Hiroaki Ikematsu

Summary

Affiliation: National Cancer Center
Country: Japan

Publications

  1. doi request reprint Usefulness of narrow-band imaging with dual-focus magnification for differential diagnosis of small colorectal polyps
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwanoha 6 5 1, Kashiwa, Chiba, 277 8577, Japan
    Surg Endosc 29:844-50. 2015
  2. doi request reprint Follow up after endoscopic resection in submucosal invasive colorectal cancers
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Dig Endosc 25:6-10. 2013
  3. doi request reprint Long-term outcomes after resection for submucosal invasive colorectal cancers
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Gastroenterology 144:551-9; quiz e14. 2013
  4. doi request reprint The impact of narrow band imaging for colon polyp detection: a multicenter randomized controlled trial by tandem colonoscopy
    Hiroaki Ikematsu
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6 5 1 Kashiwanoha, Kashiwa, Chiba 277 8577, Japan
    J Gastroenterol 47:1099-107. 2012
  5. ncbi request reprint Ectopic gastric mucosa in the rectum mimicking an early depressed cancer treated by endoscopic mucosal resection
    H Ikematsu
    National Cancer Center Hospital East NCCHE, Department of Gastrointestinal Oncology and Endoscopy, Chiba, Japan
    Endoscopy 39:E171-2. 2007
  6. 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
  7. doi request reprint A large-scale multicenter study of long-term outcomes after endoscopic resection for submucosal invasive colorectal cancer
    Yusuke Yoda
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Endoscopy 45:718-24. 2013
  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. doi request reprint Treatment strategy for superficial pharyngeal squamous cell carcinoma synchronously combined with esophageal cancer
    Kazuhiro Kaneko
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
    Oncology 84:57-64. 2013
  10. pmc Morphological change of a laterally spreading rectal tumor over a short period
    Hideaki Miyamoto
    Department of Gastroenterology, National Cancer Center Hospital East, Kashiwa City, Chiba, Japan
    BMC Gastroenterol 13:129. 2013

