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1. A Polypoid Lesion in the Stomach: Atypical Endoscopic Appearance and a Rare Cause
by Tomizawa, Y
AMERICAN JOURNAL OF GASTROENTEROLOGY, ISSN 0002-9270, 10/2015, Volume 110, Issue 10, pp. 1395 - 1395
GASTROENTEROLOGY & HEPATOLOGY
Journal Article
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2. Full Text Assessment of the diagnostic performance and interobserver variability of endocytoscopy in Barrett’s esophagus: A pilotex-vivostudy
by Tomizawa, Yutaka
World Journal of Gastroenterology, ISSN 1007-9327, 2013, Volume 19, Issue 46, p. 8652
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3. Full Text 377 Clinical Outcome of Endoscopic Mucosal Resection (EMR) of Sporadic, Non-Ampullary Duodenal Adenoma (SNADA) : Predictor Analysis of Safety and Efficacy From a High Volume U.S. Tertiary Referral Center
by Tomizawa, Yutaka and Ginsberg, Gregory G
Gastrointestinal Endoscopy, ISSN 0016-5107, 2017, Volume 85, Issue 5, pp. AB72 - AB72
Gastroenterology and Hepatology
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4. Full Text 377 Clinical Outcome of Endoscopic Mucosal Resection : Predictor Analysis of Safety and Efficacy From a High Volume U.S. Tertiary Referral Center
by Tomizawa, Yutaka and Ginsberg, Gregory G
Gastrointestinal Endoscopy, ISSN 0016-5107, 05/2017, Volume 85, Issue 5, p. AB72
Surgery | Electronic records
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5. Full Text Sa1277 POEM AS SALVAGE THERAPY FOR ACHALASIA AFTER FAILED ENDOSCOPIC OR SURGICAL THERAPY IS TECHNICALLY FEASIBLE AND SAFE - A SYSTEMATIC REVIEW AND META-ANALYSIS
by Hashimoto, Rintaro and Sakuraba, Atsushi and Tomizawa, Yutaka
Gastrointestinal Endoscopy, ISSN 0016-5107, 06/2019, Volume 89, Issue 6, pp. AB201 - AB201
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6. Full Text Su1121 ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) AS A SALVAGE THERAPY FOR PATIENTS WITH RECURRECE OR PROGRESSION OF BARRETT’S ESOPHAGUS (BE) RELATED EARLY NEOPLASIA AFTER STANDARD ENDOSCOPIC MANAGEMENT IS FEASIBLE AND SAFE : A US MULTI-CENTER STUDY
by Tomizawa, Yutaka and Friedland, Shai and Hwang, Joo Ha
Gastrointestinal Endoscopy, ISSN 0016-5107, 06/2018, Volume 87, Issue 6, pp. AB281 - AB282
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7. Full Text Su1121 ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) AS A SALVAGE THERAPY FOR PATIENTS WITH RECURRECE OR PROGRESSION OF BARRETT’S ESOPHAGUS (BE) RELATED EARLY NEOPLASIA AFTER STANDARD ENDOSCOPIC MANAGEMENT IS FEASIBLE AND SAFE : A US MULTI-CENTER STUDY
by Tomizawa, Yutaka and Friedland, Shai and Hwang, Joo Ha
Gastrointestinal Endoscopy, ISSN 0016-5107, 06/2018, Volume 87, Issue 6, pp. AB281 - AB282
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8. Image of the Month. A polypoid lesion in the stomach: atypical endoscopic appearance and a rare cause
by Tomizawa, Yutaka
The American journal of gastroenterology, 10/2015, Volume 110, Issue 10, p. 1395
Carcinoma, Renal Cell - secondary | Humans | Polyps - pathology | Kidney Neoplasms - pathology | Male | Aged | Stomach Neoplasms - secondary
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9. Full Text Acute Colonic Pseudo-obstruction (Ogilvie's Syndrome) Mimicking Pneumoperitoneum
by Tomizawa, Yutaka
Internal Medicine, ISSN 0918-2918, 2013, Volume 52, Issue 21, pp. 2477 - 2478
colonic pseudo-obstruction | pneumoperitoneum | Ogilvie's syndrome | Pneumoperitoneum | Colonic pseudo-obstruction | MEDICINE, GENERAL & INTERNAL | Acute Disease | Diagnosis, Differential | Pneumoperitoneum - diagnosis | Humans | Aged, 80 and over | Colonic Pseudo-Obstruction - diagnostic imaging | Female | Tomography, X-Ray Computed | Colonic Pseudo-Obstruction - diagnosis | Colonic Pseudo-Obstruction - surgery | Decompression, Surgical
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10. Incidence of Advanced Colorectal Neoplasia in Individuals With Untreated Diminutive Colorectal Adenomas Diagnosed by Magnifying Image-Enhanced Endoscopy
by Sekiguchi, M and Otake, Y and Kakugawa, Y and Matsumoto, M and Tomizawa, Y and Saito, Y and Matsuda, T
AMERICAN JOURNAL OF GASTROENTEROLOGY, ISSN 0002-9270, 06/2019, Volume 114, Issue 6, pp. 964 - 973
OBJECTIVES:Because of the increasing number of detected diminutive colorectal adenomas, the diagnose-and-do-not-resect approach has recently attracted... 
