Get started
Author

Ken Haruma

Endoscopic treatment of submucosal invasive colorectal carcinoma with special reference to risk factors for lymph node metastasis
1995 · Shinji Tanaka, Ken Haruma, et al. · Journal of Gastroenterology · 170
Helicobacter pylori Infection and Gastric Neoplasia: Correlations With Histological Gastritis and Tumor Histology
1998 · Kunihiko Komoto, Ken Haruma, et al. · The American Journal of Gastroenterology · 156
Development and validation of an ultrasonographic activity index of Crohnʼs disease
1999 · Yasuhiro Futagami, Ken Haruma, et al. · European Journal of Gastroenterology & Hepatology · 75
Laparoscopic Resection of Submucosal Gastric Tumors
1999 · Kenjiro Aogi, Toshihiro Hirai, et al. · Surgery Today · 59
Evaluation of tumor growth rate in patients with early gastric carcinoma of the elevated type
1991 · Ken Haruma, Takehiko Suzuki, et al. · Abdominal Imaging · 38
Duodenogastric reflux is associated with antral metaplastic gastritis
2001 · Masaru Nakamura, Ken Haruma, et al. · Gastrointestinal Endoscopy · 37
Immunoreactive Transforming Growth Factor-αand Epidermal Growth Factor in Colorectal Adenomas and Carcinomas
2009 · Shinji Tanaka, Koh-ichi Imanishi, et al. · Oncology · 26
Trend Toward a Reduced Prevalence of Helicobacter Pylori Infection, Chronic Gastritis, and Gastric Cancer in Japan
2000 · Ken Haruma · Gastroenterology Clinics of North America · 25
Growth patterns in various macroscopic types of noninvasive intramucosal colorectal carcinoma with special reference to apoptosis and cell proliferation
1998 · Tatsuro Tanimoto, Shinji Tanaka, et al. · Diseases of the Colon & Rectum · 23
B-Cell monoclonality in Helicobacter pylori -associated chronic atrophic gastritis
2001 · Toru Hiyama, Ken Haruma, et al. · Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin · 22
Significance of rapid urease test for identification ofHelicobacter pylori in comparison with histological and culture studies
1995 · Masahiro Kawanishi, Shinji Fukuda, et al. · Journal of Gastroenterology · 12
A low 13 C-urea breath test value is associated with increased risk of gastric cancer
2001 · Xing Chen, Ken Haruma, et al. · Journal of Gastroenterology · 11
Protective Effect of Ammonia Against Reflux Esophagitis in Rats
2001 · Hiroshige Hamada, Ken Haruma, et al. · Digestive Diseases and Sciences · 10
Flow cytometric DNA analysis of gastric smooth muscle tumors
1992 · Takehiro Shimamoto, Ken Haruma, et al. · Cancer · 10
PDF
Usefulness of Nucleolar Organizer Region Staining in Gastric Myogenic Tumors: Correlation with Ploidy by DNA Flow Cytometry
2009 · Takehiro Shimamoto, Ken Haruma, et al. · Oncology · 9
Evaluation of lower oesophageal sphincter pressure using endoscopic manometric sleeve assembly
2000 · Mutsumi Hananoki, Ken Haruma, et al. · Journal of Gastroenterology and Hepatology · 8
Enhanced tumorigenicity of insulinoma by X‐irradiation of the gastric regions in Sprague–Dawley male rats
2000 · Soichiro Kido, Ken Haruma, et al. · Journal of Gastroenterology and Hepatology · 6
Multiplicative effect of hyperpepsinogenemia I and non-secretor status on the risk of duodenal ulcer in siblings
1990 · Koji Sumii, Akira Inbe, et al. · Gastroenterologia Japonica · 6
Map‐Like Redness Development After Eradication Therapy for Helicobacter pylori Infection: Prospective Multicenter Observational Study
2024 · Sho Matsumoto, Mitsushige Sugimoto, et al. · Helicobacter · 5
?-Endorphin-like immunoreactivity in normal mucosa, muscle layer, adenocarcinoma, and polyp of the colon
1988 · Akira Tari, Yukitaka Miyachi, et al. · Digestive Diseases and Sciences · 5
Gastric acid secretion therapy: long-term effects on gastric mucosa and polyp formation
2026 · Hiroko Suda, Koichi Sakurai, et al. · Expert Review of Gastroenterology & Hepatology · 3
PDF
Effect of cisapride on the concentrations of β-endorphinlike immunoreactivity and substance P-like immunoreactivity in the rat gastrointestinal tract
1987 · Akira Tari, Koji Sumii, et al. · Biochemical and Biophysical Research Communications · 3
Rapid Development of a Hemorrhagic Hyperplastic Polyp in a Patient with Evolving Autoimmune Gastritis after Helicobacter pylori Eradication
2025 · Tohru Kotera, Takahiro Takemoto, et al. · Internal Medicine · 2
PDF
CASE REPORT: Suddenly Accelerated Growth of Gastrointestinal Stromal Tumor of Remnant Stomach
2003 · Kayoko Shimizu, Hideki Koga, et al. · Digestive Diseases and Sciences · 2
Diffuse dark brown discoloration of gastric fundic gland mucosa following proton pump inhibitor therapy
2025 · Takashi Ihara, Ken-ichi Mukaisho, et al. · Clinical Journal of Gastroenterology · 1
Works count: 40
Citation count: 726
H-index: 11
I10-index: 14
Year
Topic
Type