Lister’s tubercle (LT) is a palpable bony prominence on the distal radius and is in close proximity to the extensor pollicis longus (EPL) tendon. Despite its clinical relevance, detailed knowledge regarding its morphological variations, anatomical relationships, and developmental aspects remains limited. This study aims to evaluate the morphological variants of LT and its anatomical relationships with EPL using wrist magnetic resonance imaging (MRI), and to propose a novel classification system …
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Association between MR-derived oxygen extraction fraction and neurological improvement at 24–72 h after successful reperfusion
Oxygen Extraction Fraction (OEF) reflects metabolic changes in cerebral tissue resulting from ischemia and serves as a biomarker of tissue viability in hyperacute stroke. This study evaluated the association between infarct OEF and neurological improvement in ischemic stroke patients following successful endovascular reperfusion therapy, defined by the modified Thrombolysis in Cerebral Infarction (mTICI) score.Infarct OEF index values were extracted from OEF maps using manually delineated infarc…
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LI-RADS categories and clinicopathological features predict recurrence-free survival in patients with radical resected hepatocellular carcinoma
To assess the value of LI-RADS categories and clinicopathological characteristics in predicting recurrence-free survival (RFS) after radical resection of hepatocellular carcinoma (HCC).
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Four-dimensional computed tomography in expiratory central airway collapse: Disrupting diagnostic paradigms
Expiratory central airway collapse (ECAC) is a pathologic entity that involves the excessive dynamic narrowing of the central airways during the expiratory phase of respiration. ECAC represents a diagnostic challenge for clinicians as patients present with non-specific symptoms such as dyspnea, chronic cough, and recurrent respiratory infections [1]. ECAC comprises of two distinct disorders with similar clinical manifestations but different anatomic locations of collapse: tracheobronchomalacia (…
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Prognostic and diagnostic value of node-RADS before and after neoadjuvant therapy in locally advanced gastric cancer
The aim of this study was to evaluate the performance of the Node-RADS scoring system in predicting lymph node metastasis in patients with locally advanced gastric cancer(LAGC) before and after neoadjuvant chemotherapy(NAC), and to determine its prognostic value for overall survival(OS) and disease-free survival(DFS).
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Defining window settings for abdominopelvic photon-counting CT virtual monoenergetic imaging: quantitative and qualitative evaluation
Photon-counting computed tomography (PCCT) represents a significant advancement in CT imaging, offering improved contrast-to-noise ratio (CNR) and enhanced tissue differentiation through low-keV (40–60 keV) virtual monoenergetic imaging (VMI) [1,2]. On the commercial clinical PCCT system, the vendor recommends that the radiologist views designated VMI keV levels for various clinical tasks, such as 55 keV for CT angiography. The vendor specifically recommends 60 keV for contrast-enhanced soft tis…
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Evaluating methodological quality in radiomics research using large language models: Added value of METRICS-E3 framework
Despite the rapid growth in the literature [1], real-world translation of radiomics remains limited [2,3]. Key barriers include methodological complexity and inconsistent reproducibility across acquisition, segmentation, feature extraction, modeling, and validation steps [4,5]. To overcome these challenges, the Radiomics Quality Score (RQS) was proposed in 2017 [6], but ambiguity in item definitions and heterogeneity in applicability have constrained interrater agreement and score reproducibilit…
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Longitudinal fluctuations in reported background parenchymal enhancement on contrast enhanced mammography
Contrast-enhanced mammography (CEM) combines low-energy and recombined images, enabling both anatomic and vascular assessments of the breast, respectively [1]. Beyond its diagnostic utility [2–5], CEM also provides prognostic markers derived from its components, mammographic density (MD) and background parenchymal enhancement (BPE) [6], both of which hold clinical implications for diagnostic accuracy and breast cancer risk.