Yoshitaka Toyama

10PUBLICATIONS
17CO-AUTHORS
Economic models and forecastingNatural language processingTranslation and interpretation studiesToxicology (incl. clinical toxicology)Linguistic structures (incl. phonology, morphology and syntax)
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Publications (10)

|Feb 23, 2026
Evaluation of GPT-5 for Esophageal Cancer Staging Using Fluorodeoxyglucose Positron Emission Tomography Maximum-Intensity Projection Images: Comparative Pilot Study.

Hiroki Maruyama, Yoshitaka Toyama, Yuya Araki

|Jul 30, 2025
Role of Artificial Intelligence in Surgical Training by Assessing GPT-4 and GPT-4o on the Japan Surgical Board Examination With Text-Only and Image-Accompanied Questions: Performance Evaluation Study.

Hiroki Maruyama, Yoshitaka Toyama, Kentaro Takanami

|Oct 28, 2024
Response accuracy of GPT-4 across languages: insights from an expert-level diagnostic radiology examination in Japan.

Ayaka Harigai, Yoshitaka Toyama, Mitsutoshi Nagano

|Oct 09, 2024
Role of radiologists in the diagnosis and management of adrenal disorders.

Sota Oguro, Hiromitsu Tannai, Hideki Ota

|Oct 04, 2023
Performance evaluation of ChatGPT, GPT-4, and Bard on the official board examination of the Japan Radiology Society.

Yoshitaka Toyama, Ayaka Harigai, Mirei Abe

|Jul 03, 2023
Type 2 Endoleak Detection After Endovascular Aneurysm Repair: Can Low-Flow Endoleaks Also Be Visualized in Silicon-Photomultiplier-Based Positron Emission Tomography/Computed Tomography Scans?

Ayaka Harigai, Yoshitaka Toyama, Michihisa Umetsu

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Frequent Collaborators

3 joint publications

Kei Takase

2 joint publications

Takashi Kamei

2 joint publications

Kentaro Takanami

2 joint publications

Hiroki Maruyama