Yutaka Saito

Summary

Affiliation: National Cancer Center
Country: Japan

Publications

  1. ncbi request reprint Colorectal ESD: current indications and latest technical advances
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan Electronic address
    Gastrointest Endosc Clin N Am 24:245-55. 2014
  2. pmc Prospective Case Study on Characterization of Colorectal Adenomas Comparing AFI with NBI
    Haruhisa Suzuki
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Diagn Ther Endosc 2011:963618. 2011
  3. pmc Visualization of laterally spreading colorectal tumors by using image-enhanced endoscopy
    Naoto Tamai
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastroenterol Res Pract 2012:638391. 2012
  4. pmc Application of endoscopic submucosal dissection for removal of deep invasive submucosal colon carcinoma
    Sergio A Con
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, 104 0045 Tokyo, Japan
    Case Report Med 2009:573981. 2009
  5. pmc Comparison of narrowband imaging with autofluorescence imaging for endoscopic visualization of superficial squamous cell carcinoma lesions of the esophagus
    Haruhisa Suzuki
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Diagn Ther Endosc 2012:507597. 2012
  6. pmc Indications for and technical aspects of colorectal endoscopic submucosal dissection
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gut Liver 7:263-9. 2013
  7. doi request reprint Current status of colorectal endoscopic submucosal dissection in Japan and other Asian countries: progressing towards technical standardization
    Yutaka Saito
    National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 24:67-72. 2012
  8. pmc Efficacy of capillary pattern type IIIA/IIIB by magnifying narrow band imaging for estimating depth of invasion of early colorectal neoplasms
    Hiroaki Ikematsu
    National Cancer Center East Hospital, Department of GI Oncology and Endoscopy, Chiba, Japan
    BMC Gastroenterol 10:33. 2010
  9. ncbi request reprint Endoscopic submucosal dissection of non-polypoid colorectal neoplasms
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastrointest Endosc Clin N Am 20:515-24. 2010
  10. doi request reprint Clinical outcome of endoscopic submucosal dissection versus endoscopic mucosal resection of large colorectal tumors as determined by curative resection
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Chuo Ku, Tokyo, Japan
    Surg Endosc 24:343-52. 2010

Detail Information

Publications108 found, 100 shown here

  1. ncbi request reprint Colorectal ESD: current indications and latest technical advances
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan Electronic address
    Gastrointest Endosc Clin N Am 24:245-55. 2014
    ..Based on the excellent clinical results of colorectal ESDs, the Japanese health care insurance system has approved colorectal ESD for coverage. ..
  2. pmc Prospective Case Study on Characterization of Colorectal Adenomas Comparing AFI with NBI
    Haruhisa Suzuki
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Diagn Ther Endosc 2011:963618. 2011
    ..5% with AFI and 80.9% with NBI (P < .01). Conclusion. This study indicated that AFI may be more effective for the characterization of colorectal adenomas because of better visualization of such lesions compared to NBI...
  3. pmc Visualization of laterally spreading colorectal tumors by using image-enhanced endoscopy
    Naoto Tamai
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastroenterol Res Pract 2012:638391. 2012
    ..Multicenter trials should be conducted to confirm the usefulness of autofluorescence imaging in detecting laterally spreading colorectal tumors...
  4. pmc Application of endoscopic submucosal dissection for removal of deep invasive submucosal colon carcinoma
    Sergio A Con
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, 104 0045 Tokyo, Japan
    Case Report Med 2009:573981. 2009
    ..At present, we have removed 16 lesions with deep sm invasion by ESD without complications, demonstrating that deep sm cancer can be successfully resected by this technique as a local resection. Herein, we report on one of these cases...
  5. pmc Comparison of narrowband imaging with autofluorescence imaging for endoscopic visualization of superficial squamous cell carcinoma lesions of the esophagus
    Haruhisa Suzuki
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Diagn Ther Endosc 2012:507597. 2012
    ..Moderate interobserver agreement (κ = 0.42, 95% CI 0.24-0.60) resulted in NBI while fair agreement (κ = 0.35, 95% CI 0.18-0.51) was achieved using AFI. Conclusion. NBI may be more effective than AFI for visualization of esophageal SCC...
  6. pmc Indications for and technical aspects of colorectal endoscopic submucosal dissection
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gut Liver 7:263-9. 2013
    ..Based on the excellent clinical results of colorectal ESDs in Japan, the Japanese healthcare insurance system has approved colorectal ESD for coverage...
  7. doi request reprint Current status of colorectal endoscopic submucosal dissection in Japan and other Asian countries: progressing towards technical standardization
    Yutaka Saito
    National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 24:67-72. 2012
    ....
