Koji Asai

Ohashi, Japan

Last Updated: 09/26/2026

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Found 40 publications

Primary Small Intestinal Adenocarcinoma Presenting as Ovarian Metastasis With Obstructive Symptoms: A Case Report.

Primary Small Intestinal Adenocarcinoma Presenting as Ovarian Metastasis With Obstructive Symptoms: A Case Report.

Journal: Cureus

Published: March 31, 2026

Novel factors associated with surgical conversion for duodenal perforation: case control study.

Novel factors associated with surgical conversion for duodenal perforation: case control study.

Journal: Annals of medicine and surgery (2012)

Published: August 21, 2025

Multiplex PCR-based rapid pathogen identification in acute cholecystitis using the FilmArray BCID2 panel.

Multiplex PCR-based rapid pathogen identification in acute cholecystitis using the FilmArray BCID2 panel.

Journal: Frontiers in microbiology

Published: August 17, 2025

Outcomes of gastrectomy in octogenarians and nonagenarians: a comparative analysis in the era of minimally invasive surgery.

Outcomes of gastrectomy in octogenarians and nonagenarians: a comparative analysis in the era of minimally invasive surgery.

Journal: BMC surgery

Published: May 16, 2025

The Rare Upper Thoracic and Cervical Esophageal GIST Resected Through Thoracoscopic Esophageal Mobilization and a Cervical Approach: A Case Report.

The Rare Upper Thoracic and Cervical Esophageal GIST Resected Through Thoracoscopic Esophageal Mobilization and a Cervical Approach: A Case Report.

Journal: Cancer reports (Hoboken, N.J.)

Published: April 08, 2025

Malignant Melanoma of a Male Breast That Was Difficult to Differentiate from Breast Cancer-A Case Report

Malignant Melanoma of a Male Breast That Was Difficult to Differentiate from Breast Cancer-A Case Report

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: February 02, 2024

Laparoscopic Tumor Resection for Asymptomatic Paraganglioma-A Case Study

Laparoscopic Tumor Resection for Asymptomatic Paraganglioma-A Case Study

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: February 02, 2024

Two cases of laparoscopic deroofing of giant liver cysts using indocyanine green fluorescence imaging.

Two cases of laparoscopic deroofing of giant liver cysts using indocyanine green fluorescence imaging.

Journal: Asian journal of endoscopic surgery

Published: December 27, 2023

Collision Tumor Involving Primary Ascending Colon Cancer and Malignant Lymphoma

Collision Tumor Involving Primary Ascending Colon Cancer and Malignant Lymphoma

Journal: Gan to kagaku ryoho. Cancer & chemotherapy

Published: November 30, 2023

Validation of a surgical difficulty grading system in laparoscopic cholecystectomy for acute cholecystitis.

Validation of a surgical difficulty grading system in laparoscopic cholecystectomy for acute cholecystitis.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: October 07, 2023

A multi-institutional study designed by members of Tokyo Guidelines (TG) Core Meeting to elucidate the clinical characteristics and pathogenesis of acute cholangitis after bilioenteric anastomosis and biliary stent insertion with a focus on biliary obstruction: Role of transient hepatic attenuation difference (THAD) and pneumobilia in improving TG diagnostic performance.

A multi-institutional study designed by members of Tokyo Guidelines (TG) Core Meeting to elucidate the clinical characteristics and pathogenesis of acute cholangitis after bilioenteric anastomosis and biliary stent insertion with a focus on biliary obstruction: Role of transient hepatic attenuation difference (THAD) and pneumobilia in improving TG diagnostic performance.

Journal: Journal of hepato-biliary-pancreatic sciences

Published: June 07, 2023

Rapid identification of bacteria using a multiplex polymerase chain reaction system for acute abdominal infections.

Rapid identification of bacteria using a multiplex polymerase chain reaction system for acute abdominal infections.

Journal: Frontiers in microbiology

Published: May 11, 2023

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Last Updated: 09/26/2026