clarifying infection status Eimeria and enteropathogenic bacteria in cattle. Faecal samples from 55 26 clinically normal animals were collected, a quantitative examination potential performed. The number species oocysts per gram faeces (OPG) exceeded 10,000 69.1 cent maximum 1,452,500 OPG zuernii found be overwhelmingly...

10.1136/vr.103237 article EN Veterinary Record 2015-08-01

Background Patients with resectable (R) or borderline (BR) pancreatic ductal adenocarcinoma (PDAC) sometimes show unexpected liver, peritoneal, and para-aortic lymph node metastases intraoperatively. Despite radical pancreatectomy, a nonnegligible number of patients relapse within 6 months after surgery. The aim this study was to identify the preoperative predictors occult (OM), defined as intraoperative distant pancreatectomy.Materials methods This included R BR PDAC who underwent...

10.2139/ssrn.4823794 preprint EN 2024-01-01

大腸癌の同時性肝転移に対する本邦における治療の現況を明らかにするため,1997年の初回全国アンケート調査を引き継いで登録症例の追跡調査を行った.初回集積症例3,212例のなかで最終的に1,843症例が集積された.そのうちの解析適合症例446例を解析した.Hステージ別,転移個数別,転移腫瘍径別に治療方法別の有効性を検討したが,全てのステージで外科的切除が最も有効であった.特にH1症例,転移数3個以下,転移腫瘍径2.0cm以下の症例では,外科的切除を第一選択とすべきことが示唆された.またH2以上,転移個数4個以上,腫瘍径2.1cm以上の症例に関しては動注療法も有効であった.全身化学療法もH3や転移数5個以上のステージの進行した症例では有効性が認められた.

10.3862/jcoloproctology.56.55 article EN Nihon Daicho Komonbyo Gakkai Zasshi 2003-01-01

4093 Background: The results of phase I portion the treatment with oral S-1 (a new fluoropyrimidine) plus leucovorin (LV) in patients (pts) untreated metastatic colorectal cancer (mCRC) was reported at ESMO 2006. Dose limiting toxicities (DLTs) were grade 3 stomatitis/pharyngitis, nausea, diarrhea, ileus and exanthema. recommended doses (RDs) for this II determined to be 40 mg/m 2 LV 25 mg/body orally given twice daily on days 1 14 a 28-day cycle. PK profiles similar those monotherapy UFT...

10.1200/jco.2007.25.18_suppl.4093 article EN Journal of Clinical Oncology 2007-06-20

Objectives: Among the preoperative and surgical findings in patients with thymoma, risk factors for pleural recurrence after complete resection were explored. Methods: Fifty-three Masaoka stage I to III thymoma who underwent 5 IVa disease comparison analysed. The longest diameter of tumour (LDT) contact length between contour lung (CLTL) measured on computed tomography (CT) scans. CLTL was evaluated at maximum section axial images (Fig. 1 (a)). A multivariate analysis including age, sex, WHO...

10.1093/icvts/ivu276.87 article EN Interactive Cardiovascular and Thoracic Surgery 2014-09-23
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