Osamu Okochi

Tosei General Hospital — Japan

Medicine · Health Sciences

11h-index688citations44works2.32yr avg
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Research Topics

Colorectal Cancer Treatments and Studies(7), Gastric Cancer Management and Outcomes(4), Hepatocellular Carcinoma Treatment and Prognosis(3), Pancreatic and Hepatic Oncology Research(3), Liver Disease and Transplantation(3)

Publications43 total

A prospective, randomized, double-blind, placebo-controlled trial of the Kampo formula daiobotanpito combined with antibiotic therapy for acute diverticulitis
Scientific Reports·2025Open Access
BRAF V600E and Non-V600E Mutations in RAS Wild-Type Metastatic Colorectal Cancer: Prognostic and Therapeutic Insights from a Nationwide, Multicenter, Observational Study (J-BROS)
Cancers·2025· 6 citedOpen Access
Introduction and Short‐Term Outcomes of Robot‐Assisted Transabdominal Preperitoneal Inguinal Hernia Repair at a Municipal Hospital by a Robotic Surgery Novice: A Single‐Center, Observational Study
Asian Journal of Endoscopic Surgery·2024
Retroperitoneal Solitary Fibrous Tumor—A Case Report—
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2023Open Access
A Case of Gallbladder Torsion in a 7-year-old Boy Diagnosed by Abdominal Ulttrasound and Magnetic Resonance Cholangiopancreatography
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2023Open Access
A Case of a Retroperitoneal Tumor with a Histological Picture Suggestive of Malignant Transformation Resulting from Endometriosis
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2023Open Access
Tumor Location Is Associated With the Prevalence of Braf And Pik3ca Mutations in Patients with Wild-Type Ras Colorectal Cancer: A Prospective Multi-Center Cohort Study in Japan
Translational Oncology·2020· 11 citedOpen Access
Accessory left gastric artery aneurysms in granulomatosis with polyangiitis: a case report and literature review.
PubMed·2017· 9 citedOpen Access
Three Cases of Spigelian Hernia Performed Laparoscopic Surgery by the TAPP Approach
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2017Open Access
A Case of Diffuse Large B Cell Lymphoma of the Extrahepatic Bile Duct Mimicking Cholangiocarcinoma
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2017· 1 citedOpen Access
[A Case of Portal Vein Thrombosis Occurring during CapeOX and Bevacizumab Combination Therapy for Liver Metastasis].
PubMed·2016· 2 cited
A Case of Umbilical Pilonidal Sinus
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2016Open Access
A Case of Cholecystocutaneous Fistula with Extrahepatic Portal Obstruction
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2016· 1 citedOpen Access
Distal Gastrectomy with Reconstruction of Artery Graft for Gastric Cancer after Coronary Artery Bypass Using the Right Gastroepiploic Artery
The Japanese Journal of Gastroenterological Surgery·2015· 1 citedOpen Access
A Case of a 10-cm Long Esophageal Schwannoma
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2015· 2 citedOpen Access
A Case of Duodenal Penetration due to Ingestion of Ceramics
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2015Open Access
Hydrocele in a patient receiving peritoneal dialysis
Nihon Toseki Igakkai Zasshi·2015· 1 citedOpen Access
A Case of Extraperitoneal Space and Perianal Abscesses Caused by a Fish Bone
Nihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association)·2015· 4 citedOpen Access
A Comprehensive Expression Analysis of Mucins in Appendiceal Carcinoma in a Multicenter Study: MUC3 Is a Novel Prognostic Factor
PLoS ONE·2014· 19 citedOpen Access
[Cetuximab-associated skin ulceration in patient with metastatic colorectal cancer: a case report].
PubMed·2011· 3 cited
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Frequent Co-authors

Yoshihisa Kawase(20), Hidenobu Matsushita(16), Kenji Tsuboi(13), Shin Takeda(12), Akimasa Nakao(12), Tetsuya Kaneko(10), Soichiro Inoue(10), Masashi Hattori(9), Nobuyuki Kato(7), Toshihide Tomosugi(6), Michita Shoka(6), Y. Uno(6), Yuko Takami(6), Shigeomi Takeda(6), Mitsuru Sakai(5), Hiroyuki Sugimoto(4), Kenji Hibi(4), Kohichi SAWAKI(4), Takamasa Tokoro(4), Katsumi Koshikawa(3)