  8. pmc Efficacy of capillary pattern type IIIA/IIIB by magnifying narrow band imaging for estimating depth of invasion of early colorectal neoplasms
    Hiroaki Ikematsu
    National Cancer Center East Hospital, Department of GI Oncology and Endoscopy, Chiba, Japan
    BMC Gastroenterol 10:33. 2010
    ..We aimed to determine whether CP type IIIA/IIIB identified by magnifying NBI is effective for estimating the depth of invasion in early colorectal neoplasms...
  9. ncbi request reprint Endoscopic submucosal dissection of non-polypoid colorectal neoplasms
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastrointest Endosc Clin N Am 20:515-24. 2010
    ..This article explains in detail how ESD is performed and compares it with endoscopic mucosal resection...
  10. doi request reprint Clinical outcome of endoscopic submucosal dissection versus endoscopic mucosal resection of large colorectal tumors as determined by curative resection
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Chuo Ku, Tokyo, Japan
    Surg Endosc 24:343-52. 2010
    ..Clinical outcomes compared with conventional endoscopic mucosal resection (EMR) have not been determined so our aim was to compare the effectiveness of ESD with conventional EMR for colorectal tumors >or=20 mm...
  11. doi request reprint Indications for endoscopic resection of colorectal polyps and surveillance guidelines
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 22:S38-42. 2010
    ..A questionnaire was completed by everyone involved in the conference and the most important results were reported and then discussed by the participants...
  12. doi request reprint Endoscopic submucosal dissection (ESD) for colorectal tumors
    Yutaka Saito
    National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 21:S7-12. 2009
    ..Endoscopic submucosal dissection (ESD) is accepted as a minimally invasive treatment for early gastric cancer, however, it is not widely used in the colorectum because of its technical difficulty...
  13. ncbi request reprint Phlebosclerotic colitis with deep circumferential ulceration: three-year endoscopic follow-up. Report of a case
    Yutaka Saito
    Department of Gastroenterology, Mitsui Memorial Hospital, Chuo Ku, Tokyo, Japan
    Dis Colon Rectum 48:2347-51. 2005
    ..This case emphasizes the benefit of nonsurgical treatment for phlebosclerotic colitis even in cases of deep circumferential ulceration...
  14. doi request reprint Responsive insertion technology
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 23:164-7. 2011
    ....
  15. ncbi request reprint Endoscopic submucosal dissection for early gastric cancer in the remnant stomach after gastrectomy
    Satoru Nonaka
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 78:63-72. 2013
    ....
  16. doi request reprint Detectability of colorectal neoplastic lesions using a narrow-band imaging system: a pilot study
    Toshio Uraoka
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 23:1810-5. 2008
    ..The aim of this study was to assess the feasibility of using NBI for colorectal neoplasia screening...
  17. doi request reprint Mid-term prognosis after endoscopic resection for submucosal colorectal carcinoma: summary of a multicenter questionnaire survey conducted by the colorectal endoscopic resection standardization implementation working group in Japanese Society for Cancer o
    Shiro Oka
    Colorectal Endoscopic Resection Standardization Implementation Working Group in Japanese Society for Cancer of the Colon and Rectum, Tokyo, Japan
    Dig Endosc 23:190-4. 2011
    ....
  18. ncbi request reprint Favorable long-term outcomes of endoscopic submucosal dissection for locally recurrent early gastric cancer after endoscopic resection
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Endoscopy 45:708-13. 2013
    ..We aimed to evaluate the effectiveness, safety, and long-term clinical outcomes of ESD performed for locally recurrent EGC...
  19. pmc Bone metastasis from early gastric cancer following non-curative endoscopic submucosal dissection
    Hiroyuki Kawabata
    Endoscopy Division, National Cancer Center Hospital, Tokyo 104 0045, Japan
    World J Gastroenterol 19:5016-20. 2013
    ..4%-3.4%, but among these bone metastasis is very rare. To our knowledge, this is the first reported case of bone metastasis from EGC following a non-curative ESD and occurring after an eight-year disease-free interval. ..
  20. doi request reprint Impact of endoscopic submucosal dissection for the therapeutic strategy of large colorectal tumors
    Kinichi Hotta
    Department of Gastroenterology, Saku Central Hospital, Saku, Japan
    J Gastroenterol Hepatol 27:510-5. 2012
    ..The aim of this study was to estimate the impact of ESD as an initial treatment strategy...
  21. ncbi request reprint Short- and long-term outcomes of endoscopic submucosal dissection for undifferentiated early gastric cancer
    Seiichiro Abe
    National Cancer Center Hospital, Tokyo, Japan
    Endoscopy 45:703-7. 2013
    ..The aim of this retrospective study was to clarify the short-term and long-term outcomes of ESD carried out to treat undifferentiated EGC...
  22. ncbi request reprint Different histological status of gastritis in superficial adenocarcinoma of the esophagogastric junction
    Masayoshi Yamada
    5 1 1, Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Jpn J Clin Oncol 44:65-71. 2014
    ..We aim to investigate the histological status of gastritis in the background fundic gland mucosa of adenocarcinoma of the esophagogastric junction...
