Radiology

Nuclear Medicine

Latest AI and machine learning research in nuclear medicine for healthcare professionals.

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MRI-to-CT synthesis using drifting models

Accurate MRI-to-CT synthesis could enable MR-only pelvic workflows by providing CT-like images with ...

Translating MRI to PET through Conditional Diffusion Models with Enhanced Pathology Awareness

Positron emission tomography (PET) is a widely recognized technique for diagnosing neurodegenerative...

OpenScientist: evaluating an open agentic AI co-scientist to accelerate biomedical discovery

Background: Advances in medicine depend on analyzing large and complex data sources, but discovery i...

Tabular LLMs for Interpretable Few-Shot Alzheimer's Disease Prediction with Multimodal Biomedical Data

Accurate diagnosis of Alzheimer's disease (AD) requires handling tabular biomarker data, yet such da...

Developing Foundation Models for Universal Segmentation from 3D Whole-Body Positron Emission Tomography

Positron emission tomography (PET) is a key nuclear medicine imaging modality that visualizes radiot...

PET-F2I: A Comprehensive Benchmark and Parameter-Efficient Fine-Tuning of LLMs for PET/CT Report Impression Generation

PET/CT imaging is pivotal in oncology and nuclear medicine, yet summarizing complex findings into pr...

TriFusion-SR: Joint Tri-Modal Medical Image Fusion and SR

Multimodal medical image fusion facilitates comprehensive diagnosis by aggregating complementary str...

Adaptive Clinical-Aware Latent Diffusion for Multimodal Brain Image Generation and Missing Modality Imputation

Multimodal neuroimaging provides complementary insights for Alzheimer's disease diagnosis, yet clini...

DECADE: A Temporally-Consistent Unsupervised Diffusion Model for Enhanced Rb-82 Dynamic Cardiac PET Image Denoising

Rb-82 dynamic cardiac PET imaging is widely used for the clinical diagnosis of coronary artery disea...

MAP-Diff: Multi-Anchor Guided Diffusion for Progressive 3D Whole-Body Low-Dose PET Denoising

Low-dose Positron Emission Tomography (PET) reduces radiation exposure but suffers from severe noise...

CT-based Automated Volumetry as a Biomarker of Global and Split Renal Function in Living Kidney Donors

Background: Kidney volumetry derived from CT has been proposed as a surrogate of renal function in l...

DisQ-HNet: A Disentangled Quantized Half-UNet for Interpretable Multimodal Image Synthesis Applications to Tau-PET Synthesis from T1 and FLAIR MRI

Tau positron emission tomography (tau-PET) provides an in vivo marker of Alzheimer's disease patholo...

End-to-End PET/CT Interpretation and Quantification with an LLM-Orchestrated AI Agent: A Real-World Pilot Study

Background: Although deep learning models have improved individual PET analysis, image processing an...

RelA-Diffusion: Relativistic Adversarial Diffusion for Multi-Tracer PET Synthesis from Multi-Sequence MRI

Multi-tracer positron emission tomography (PET) provides critical insights into diverse neuropatholo...

Effective and Robust Multimodal Medical Image Analysis

Multimodal Fusion Learning (MFL), leveraging disparate data from various imaging modalities (e.g., M...

Supervise-assisted Multi-modality Fusion Diffusion Model for PET Restoration

Positron emission tomography (PET) offers powerful functional imaging but involves radiation exposur...

GR-Diffusion: 3D Gaussian Representation Meets Diffusion in Whole-Body PET Reconstruction

Positron emission tomography (PET) reconstruction is a critical challenge in molecular imaging, ofte...

GRAD: A Two-Stage Algorithm for Resolving Diagnostic Uncertainty in the Plasma p-tau217 Gray Zone

Introduction: Plasma phosphorylated tau-217 is widely used as a plasma-based biomarker for Alzheimer...

Virtual myocardial blood flow and flow reserve from static PET imaging using artificial intelligence

Background: Quantitative myocardial blood flow (MBF) and myocardial flow reserve (MFR) provide incre...

Perfusion Imaging and Single Material Reconstruction in Polychromatic Photon Counting CT

Background: Perfusion computed tomography (CT) images the dynamics of a contrast agent through the b...

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