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3D MRI with CT-like bone contrast (3D-BONE): a pictorial review of clinical applications.
Acta Radiol
January 2025
Department of Radiology, Changi General Hospital, Singapore, Republic of Singapore.
Background: Computed tomography (CT) is the gold standard imaging modality for the assessment of 3D bony morphology but incurs the cost of ionizing radiation exposure. High-resolution 3D magnetic resonance imaging (MRI) with CT-like bone contrast (CLBC) may provide an alternative to CT in allowing complete evaluation of both bony and soft tissue structures with a single MRI examination.
Purpose: To review the technical aspects of an optimized stack-of-stars 3D gradient recalled echo pulse sequence method (3D-Bone) in generating 3D MR images with CLBC, and to present a pictorial review of the utility of 3D-Bone in the clinical assessment of common musculoskeletal conditions.
Automated Detection of Cancer-Suspicious Findings in Japanese Radiology Reports with Natural Language Processing: A Multicenter Study.
J Imaging Inform Med
January 2025
Department of Medical Informatics, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Osaka, Japan.
Missed critical imaging findings, particularly those indicating cancer, are a common issue that can result in delays in patient follow-up and treatment. To address this, we developed a rule-based natural language processing (NLP) algorithm to detect cancer-suspicious findings from Japanese radiology reports. The dataset used consisted of chest and abdomen CT reports from six institutions.
View Article and Find Full Text PDFMagnetic Resonance Acoustic Radiation Force Imaging (MR-ARFI).
J Magn Reson Imaging
January 2025
Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, Utah, USA.
This review covers the theoretical background, pulse sequence considerations, practical implementations, and multitudes of applications of magnetic resonance acoustic radiation force imaging (MR-ARFI) described to date. MR-ARFI is an approach to encode tissue displacement caused by the acoustic radiation force of a focused ultrasound field into the phase of a MR image. The displacement encoding is done with motion encoding gradients (MEG) which have traditionally been added to spin echo-type and gradient recalled echo-type pulse sequences.
View Article and Find Full Text PDFComparing synthetic mammograms based on wide-angle digital breast tomosynthesis with digital mammograms.
J Med Imaging (Bellingham)
January 2025
Lund University, Department of Translational Medicine, Medical Radiation Physics, Malmö, Sweden.
Purpose: We aim to investigate the characteristics and evaluate the performance of synthetic mammograms (SMs) based on wide-angle digital breast tomosynthesis (DBT) compared with digital mammography (DM).
Approach: Fifty cases with both synthetic and digital mammograms were selected from the Malmö Breast Tomosynthesis Screening Trial. They were categorized into five groups consisting of normal cases and recalled cases with false-positive and true-positive findings from DM and DBT only.
Video-based Informed Consent in Radiology - Acceptance, Satisfaction, and Effectiveness.
Rofo
January 2025
Department of Diagnostic and Interventional Radiology, University Hospital Ulm, Ulm, Germany.
Before any medical procedure, including computed tomography (CT), it is crucial to ensure patients are fully informed about the risks and alternative options. Video-based informed consent offers an increased transfer of information in less time.In a monocentric, prospective, questionnaire-based study, video-based informed consent, which included a digital medical history form, was compared to the traditional paper-based consent form.
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