  23. pmc Small undifferentiated intramucosal gastric cancer with lymph-node metastasis: case report
    Tomoyuki Odagaki
    Endoscopy Division, National Cancer Center Hospital, Tokyo 104 0045, Japan
    World J Gastroenterol 19:3157-60. 2013
    ..This case involved LN metastasis, however, and the lesion was diagnosed as pathological stage IIA (T1N2M0) according to the Japanese Classification of Gastric Carcinoma...
  24. doi request reprint A prospective, multicenter study of 1111 colorectal endoscopic submucosal dissections (with video)
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 72:1217-25. 2010
    ..Endoscopic submucosal dissection (ESD) is accepted as a minimally invasive treatment for early gastric cancer, although it is not widely used in the colorectum because of technical difficulty...
  25. doi request reprint Efficacy of the invasive/non-invasive pattern by magnifying chromoendoscopy to estimate the depth of invasion of early colorectal neoplasms
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Am J Gastroenterol 103:2700-6. 2008
    ..However, validation in large-scale studies is lacking. The aim of this prospective study was to clarify the effectiveness of MCE in the diagnosis of the depth of invasion of early colorectal neoplasms in a large series...
  26. ncbi request reprint Endoscopic treatment of large superficial colorectal tumors: a case series of 200 endoscopic submucosal dissections (with video)
    Yutaka Saito
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 66:966-73. 2007
    ..Endoscopic submucosal dissection (ESD) is accepted as a minimally invasive treatment for early gastric cancer; however, it is not widely used in the colorectum because of its technical difficulty...
  27. doi request reprint Comparison of magnifying chromoendoscopy and narrow-band imaging in estimation of early colorectal cancer invasion depth: a pilot study
    Taku Sakamoto
    Department of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 23:118-23. 2011
    ..The aim of this retrospective study was to compare NBI and pit pattern analysis using magnifying chromoendoscopy in estimating early colorectal cancer invasion depth and to assess interobserver agreement...
  28. doi request reprint What is the accuracy of autofluorescence imaging in identifying non-polypoid colorectal neoplastic lesions when reviewed by trainees? A pilot study
    Tomoyuki Odagaki
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 25:428-33. 2013
    ..The aim of the present pilot study was to compare an autofluorescence imaging (AFI) system with conventional WL colonoscopy for the identification of non-polypoid neoplasms by trainees in a colonoscopic observational situation...
  29. doi request reprint Risk factors for lymphatic and venous involvement in endoscopically resected gastric cancer
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol 48:706-12. 2013
    ....
  30. ncbi request reprint Repeatedly recurrent colon cancer involving the appendiceal orifice after endoscopic piecemeal mucosal resection: a case report
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Korean J Gastroenterol 61:286-9. 2013
    ..This case is important in considering indication for endoscopic resection in colorectal tumors involving the appendiceal orifice...
  31. ncbi request reprint Diagnosis of depth of invasion for early colorectal cancer using magnifying colonoscopy
    Hisatomo Ikehara
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 25:905-12. 2010
    ..m.-d.) invasion should not be treated with endoscopic mucosal resection due to the higher incidence of lymph-node metastasis. It is, therefore, clinically important to accurately diagnose s.m.-d. lesions before treatment...
  32. pmc Dehiscence following successful endoscopic closure of gastric perforation during endoscopic submucosal dissection
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, Tokyo 104 0045, Japan
    World J Gastroenterol 18:4224-7. 2012
    ..Intensive conservative management was conducted following ESD, however, an endoscopic examination five days after ESD revealed dehiscence of the perforation requiring an emergency laparotomy...
  33. doi request reprint Transcutaneous monitoring of partial pressure of carbon dioxide during endoscopic submucosal dissection of early colorectal neoplasia with carbon dioxide insufflation: a prospective study
    Tsuyoshi Kikuchi
    Endoscopy Division, National Cancer Center Hospital, Chuo Ku, Tokyo, 104 0045, Japan
    Surg Endosc 24:2231-5. 2010
    ..This study aimed to monitor CO(2) before, during, and after ESD to investigate whether CO(2) insufflation is safe for patients receiving a lengthy ESD of early colorectal neoplasia under conscious sedation...
  34. doi request reprint Endoscopic submucosal resection with a ligation device is an effective and safe treatment for carcinoid tumors in the lower rectum
    Yumi Mashimo
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 23:218-21. 2008
    ..The aim of the present study was to clarify the clinical usefulness of a novel technique named endoscopic submucosal resection with a ligation device (ESMR-L) in a large number of rectal carcinoid tumors...
  35. doi request reprint Risk factors for delayed bleeding after endoscopic resection for large colorectal tumors
    Minori Matsumoto
    Endoscopy Division, National Cancer Center Hospital, and Department of Endoscopy, The Jikei University School of Medicine, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Jpn J Clin Oncol 42:1028-34. 2012
    ..Endoscopic submucosal dissection cases were excluded because of the low incidence of delayed bleeding after such procedures...
