Yutaka Koga
Fukuoka, Japan
Last Updated: 09/26/2026
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Found 40 publications
Gastric-Type Adenomas of the Nonampullary Duodenum: Reappraisal of Clinicopathological and Molecular Features and a Proposal for Novel Classification.
Journal: The American journal of surgical pathology
Published: March 19, 2026
An Updated Case Report of a Long-Term Survivor With Stage IVB Ovarian Squamous Cell Carcinoma Arising From Mature Cystic Teratoma.
Journal: The journal of obstetrics and gynaecology research
Published: March 10, 2026
High-grade Dysplasia with Pseudocarcinomatous Invasion Mimicking Invasive Carcinoma in a Patient with Ulcerative Colitis.
Journal: Journal of gastrointestinal and liver diseases : JGLD
Published: November 22, 2025
Conversion Surgery after Complete Response to Immune Checkpoint Inhibitor-Based Sequential Chemotherapy for Initially Unresectable Perihilar Cholangiocarcinoma: A Case Report.
Journal: Surgical case reports
Published: September 16, 2025
A Case of Colon Leiomyosarcoma Arising from the Muscularis Mucosae: A Case Report and Literature Review.
Journal: Surgical case reports
Published: March 12, 2025
Pancreatic cancer secondary to biliary tract cancer associated with pancreaticobiliary maljunction: intraductal dissemination through the common channel.
Journal: Clinical journal of gastroenterology
Published: December 28, 2024
A dramatic response to an immune checkpoint inhibitor plus chemotherapy in a patient with metastatic metaplastic carcinoma of the breast: A case report.
Journal: Thoracic cancer
Published: June 03, 2024
A case of BIA-ALCL in which postoperative chest wall recurrence was highly suspected: the third reported case of BIA-ALCL in Japan.
Journal: Surgical case reports
Published: April 12, 2024
Pathological complete response with FOLFIRINOX therapy for recurrence of pancreatic acinar cell carcinoma.
Journal: Clinical journal of gastroenterology
Published: February 05, 2024
A Case of Cystic Retroperitoneal Dedifferentiated Liposarcoma Diagnosed by Percutaneous Image-Guided Biopsy.
Journal: Case reports in oncology
Published: August 30, 2023
Liver metastasis composed of pure squamous cell carcinoma component from pancreatic pure ductal adenocarcinoma: a case report.
Journal: Surgical case reports
Published: August 10, 2023
Clinicopathologic Features and Genetic Alterations in Mixed-Type Ampullary Carcinoma.
Journal: Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc
Published: December 20, 2022
Last Updated: 09/26/2026