Yumi Koyama
Tokyo, Japan
Last Updated: 09/26/2026
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Found 13 publications
Variations in Amyloid PET Positivity Among Patients With Different Alzheimer's Disease Subtypes.
Journal: Geriatrics & gerontology international
Published: March 03, 2026
Breast-Conserving Surgery After Neoadjuvant Chemotherapy Guided by a Supine Magnetic Resonance Imaging Projection Mapping System Visualizing Original Cancer Extent.
Journal: Journal of breast cancer
Published: November 08, 2025
Patient With Mild Alzheimer's Disease Homozygous for ApoE ε4 Showing Improved Cognition, No Brain Volume Loss, and Complete Amyloid Clearance After Lecanemab Treatment.
Journal: Geriatrics & gerontology international
Published: September 29, 2025
Clinical and MRI variables associated with close or positive margins during breast-conserving surgery using MRI projection mapping in breast carcinoma with nonmass enhancement.
Journal: European journal of radiology open
Published: June 01, 2025
Path Integration Detects Prodromal Alzheimer's Disease and Predicts Cognitive Decline.
Journal: Journal of Alzheimer's disease : JAD
Published: September 06, 2024
Factors and brain imaging features associated with cognition in oldest-old patients with Alzheimer-type dementia.
Journal: Journal of the neurological sciences
Published: December 02, 2023
Longitudinal patterns of Alzheimer's disease subtypes: A follow-up magnetic resonance imaging and single-photon emission computed tomography study.
Journal: Geriatrics & gerontology international
Published: April 18, 2023
Characterization of Alzheimer's Disease Subtypes Based on Magnetic Resonance Imaging and Perfusion Single-Photon Emission Computed Tomography.
Journal: Journal of Alzheimer's disease : JAD
Published: April 03, 2022
Discrepancy Between Cognitive Test and Brain Imaging Results in Alzheimer's Disease Associated with Diabetes.
Journal: Current Alzheimer research
Published: October 20, 2021
Discrepancy Between the Degree of Cognitive Impairment and Brain Imaging Abnormalities in Alzheimer's Disease Patients Is Associated with Cognitive Reserve.
Journal: Journal of Alzheimer's disease : JAD
Published: September 20, 2021
A Case of Synchronous Bilateral Breast Cancer in an Elderly Patient
Journal: Gan to kagaku ryoho. Cancer & chemotherapy
Published: March 28, 2019
Last Updated: 09/26/2026