  36. doi request reprint Treatment strategy for laterally spreading tumors in Japan: before and after the introduction of endoscopic submucosal dissection
    Nozomu Kobayashi
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 24:1387-92. 2009
    ....
  37. doi request reprint Risk of lymph node metastasis in patients with pedunculated type early invasive colorectal cancer: a retrospective multicenter study
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Cancer Sci 102:1693-7. 2011
    ..2% (8/129) in patients with stalk invasion. Pedunculated type early invasive colorectal cancers pathologically diagnosed as head invasion can be managed by endoscopic treatment alone...
  38. doi request reprint Safety of carbon dioxide insufflation for upper gastrointestinal tract endoscopic treatment of patients under deep sedation
    Satoru Nonaka
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo, 104 0045, Japan
    Surg Endosc 24:1638-45. 2010
    ..This study aimed to investigate the safety of CO(2) insufflation used for esophageal and gastric endoscopic submucosal dissection (ESD) in patients under deep sedation...
  39. doi request reprint Comparing endoscopic submucosal dissection with transanal resection for non-invasive rectal tumor: a retrospective study
    Shinsuke Kiriyama
    Endoscopy Division, National Cancer Center Hospital, Chuo Ku, Tokyo, Japan
    J Gastroenterol Hepatol 26:1028-33. 2011
    ..The purpose of this study is to compare the clinical efficacy between ESD and TAR for non-invasive rectal tumors...
  40. pmc Dome-type carcinoma of the colon; a rare variant of adenocarcinoma resembling a submucosal tumor: a case report
    Masayoshi Yamada
    Pathology Division, National Cancer Center Hospital, Tokyo, Japan
    BMC Gastroenterol 12:21. 2012
    ..Most of the previously reported cases were early lesions and no endoscopic observations have been described so far. We herein report a case of a DC invading the subserosal layer, including endoscopic findings...
  41. doi request reprint Does autofluorescence imaging videoendoscopy system improve the colonoscopic polyp detection rate?--a pilot study
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Am J Gastroenterol 103:1926-32. 2008
    ..The aim of this pilot study was to evaluate whether a newly developed autofluorescence imaging (AFI) system can detect more colorectal polyps than WL...
  42. pmc Assessment of the validity of the clinical pathway for colon endoscopic submucosal dissection
    Takaya Aoki
    Endoscopy Division, National Cancer Center Hospital, Tokyo 104 0045, Japan
    World J Gastroenterol 18:3721-6. 2012
    ..To determine the effective hospitalization period as the clinical pathway to prepare patients for endoscopic submucosal dissection (ESD)...
  43. doi request reprint Time saving with narrow-band imaging for distinguishing between neoplastic and non-neoplastic small colorectal lesions
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 27:351-5. 2012
    ..However, the time-saving aspects of NBI techniques have not been assessed. The present study compared interpretation times between NBI and MCE techniques in distinguishing between neoplastic and non-neoplastic small colorectal lesions...
  44. doi request reprint Prevalence and clinicopathological features of nonpolypoid colorectal neoplasms: should we pay more attention to identifying flat and depressed lesions?
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 22:S57-62. 2010
    ..It has also been suggested that they may follow a different carcinogenic pathway to flat elevated or protruding adenomas. This paper summarizes recent data of nonpolypoid colorectal neoplasms from Western and Asian countries...
  45. doi request reprint Treatment strategy for recurrent or residual colorectal tumors after endoscopic resection
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo, 104 0045, Japan
    Surg Endosc 25:255-60. 2011
    ..We evaluated salvage therapy for the treatment of recurrent or residual tumors, and propose an endoscopic treatment strategy for these tumors...
  46. doi request reprint Narrow-band imaging endoscopy with magnification is useful for detecting metachronous superficial pharyngeal cancer in patients with esophageal squamous cell carcinoma
    Satoru Nonaka
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 25:264-9. 2010
    ....
  47. pmc Size does not determine the grade of malignancy of early invasive colorectal cancer
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    World J Gastroenterol 15:2708-13. 2009
    ..To clarify the clinicopathological characteristics of small and large early invasive colorectal cancers (EI-CRCs), and to determine whether malignancy grade depends on size...
  48. ncbi request reprint A pilot study to assess the safety and efficacy of carbon dioxide insufflation during colorectal endoscopic submucosal dissection with the patient under conscious sedation
    Yutaka Saito
    Division of Endoscopy, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastrointest Endosc 65:537-42. 2007
    ..The safety and efficacy of carbon dioxide (CO(2)) insufflation during colonoscopy already has been assessed in some trials...