DIFFERENTIAL-DIAGNOSIS | UNRESECTED POLYPS | COLONOSCOPY SURVEILLANCE | POLYPECTOMY | PIT PATTERN | NATURAL-HISTORY | GASTROENTEROLOGY & HEPATOLOGY | COLON CAPSULE ENDOSCOPY | EUROPEAN-SOCIETY | CANCER | LESIONS
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11. Full Text 100-Gb/s optical transport network and beyond employing digital signal processing
by Yamazaki, E and Tomizawa, M and Miyamoto, Y
IEEE Communications Magazine, ISSN 0163-6804, 02/2012, Volume 50, Issue 2, pp. s43 - s49
We overview the requirements and the enabling technologies for optical transmission systems up to 100 Gb/s and beyond. Polarization- division multiplexed... 
Optical fibers | Adaptive optics | Optical receivers | Optical noise | Optical signal processing | Signal to noise ratio | TELECOMMUNICATIONS | ENGINEERING, ELECTRICAL & ELECTRONIC | Signal processing | Optical communications | Research | Multiplexing | Pilots | Compensation | Coherence | Digital | Division | Transport | Channels
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12. Full Text An Unusual Cause of Abdominal Pain
by Baxi, Anand C and Swanson, Paul E and Tomizawa, Yutaka
Gastroenterology, ISSN 0016-5085, 04/2019, Volume 157, Issue 6, pp. 1490 - 1491
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13. A rare cause of diarrhea and weight loss
by Tomizawa, Yutaka and Zhao, Lei
American Journal of Gastroenterology, ISSN 0002-9270, 11/2015, Volume 110, Issue 11, pp. 1534 - 1534
GASTROENTEROLOGY & HEPATOLOGY | Duodenal Diseases - pathology | Amyloidosis - pathology | Biopsy | Weight Loss | Duodenum - pathology | Humans | Middle Aged | Diarrhea - etiology | Female | Amyloidosis - complications | Duodenal Diseases - complications
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14. Full Text Prognostic value of programmed death‐ligand 1 expression in patients with stage III colorectal cancer
by Koganemaru, Shigehiro and Inoshita, Naoko and Miura, Yuji and Miyama, Yu and Fukui, Yudai and Ozaki, Yukinori and Tomizawa, Kenji and Hanaoka, Yutaka and Toda, Shigeo and Suyama, Koichi and Tanabe, Yuko and Moriyama, Jin and Fujii, Takeshi and Matoba, Shuichiro and Kuroyanagi, Hiroya and Takano, Toshimi
Cancer Science, ISSN 1347-9032, 05/2017, Volume 108, Issue 5, pp. 853 - 858
The programmed death‐1/programmed death‐ligand 1 (PD‐L1) pathway is a negative feedback pathway that suppresses the activity of T cells. Previous studies... 