Collaborators

Detail Information

Publications27

  1. doi request reprint Usefulness of narrow-band imaging with dual-focus magnification for differential diagnosis of small colorectal polyps
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwanoha 6 5 1, Kashiwa, Chiba, 277 8577, Japan
    Surg Endosc 29:844-50. 2015
    ....
  2. doi request reprint Follow up after endoscopic resection in submucosal invasive colorectal cancers
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Dig Endosc 25:6-10. 2013
    ..We consider that longer follow up is required for patients with SM-CRC because recurrence occurred relatively later in SM-CRC compared to advanced colorectal cancer...
  3. doi request reprint Long-term outcomes after resection for submucosal invasive colorectal cancers
    Hiroaki Ikematsu
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Gastroenterology 144:551-9; quiz e14. 2013
    ..We performed a retrospective analysis of long-term outcomes of patients treated for submucosal colon and rectal cancer...
  4. doi request reprint The impact of narrow band imaging for colon polyp detection: a multicenter randomized controlled trial by tandem colonoscopy
    Hiroaki Ikematsu
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6 5 1 Kashiwanoha, Kashiwa, Chiba 277 8577, Japan
    J Gastroenterol 47:1099-107. 2012
    ....
  5. ncbi request reprint Ectopic gastric mucosa in the rectum mimicking an early depressed cancer treated by endoscopic mucosal resection
    H Ikematsu
    National Cancer Center Hospital East NCCHE, Department of Gastrointestinal Oncology and Endoscopy, Chiba, Japan
    Endoscopy 39:E171-2. 2007
  6. 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...
  7. doi request reprint A large-scale multicenter study of long-term outcomes after endoscopic resection for submucosal invasive colorectal cancer
    Yusuke Yoda
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwa, Japan
    Endoscopy 45:718-24. 2013
    ..However, the long-term outcomes that these strategies offer are still unclear. The objective of our study was to retrospectively evaluate the long-term outcomes of patients with SM-CRC managed with endoscopic resection...
  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. doi request reprint Treatment strategy for superficial pharyngeal squamous cell carcinoma synchronously combined with esophageal cancer
    Kazuhiro Kaneko
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa, Japan
    Oncology 84:57-64. 2013
    ..Esophageal squamous cell carcinoma (ESCC) is often synchronously accompanied by pharyngeal squamous cell carcinoma (PSCC). However, treatment strategies for these synchronous cancers have not been established...
  10. pmc Morphological change of a laterally spreading rectal tumor over a short period
    Hideaki Miyamoto
    Department of Gastroenterology, National Cancer Center Hospital East, Kashiwa City, Chiba, Japan
    BMC Gastroenterol 13:129. 2013
    ..Large nodules or depressed areas in granular-type LSTs (LST-Gs) are endoscopic findings of a cancerous component and sometimes represent submucosal invasion. However, the lateral growth and development of LST-Gs remains unclear...
  11. doi request reprint Clinicopathological, endoscopic, and molecular characteristics of the "skirt" - a new entity of lesions at the margin of laterally spreading tumors
    Shozo Osera
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
    Endoscopy 48:448-55. 2016
    ..The aim of this study was to evaluate the clinicopathological, endoscopic, and genetic characteristics of a skirt...
  12. doi request reprint Clinicopathological differences of laterally spreading tumors arising in the colon and rectum
    Hideaki Miyamoto
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, 6 5 1, Kashiwanoha, Kashiwa City, Chiba, 277 8577, Japan
    Int J Colorectal Dis 29:1069-75. 2014
    ..Laterally spreading tumors (LST) have been recognized worldwide. The aim of our retrospective study was to evaluate the clinicopathological differences of LST arising in the colon and rectum...
  13. doi request reprint Evaluation of complications related to therapeutic colonoscopy using the bipolar snare
    Tsutomu Saraya
    Department of Gastroenterology and GI Oncology, National Cancer Center Hospital East, Kashiwanoha 6 5 1, Kashiwa, Chiba, 277 8577, Japan
    Surg Endosc 26:533-40. 2012
    ..This study aimed too investigate the incidence of bleeding and perforation associated with the bipolar snare and to identify the risk factors for bleeding...
  14. ncbi request reprint Endoscopic balloon dilatation for benign fibrotic strictures after curative nonsurgical treatment for esophageal cancer
    Yusuke Yoda
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwanoha 6 5 1, Kashiwa, Chiba, 277 8577, Japan
    Surg Endosc 26:2877-83. 2012
    ..The aim of this study was to evaluate the safety and efficacy of EBD for benign strictures after nonsurgical treatment compared with those after surgery...
  15. doi request reprint Early clinical outcomes of anal squamous cell carcinoma treated with concurrent chemoradiotherapy with 5-Fluorouracil plus mitomycin C in Japanese patients: experience at a single institution
    Hironaga Satake
    Department of Gastroenterology and Gastrointestinal Oncology, National Cancer Center Hospital East, 6 5 1, Kashiwanoha, Kashiwa 277 8577, Japan
    Jpn J Clin Oncol 42:861-4. 2012