  49. ncbi request reprint Effectiveness of glycerol as a submucosal injection for EMR
    Toshio Uraoka
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 61:736-40. 2005
    ..It is thought, however, that NS does not maintain the proper mucosal elevation for EMR of large, flat lesions. We investigated the efficacy of glycerol as the submucosal injection solution...
  50. ncbi request reprint A novel extra-wide-angle-view colonoscope: a simulated pilot study using anatomic colorectal models
    Toshio Uraoka
    Division of Research and Development for Minimally Invasive Treatment, Cancer Center, School of Medicine, Keio University, Tokyo, Japan
    Gastrointest Endosc 77:480-3. 2013
    ..A major factor that may contribute to a higher adenoma miss rate during colonoscopy is undetected lesions located behind haustral folds, flexures, or rectal valves...
  51. doi request reprint New closure technique for large mucosal defects after endoscopic submucosal dissection of colorectal tumors (with video)
    Yosuke Otake
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 75:663-7. 2012
    ..Various closure devices and methods have been developed for large mucosal defects to prevent such complications...
  52. ncbi request reprint Further validation of magnifying chromocolonoscopy for differentiating colorectal neoplastic polyps in a health screening center
    Fabian Emura
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 22:1722-7. 2007
    ..This study aimed to further validate the effectiveness of magnifying chromocolonoscopy in the diagnosis of neoplastic colorectal polyps in a screening center...
  53. pmc Narrow-band imaging optical chromocolonoscopy: advantages and limitations
    Fabian Emura
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo, Japan
    World J Gastroenterol 14:4867-72. 2008
    ....
  54. doi request reprint Evaluation of visualization of squamous cell carcinoma of esophagus and pharynx using an autofluorescence imaging videoendoscope system
    Haruhisa Suzuki
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    J Gastroenterol Hepatol 24:1834-9. 2009
    ..Our aim was to evaluate visualization of esophageal and pharyngeal SCC comparing AFI with white light endoscopy (WLE)...
  55. ncbi request reprint Risk of recurrent gastric cancer after endoscopic resection with a positive lateral margin
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Endoscopy 46:273-8. 2014
    ..This study aimed to examine risk factors for recurrent cancer based on the long-term clinical outcomes after noncurative ESD in which the only noncurative factor was a cancer-positive lateral margin...
  56. pmc Recurrent advanced colonic cancer occurring 11 years after initial endoscopic piecemeal resection: a case report
    Takayoshi Kishino
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    BMC Gastroenterol 10:87. 2010
    ..We report a rare case of recurrent advanced colonic cancer diagnosed 11 years after initial EPMR treatment...
  57. doi request reprint How often should we perform surveillance colonoscopy after surgery for colorectal cancer?
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo, 104 0045, Japan
    Int J Colorectal Dis 28:835-40. 2013
    ..This study aimed to clarify the current timing of surveillance colonoscopies and evaluate the rates of local recurrence and metachronous tumors...
  58. doi request reprint Safety and efficacy of colorectal endoscopic submucosal dissection in elders: clinical and follow-up outcomes
    Naoto Tamai
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Int J Colorectal Dis 27:1493-9. 2012
    ..The aim of this study is to describe the clinical outcomes of colorectal ESD in elderly patients...
  59. doi request reprint Current status in the occurrence of postoperative bleeding, perforation and residual/local recurrence during colonoscopic treatment in Japan
    Shiro Oka
    Japanese Society for Cancer of the Colon and Rectum, Tokyo, Japan
    Dig Endosc 22:376-80. 2010
    ....
  60. pmc Endoscopic submucosal dissection for large laterally spreading tumors involving the ileocecal valve and terminal ileum
    Gustavo Kishimoto
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    World J Gastroenterol 18:291-4. 2012
    ..The procedures, using a bipolar needle knife (B-Knife) to reduce the perforation risk and carbon dioxide instead of conventional air insufflation for patient comfort, achieved curative resections without any complications...
  61. doi request reprint Learning curve associated with colorectal endoscopic submucosal dissection for endoscopists experienced in gastric endoscopic submucosal dissection
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dis Colon Rectum 54:1307-12. 2011
    ..Greater understanding of the procedural learning curve is required to standardize training and to achieve wider acceptance of this procedure...
  62. doi request reprint Local recurrence and surveillance after endoscopic resection of large colorectal tumors
    Kinichi Hotta
    Department of Gastroenterology, Saku Central Hospital, Saku, Nagano, Japan
    Dig Endosc 22:S63-8. 2010
    ..An appropriate surveillance interval after EPMR was still controversial, and recommendations of some guidelines ranged from 2 to 9 months. In order to determine the appropriate interval, a randomized controlled study is necessary...
  63. doi request reprint Current status of endoscopic resection strategy for large, early colorectal neoplasia in Japan
    Takeshi Nakajima
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Surg Endosc 27:3262-70. 2013
    ....
