Yasunori Nagayama

Kumamoto, Japan

Last Updated: 09/26/2026

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Found 154 publications

A Case of Concurrent Liver Metastases from Colorectal and Breast Cancer Diagnosed Using Percutaneous Tumor Biopsy.

A Case of Concurrent Liver Metastases from Colorectal and Breast Cancer Diagnosed Using Percutaneous Tumor Biopsy.

Journal: Anticancer research

Published: June 08, 2026

Massive Chronic Expanding Hematoma Following EUS-guided Biopsy of a Small Gastric Plexiform Fibromyxoma Mimicking a Gastrointestinal Stromal Tumor.

Massive Chronic Expanding Hematoma Following EUS-guided Biopsy of a Small Gastric Plexiform Fibromyxoma Mimicking a Gastrointestinal Stromal Tumor.

Journal: Anticancer research

Published: May 02, 2026

Recent Advances in Functional Liver Volumetry: Emphasis on 99mTc-GSA SPECT/CT Fusion Imaging.

Recent Advances in Functional Liver Volumetry: Emphasis on 99mTc-GSA SPECT/CT Fusion Imaging.

Journal: Annals of gastroenterological surgery

Published: March 31, 2026

Image Quality Advancements in Low-Dose Pediatric CT Using Super-Resolution Deep-Learning Reconstruction.

Image Quality Advancements in Low-Dose Pediatric CT Using Super-Resolution Deep-Learning Reconstruction.

Journal: Journal of imaging informatics in medicine

Published: December 03, 2025

Intraoperative doppler ultrasonography to assess the need for remnant liver fixation.

Intraoperative doppler ultrasonography to assess the need for remnant liver fixation.

Journal: Surgery today

Published: November 29, 2025

Evaluation of DeepSeek-R1 and contemporary large language models on the radiology board examination: A milestone achieved as open-source model matches performance with closed-source model.

Evaluation of DeepSeek-R1 and contemporary large language models on the radiology board examination: A milestone achieved as open-source model matches performance with closed-source model.

Journal: European journal of radiology

Published: August 26, 2025

Clarifications on Methods and Findings: Response to the Letter Regarding "Evaluating the Performance of Reasoning Large Language Models on Japanese Radiology Board Examination Questions".

Clarifications on Methods and Findings: Response to the Letter Regarding "Evaluating the Performance of Reasoning Large Language Models on Japanese Radiology Board Examination Questions".

Journal: Academic radiology

Published: August 25, 2025

Assessment of left ventricular thrombi using cardiac CT: A comparative evaluation of non-contrast, CT-angiography, delayed-enhanced images, and extracellular volume maps.

Assessment of left ventricular thrombi using cardiac CT: A comparative evaluation of non-contrast, CT-angiography, delayed-enhanced images, and extracellular volume maps.

Journal: Journal of cardiovascular computed tomography

Published: August 19, 2025

Imaging findings in fumarate hydratase-deficient renal cell carcinoma: a case series of 11 patients.

Imaging findings in fumarate hydratase-deficient renal cell carcinoma: a case series of 11 patients.

Journal: Abdominal radiology (New York)

Published: August 08, 2025

Performance of State-of-the-Art Multimodal Large Language Models on an Image-Rich Radiology Board Examination: Comparison to Human Examinees.

Performance of State-of-the-Art Multimodal Large Language Models on an Image-Rich Radiology Board Examination: Comparison to Human Examinees.

Journal: Academic radiology

Published: July 07, 2025

Hepatic Pseudolipoma Mimicking Fat-containing Malignant Liver Tumor: A Case of Migration from the Pelvic Cavity.

Hepatic Pseudolipoma Mimicking Fat-containing Malignant Liver Tumor: A Case of Migration from the Pelvic Cavity.

Journal: Anticancer research

Published: July 04, 2025

Contrast-specific conversion factor for accurate radiation dose estimation in contrast-enhanced abdominal computed tomography.

Contrast-specific conversion factor for accurate radiation dose estimation in contrast-enhanced abdominal computed tomography.

Journal: Journal of clinical imaging science

Published: July 01, 2025

Showing 1-12 of 154

Last Updated: 09/26/2026