    ..There was no treatment-related death. Concurrent chemoradiotherapy appears to be tolerable and effective in Japanese patients with anal squamous cell carcinoma...
  16. pmc Prophylactic steroid administration for strictures after endoscopic resection of large superficial esophageal squamous cell carcinoma
    Tomohiro Kadota
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Chiba, Japan Course of Advanced Clinical Research of Cancer, Juntendo University Graduate School of Medicine, Tokyo, Japan
    Endosc Int Open 4:E1267-E1274. 2016
    ..b>Conclusions: Although prophylactic steroid administration is effective to prevent strictures for 7/8 circumference or larger mucosal defects, it is ineffective for whole-circumference defects. Further investigation is required...
  17. doi request reprint Clinical outcome after endoscopic resection for superficial pharyngeal squamous cell carcinoma invading the subepithelial layer
    Hironaga Satake
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
    Endoscopy 47:11-8. 2015
    ..The aim of this study was to evaluate the curative potential of endoscopic resection for SPSCC invading the subepithelial layer...
  18. pmc A laterally-spreading tumor in a colonic interposition treated by endoscopic submucosal dissection
    Hideaki Bando
    Department of Gastrointestinal Oncology and Endoscopy, National Cancer Center Hospital East, Kashiwanoha 6 5 1, Kashiwa, Chiba 277 8577, Japan
    World J Gastroenterol 16:392-4. 2010
    ..The lesion was safely and completely removed en bloc by ESD using a bipolar knife. Histologically, the lesion was an intramucosal moderately differentiated adenocarcinoma in a tubular adenoma...
  19. doi request reprint Peritonitis related to percutaneous endoscopic gastrostomy using the direct method for cancer patients
    Shozo Osera
    Endoscopy Division, Department of Gastroenterology and GI Oncology, National Cancer Center Hospital East, 6 5 1, Kashiwanoha, Kashiwa, 277 8577, Japan
    Surg Endosc 29:2941-6. 2015
    ..However, there are little available data about peritonitis related to this method. The aim of this retrospective analysis was to assess peritonitis related to PEG using the direct method in patients with cancer...
  20. pmc Unexpected endoscopic full-thickness resection of a duodenal neuroendocrine tumor
    Ken Hatogai
    Division of Digestive Endoscopy, Department of Gastroenterology, National Cancer Center Hospital East, Kashiwa City, Chiba 277 8577, Japan
    World J Gastroenterol 19:4267-70. 2013
    ..The blue layer in this case, however, had been created by unplanned injection into the subserosal rather than the submucosal layer. ..
  21. doi request reprint Therapeutic significance of a D-dimer cut-off level of >3 µg/ml in colorectal cancer patients treated with standard chemotherapy plus bevacizumab
    Satoshi Mochizuki
    Division of Digestive Endoscopy and Gastrointestinal Oncology, National Cancer Center Hospital East, 6 5 1 Kashiwanoha, Kashiwa 277 8577 Japan
    Jpn J Clin Oncol 40:933-7. 2010
    ..It is not clear what D-dimer level might indicate an increased risk of venous thromboembolism in the colorectal cancer patients treated with bevacizumab-containing chemotherapy...
  22. ncbi request reprint Relationship between MVD and meshed-capillaries using magnifying NBI colonoscopy in colorectal precursor lesions
    Takahiro Horimatsu
    Division of Digestive Endoscopy Gastrointestinal Oncology, National Cancer Centre Hospital East, Chiba, Japan
    Hepatogastroenterology 56:372-7. 2009
    ....
  23. doi request reprint Endoscopic submucosal resection with a ligation device for the treatment of duodenal neuroendocrine tumors
    Shozo Osera
    Department of Gastroenterology and Gastrointestinal Oncology, Endoscopy Division, National Cancer Center Hospital East, 6 5 1, Kashiwanoha, Kashiwa, 277 8577, Japan
    Surg Endosc 30:3928-32. 2016
    ..This study evaluated the efficacy and safety of ESMR-L for duodenal NETs...
  24. doi request reprint Endoscopic submucosal dissection using a new scissors-type electrosurgical knife: a first-in-human feasibility study
    Tomonori Yano
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Japan
    Endoscopy 46:754-7. 2014
    ..The aim of this study was to evaluate the feasibility of a new scissors-type electrosurgical knife for ESD, which was developed for improved durability and ease of use...
  25. 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...
  26. pmc Hypoxia imaging endoscopy equipped with laser light source from preclinical live animal study to first-in-human subject research
    Kazuhiro Kaneko
    Department of Gastroenterology, Endoscopy Division, National Cancer Center Hospital East, Kashiwa, Chiba, Japan Division of Science and Technology for Endoscopy and Surgery, National Cancer Center Hospital East, Kashiwa, Chiba, Japan
    PLoS ONE 9:e99055. 2014
    ..The hypoxic region of the tumor surface was found in both early cancer and cancer precursors. This technology illustrates a novel aspect of cancer biology as a potential biomarker and can be widely utilized in cancer diagnosis. ..
  27. ncbi request reprint "Watermelon rectum" associated with multiple vascular ectasia in the colon
    Kuangi Fu
    Division of Gastrointestinal Endoscopy and Oncology National Cancer Center Hospital East, Kashiwa, Chiba, and Department of Radiology, Dokkyo Medical University, Mibu, Shimotuga, Tochigi, Japan
    Gastrointest Endosc 66:601-2; discussion 602. 2007