  64. doi request reprint Colorectal endoscopic submucosal dissection: Technical advantages compared to endoscopic mucosal resection and minimally invasive surgery
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 26:52-61. 2014
    ..Herein, we highlight the most recent developments and technical advantages of colorectal ESD compared to EMR and minimally invasive surgery...
  65. doi request reprint Long-term outcome of endoscopic resection of superficial adenocarcinoma of the esophagogastric junction
    Masayoshi Yamada
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Endoscopy 45:992-6. 2013
    ..The aim of the present study was to report the long-term follow-up and outcomes of endoscopic submucosal dissection (ESD), a representative endoscopic resection method, for the management of superficial AEGJ...
  66. ncbi request reprint Solitary metastatic colon cancer showing a small depressed configuration
    Hidetsugu Yamagishi
    Endoscopy Division, National Cancer Center Hospital, Japan
    Intern Med 51:2321-4. 2012
    ..In the present case, however, endoscopy and a histological examination revealed alterations in the mucosal configuration of the lesion, which were unusual for early colon cancer...
  67. pmc Small invasive colon cancer with systemic metastasis: a case report
    Minori Matsumoto
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    BMC Gastroenterol 11:59. 2011
    ..We report a case of aggressive colon cancer resulting in systemic metastasis despite small tumour size...
  68. doi request reprint Predictive factors of local recurrence after endoscopic piecemeal mucosal resection
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo, Japan
    J Gastroenterol 47:635-40. 2012
    ..However, as it is associated with a significant recurrence rate, the technique remains controversial. The purpose of our study was to evaluate the risk factors for the local recurrence of colorectal neoplasms after EPMR...
  69. ncbi request reprint Complete closure of a large defect after EMR of a lateral spreading colorectal tumor when using a two-channel colonoscope
    Takahisa Matsuda
    Gastrointestinal Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 60:836-8. 2004
  70. doi request reprint A retrospective study of 5-year outcomes of radiotherapy for gastric mucosa-associated lymphoid tissue lymphoma refractory to Helicobacter pylori eradication therapy
    Seiichiro Abe
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Jpn J Clin Oncol 43:917-22. 2013
    ..The aim of this retrospective study was to evaluate the long-term outcomes of radiotherapy for localized gastric mucosa-associated lymphoid tissue lymphoma refractory to Helicobacter pylori eradication...
  71. pmc Pilot study on clinical effectiveness of autofluorescence imaging for early gastric cancer diagnosis by less experienced endoscopists
    Kazuhiro Tada
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Diagn Ther Endosc 2011:419136. 2011
    ..AFI improved sensitivity of endoscopic diagnosis of neoplastic lesions by less experienced endoscopists, and its use could beneficially enhance the clinical effectiveness of EGC screening...
  72. doi request reprint Effect of orally administered bovine lactoferrin on the growth of adenomatous colorectal polyps in a randomized, placebo-controlled clinical trial
    Takahiro Kozu
    Cancer Screening Division, National Cancer Center, Research Center for Cancer Prevention and Screening, Tokyo, Japan
    Cancer Prev Res (Phila) 2:975-83. 2009
    ..Our study suggests that daily intake of 3.0 g of bLF could be a clinically beneficial adjunct to colorectal polyp extraction...
  73. pmc Effectiveness of narrow-band imaging magnification for invasion depth in early colorectal cancer
    Masakatsu Fukuzawa
    Division of Endoscopy, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 1040045, Japan
    World J Gastroenterol 16:1727-34. 2010
    ..To evaluate the surface microvascular patterns of early colorectal cancer (ECC) using narrow-band imaging (NBI) with magnification and its effectiveness for invasion depth diagnosis...
  74. pmc Cost-effectiveness of total colonoscopy in screening of colorectal cancer in Japan
    Masau Sekiguchi
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastroenterol Res Pract 2012:728454. 2012
    ..The cost was higher using TCS as a primary screening procedure. However, the difference was not excessive, and considering the increased rate of detecting earlier CRC, the use of TCS as a primary screening tool may be cost-effective...
  75. ncbi request reprint Assessment of likelihood of submucosal invasion in non-polypoid colorectal neoplasms
    Takahisa Matsuda
    Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    Gastrointest Endosc Clin N Am 20:487-96. 2010
    ....
  76. ncbi request reprint Minute depressed-type submucosal invasive cancer-5 mm in diameter with intermediate lymph-node metastasis: report of a case
    Takeshi Nakajima
    Endoscopy Division 1 1, National Cancer Center Hospital, Tsukiji 5 chome, Chuo Ku, 104 0045, Tokyo, Japan
    Dis Colon Rectum 50:677-81. 2007
    ....
  77. doi request reprint Local recurrence after endoscopic resection of colorectal tumors
    Kinichi Hotta
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Int J Colorectal Dis 24:225-30. 2009
    ..The aim of the present study was to determine local recurrence rates following en-bloc and piecemeal endoscopic resection and establish appropriate surveillance colonoscopy intervals based on retrospective analysis of local recurrences...