colonic neoplasms | immune microenvironment | immunohistochemistry | CD8‐positive T‐lymphocytes | tumor infiltrating mononuclear cells | CD8-positive T-lymphocytes | SURVIVAL | PD-L1 EXPRESSION | MICROSATELLITE INSTABILITY | TUMOR-INFILTRATING LYMPHOCYTES | CELL LUNG-CANCER | COLON-CANCER | TRIAL | ONCOLOGY | B7-H1 | CARCINOMA | T-CELLS | Immunohistochemistry - methods | Disease-Free Survival | B7-H1 Antigen - metabolism | Prognosis | Lymphocytes, Tumor-Infiltrating - pathology | Humans | Lymphocytes, Tumor-Infiltrating - metabolism | Tumor Microenvironment - physiology | Colorectal Neoplasms - pathology | Colorectal Neoplasms - metabolism | Immunohistochemistry | Medical research | Cancer patients | Care and treatment | Colorectal cancer | Medicine, Experimental | T cells | Cell survival | Tumor cells | Research funding | Cloning | Colorectal carcinoma | Leukocytes (mononuclear) | Lymphocytes T | Radiation therapy | Patients | Cancer therapies | Studies | Survival analysis | Chemotherapy | Lymphocytes | Medical prognosis | Surgery | Ligands | Death | Apoptosis | Cancer | Original
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15. Full Text Altered Bowel Movements: A Rare Rectal Lesion
by Tomizawa, Yutaka and Alpert, Lindsay and Siddiqui, Uzma D
Gastroenterology, ISSN 0016-5085, 2016, Volume 150, Issue 5, pp. 1092 - 1093
Gastroenterology and Hepatology | Stomach | Endosonography | Rectum - pathology | Diarrhea - physiopathology | Humans | Middle Aged | Male | Choristoma - diagnosis | Rectal Diseases - surgery | Rectal Diseases - complications | Rectum - physiopathology | Biopsy | Colonoscopy | Choristoma - complications | Diarrhea - etiology | Rectum - surgery | Choristoma - surgery | Defecation | Rectal Diseases - diagnosis
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16. Full Text Mo1061 Characteristics of Recurrent GI Bleeding in Patients With Continuous-Flow Left Ventricular Assist Devices
by Tomizawa, Yutaka and Tanaka, Akiko and Ota, Takeyoshi
Gastrointestinal Endoscopy, ISSN 0016-5107, 2016, Volume 83, Issue 5, pp. AB447 - AB447
Gastroenterology and Hepatology | Relapse | Care and treatment | Diseases
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17. Full Text Photodynamic Therapy for Unresectable Cholangiocarcinoma
by Tomizawa, Yutaka and Tomizawa, Yutaka and Tian, Jianmin and Tian, Jianmin
Digestive Diseases and Sciences, ISSN 0163-2116, 2/2012, Volume 57, Issue 2, pp. 274 - 283
Cholangiocarcinoma (CC) is a rare primary malignancy of the biliary tract with a dismal prognosis. Curative resection can only be applied to a small proportion... 
Biochemistry, general | Photodynamic therapy | Medicine & Public Health | Biliary tract cancer | Hepatology | Gastroenterology | Oncology | Endoprostheses | Cholangiocarcinoma | Transplant Surgery | BILE-DUCT CANCER | SURVIVAL | INTRAHEPATIC CHOLANGIOCARCINOMA | METALLIC STENTS | PHASE-II | ENDOSCOPIC APPLICATION | PALLIATIVE TREATMENT | NONRESECTABLE HILAR CHOLANGIOCARCINOMA | GASTROENTEROLOGY & HEPATOLOGY | CARCINOMA | EPIDEMIOLOGY | Bile Duct Neoplasms - surgery | Photosensitizing Agents - therapeutic use | Humans | Cholangiocarcinoma - mortality | Palliative Care | Treatment Outcome | Bile Duct Neoplasms - classification | Photochemotherapy | Bilirubin - blood | Cholangiocarcinoma - surgery | Cholangiocarcinoma - drug therapy | Bile Duct Neoplasms - mortality | Cholangiocarcinoma - blood | Bile Ducts, Intrahepatic | Dihematoporphyrin Ether - therapeutic use | Bile Duct Neoplasms - blood | Cholangiocarcinoma - classification | Stents | Bile Duct Neoplasms - drug therapy | Care and treatment | Pain | Cancer
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18. Full Text Enhanced Mucosal Imaging and the Esophagus—Ready for Prime Time?
by Tomizawa, Yutaka and Waxman, Irving
Current Gastroenterology Reports, ISSN 1522-8037, 6/2014, Volume 16, Issue 6, pp. 1 - 7
Innovation of endoscopic technology has recently been introduced to improve real-time visualization of mucosal architecture and subepithelial vascular... 
Squamous cell carcinoma | Narrow-band kimaging | High-resolution endoscopy | Chromoendoscopy | Autofluorescence endoscopy | Barrett’s esophagus | Medicine & Public Health | Gastroenterology | Optical coherent tomography | Confocal laser endomicroscopy | i-scan | Esophageal adenocarcinoma | Fujinon intelligent chromoendoscopy | Barrett's esophagus | Fluorescence | Endoscopic surgery | Endoscopy
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19. Full Text Erratum: Photodynamic therapy for unresectable cholangiocarcinoma (Digestive Diseases and Sciences (2012) 57 (274-283))
by Tomizawa, Yutaka and Tian, Jianmin
Digestive Diseases and Sciences, ISSN 0163-2116, 05/2012, Volume 57, Issue 5, p. 1423
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20. Full Text Tu1118 Comparison of Efficacy of Pharmacologic Therapy of Eosinophilic Esophagitis (EoE): A Systematic Review and Network Meta-Analysis
by Tomizawa, Yutaka and Melek, John and Sakuraba, Atsushi
Gastroenterology, ISSN 0016-5085, 2015, Volume 148, Issue 4, pp. S-792 - S-792
Gastroenterology and Hepatology
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