Masashi Hattori

National Hospital Organization — Japan

Medicine · Health Sciences

17h-index938citations92works0.92yr avg
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Research Topics

Gastric Cancer Management and Outcomes(20), Pancreatitis Pathology and Treatment(12), Pancreatic and Hepatic Oncology Research(11), Metastasis and carcinoma case studies(11), Cholangiocarcinoma and Gallbladder Cancer Studies(9)

Publications92 total

Phase II study of FOLFIRI with low-dose irinotecan plus ramucirumab as second-line treatment in Japanese patients with metastatic colorectal cancer (study rindo)
Japanese Journal of Clinical Oncology·2025Open Access
A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis
Scientific Reports·2025Open Access
Phase II study of FOLFIRI with low-dose irinotecan plus ramucirumab as second-line treatment in Japanese patients with metastatic colorectal cancer (Study rindo)
2025Open Access
Phase II study of FOLFIRI with low-dose irinotecan plus ramucirumab as second-line treatment in Japanese patients with metastatic colorectal cancer (RINDO study).
Journal of Clinical Oncology·2025
The long-term quality of life after distal and pylorus-preserving gastrectomy for stage I gastric cancer: A prospective multi-institutional study (CCOG1601)
Surgery Today·2024· 2 cited
Long‐term quality of life after open and laparoscopic total gastrectomy for stage I gastric cancer: A prospective multi‐institutional study (CCOG1504)
Annals of Gastroenterological Surgery·2024· 1 citedOpen Access
A multi‐institutional prospective observational study to compare postoperative quality of life of patients who undergo total or proximal gastrectomy for early gastric cancer (CCOG1602)
World Journal of Surgery·2024· 4 citedOpen Access
A multi-institutional prospective study to compare postoperative quality of life of patients who undergo proximal or total gastrectomy for early gastric cancer (CCOG1602).
Journal of Clinical Oncology·2024
Effects of endoscopy-related procedure time on musculoskeletal disorders in Japanese endoscopists: a cross-sectional study
Endoscopy International Open·2021· 27 citedOpen Access
Sit-stand endoscopic workstations with wobble stools for the endoscopist, assistant, and endoscopy nurses in an endoscopy unit
Endoscopy·2020· 4 citedOpen Access
A Case of IgG4 Related Disease Mimiking Disseminated Recurrence of Rectal Cancer after Laparoscopic Rectal Resection
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2020Open Access
Magnetic anchor-guided endoscopic submucosal dissection for colorectal tumors (with video)
Surgical Endoscopy·2019· 40 cited
Magnetic anchor-guided endoscopic submucosal dissection using a stainless steel anchor
Endoscopy·2019· 4 citedOpen Access
Abstract P4-11-02: Subjective and objective assessment of efficacy of frozen gloves and socks to prevent nab-paclitaxel-induced peripheral neuropathy in patients with breast cancer
Cancer Research·2019· 3 cited
The Prevalence of Mixed Hepatitis C Virus Genotype Infection and Its Effect on the Response to Direct-Acting Antivirals Therapy
Intervirology·2019· 4 cited
Diagnosis of gallbladder polypoid lesions using contrast enhanced ultrasound
Ultrasound in Medicine & Biology·2019
Randomized Phase II Study of Consecutive-Day versus Alternate-Day Treatment with S-1 as Second-Line Chemotherapy in Advanced Pancreatic Cancer
Oncology·2018· 9 cited
Late relapse of hepatitis C virus in patients with sustained virological response after daclatasvir and asunaprevir therapy
Journal of Viral Hepatitis·2018· 20 cited
Reappraisal of classification of distal cholangiocarcinoma based on tumour depth
British journal of surgery·2018· 21 cited
Magnetic anchor–guided endoscopic submucosal dissection for gastric lesions (with video)
Gastrointestinal Endoscopy·2018· 42 cited
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Frequent Co-authors

Yasuhiro Kodera(12), Tsutomu Fujii(9), Hiroyuki Sugimoto(9), Suguru Yamada(9), Hideki Takami(8), Shuji Nomoto(8), Mitsuro Kanda(8), Kenji Tsuboi(7), Masaya Suenaga(6), Kenta Murotani(6), Chie Tanaka(6), Yoshikuni Inokawa(5), Michitaka Fujiwara(5), Ippei Matsuzaki(5), Yoshiki Hirooka(5), Goro Nakayama(5), K Sampi(5), Osamu Okochi(5), Hidenobu Matsushita(5), Mitsuro Kanda(4)