  78. doi request reprint Impact of narrow-band imaging in screening colonoscopy
    Toshio Uraoka
    Department of Endoscopy, Okayama University Hospital, Tokyo, Japan
    Dig Endosc 22:S54-6. 2010
    ..Adequate bowel preparation is another important consideration...
  79. doi request reprint Endoscopic submucosal dissection of recurrent or residual superficial esophageal cancer after chemoradiotherapy
    Yutaka Saito
    Division of Endoscopy, National Cancer Center Hospital, Chuo Ku, Tokyo, Japan
    Gastrointest Endosc 67:355-9. 2008
    ..Treatment of local recurrent or residual superficial esophageal squamous-cell carcinoma (SCC) with conventional EMR often results in a piecemeal resection that requires further intervention...
  80. doi request reprint Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines 2010 for the treatment of colorectal cancer
    Toshiaki Watanabe
    Department of Surgery, Teikyo University School of Medicine, 2 11 1 Kaga, Itabashi ku, Tokyo, 173 8605, Japan
    Int J Clin Oncol 17:1-29. 2012
    ..Here we present the English version of the JSCCR Guidelines 2010...
  81. doi request reprint Efficacy of endoscopic mucosal resection with circumferential incision for patients with large colorectal tumors
    Taku Sakamoto
    Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan
    Clin Gastroenterol Hepatol 10:22-6. 2012
    ..We evaluated the efficacy of EMR with circumferential incision (CEMR)...
  82. pmc Endoscopic diagnosis of cytomegalovirus gastritis after allogeneic hematopoietic stem cell transplantation
    Yasuo Kakugawa
    Division of Endoscopy, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    World J Gastroenterol 16:2907-12. 2010
    ..To clarify the endoscopic and clinical findings of cytomegalovirus (CMV) gastritis after allogeneic hematopoietic stem cell transplantation (allo-SCT)...
  83. ncbi request reprint [Recent progress in endoscopic treatment for colorectal tumors]
    Yutaka Saito
    Endoscopy Division, National Cancer Center Hospital
    Nihon Rinsho 68:1295-306. 2010
    ..Endoscopic submucosal dissection (ESD) is widespread as a minimally invasive treatment for early gastric cancer, however, it is not as widely used in the colorectum because of its technical difficulty and complication risk...
  84. pmc New reduced volume preparation regimen in colon capsule endoscopy
    Yasuo Kakugawa
    Division of Screening Technology and Development, Research Center for Cancer Prevention and Screening, National Cancer Center, Tokyo 104 0045, Japan
    World J Gastroenterol 18:2092-8. 2012
    ..To evaluate the effectiveness of our proposed bowel preparation method for colon capsule endoscopy...
  85. doi request reprint A multicenter, prospective trial of total colonoscopy using a short double-balloon endoscope in patients with previous incomplete colonoscopy
    Kinichi Hotta
    Department of Gastroenterology, Saku Central Hospital, Saku, Japan
    Gastrointest Endosc 75:813-8. 2012
    ..There is no specific insertion method for patients who previously underwent an incomplete colonoscopy. No multicenter prospective study using a double-balloon endoscope (DBE) for total colonoscopy was previously performed...
  86. pmc Endoscopic ultrasound using ultrasound probes for the diagnosis of early esophageal and gastric cancers
    Shigetaka Yoshinaga
    Shigetaka Yoshinaga, Ichiro Oda, Satoru Nonaka, Yutaka Saito, Endoscopy Division, National Cancer Center Hospital, 5 1 1 Tsukiji, Chuo Ku, Tokyo 104 0045, Japan
    World J Gastrointest Endosc 4:218-26. 2012
    ..Although EUS using high-frequency ultrasound probes has limitations, it has a high depth of invasion accuracy and is a useful procedure to distinguish lesions in the esophagus and stomach that are indicated for endoscopic resection...
  87. doi request reprint Efficacy and safety of 1-step transnasal endoscopic nasobiliary drainage for the treatment of acute cholangitis in patients with previous endoscopic sphincterotomy (with videos)
    Takao Itoi
    Department Gastroenterology and Hepatology, National Cancer Center, Tokyo, Japan
    Gastrointest Endosc 68:84-90. 2008
    ..Endoscopic nasobiliary drainage (NBD) for the treatment of acute cholangitis is an accepted method. A recently developed ultrathin transnasal videoendoscope is minimally invasive, even for patients who are critically ill...
  88. ncbi request reprint Plasma concentrations of VCAM-1 and PAI-1: a predictive biomarker for post-operative recurrence in colorectal cancer
    Yasuhide Yamada
    Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
    Cancer Sci 101:1886-90. 2010
    ....
  89. doi request reprint Endoscopic submucosal dissection of a large laterally spreading tumor in the rectum is a minimally invasive treatment
    Kendi Yamazaki
    Division of Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    Clin Gastroenterol Hepatol 6:e5-6. 2008
  90. doi request reprint Comparative evaluation of endoscopic factors from conventional colonoscopy and narrow-band imaging of colorectal lesions
    Hiroaki Ikematsu
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
    Dig Endosc 23:95-100. 2011
    ..Narrow-band imaging (NBI) diagnosis of colorectal lesions requires further consideration and standardized classification for attaining consensus among endoscopists...
  91. doi request reprint Current opinions for endoscopic submucosal dissection for colorectal tumors from our experiences: indications, technical aspects and complications
    Kinichi Hotta
    Division of Endoscopy and Gastrointestinal Oncology, Shizuoka, Japan
    Dig Endosc 24:110-6. 2012
    ..5 min for 40.5 mm specimens. Perforation and delayed bleeding occurred in 2.1% and 1.4%, respectively. We successfully performed ESD for colorectal tumors with a shortened procedure time while preserving quality and safety...
  92. doi request reprint Role of endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) for diagnosis of solid pancreatic masses
    Shigetaka Yoshinaga
    Endoscopic Division, National Cancer Center Hospital, Tokyo, Japan
    Dig Endosc 23:29-33. 2011
    ..Further research is encouraged to optimize the EUS-FNA procedure to reach its maximum diagnostic yield for solid pancreatic masses...
  93. doi request reprint Matched case-control study comparing endoscopic submucosal dissection and endoscopic mucosal resection for colorectal tumors
    Nozomu Kobayashi
    Department of Diagnostic Imaging, Tochigi Cancer Center, Utsunomiya, Tochigi, Japan
    J Gastroenterol Hepatol 27:728-33. 2012
    ..We conducted a matched case-control study between ESD and EMR to clarify the effectiveness of ESD for colorectal tumors...
  94. ncbi request reprint Endoscopic submucosal resection of rectal carcinoid tumors with a ligation device
    Akiko Ono
    Department of Gastroenterology and Endoscopy, National Cancer Center Hospital, Tokyo, Japan
    Gastrointest Endosc 57:583-7. 2003
    ..The efficacy of resection of these tumors with endoscopic submucosal resection with a ligation device (ESMR-L) was evaluated...
  95. ncbi request reprint Effect of carboxyl-group of D-glutamic acid or gamma-carboxy-D-glutamic acid as N-terminal amino acid of (111)in-diethylenetriaminepentaacetic acid-octreotide on accumulation of radioactivity in kidney
    Hiromichi Akizawa
    Graduate School of Pharmaceutical Sciences, Chiba University, Chuo Ku, Chiba, Japan
    Biol Pharm Bull 30:2226-8. 2007
    ..The present result can be a clue for the development of (111)In-DTPA-octreotides with reduced the renal radio-accumulation...
  96. ncbi request reprint Habitual intake of lactic acid bacteria and risk reduction of bladder cancer
    Yasuo Ohashi
    School of Health Sciences and Nursing, University of Tokyo, Tokyo, Japan
    Urol Int 68:273-80. 2002
    ..So, to assess the preventive effect of the intake of L. casei, widely taken as fermented milk products in Japan, against bladder cancer, we conducted a case-control study...
  97. ncbi request reprint Staging of early colorectal cancers: magnifying colonoscopy versus endoscopic ultrasonography for estimation of depth of invasion
    Kuang I Fu
    Department of Radiology, Dokkyo Medical University, 880 Kitakobayashi, Mibu, Shimotuga, Tochigi 321 0293, Japan
    Dig Dis Sci 53:1886-92. 2008
    ..This study was conducted to compare the diagnostic accuracies of magnifying colonoscopy and endoscopic ultrasonography (EUS) for estimating the depth of invasion of early CRCs...
  98. ncbi request reprint Thin endoscope-assisted endoscopic submucosal dissection for large colorectal tumors (with videos)
    Toshio Uraoka
    Department of Gastroenterology and Hepatology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
    Gastrointest Endosc 66:836-9. 2007
    ..Colorectal ESD is technically more difficult, however, and there is an increased risk of complications such as perforation and bleeding compared with gastric ESD. As a result, further refinements are required in this procedure...
  99. ncbi request reprint Effect of autologous bone-marrow cell transplantation on ischemic ulcer in patients with Buerger's disease
    Yutaka Saito
    Department of Internal Medicine, Division of Cardio Vascular Medicine, Kurume University School of Medicine, Japan
    Circ J 71:1187-92. 2007
    ..The present study focused on the patients with Buerger's disease presenting with rest pain and/or skin ulcer uncontrolled by conventional treatments...
  100. ncbi request reprint A new sinker-assisted endoscopic submucosal dissection for colorectal cancer
    Yutaka Saito
    Gastrointest Endosc 62:297-301. 2005
    ..Thus, a noninvasive tool that facilitates the direct visualization of the submucosal layer is needed...