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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Fine-needle aspiration or core needle biopsy? A meta-analysis of diagnostic accuracy and procedural outcomes in salivary gland tumors
Salivary gland tumors represent a diverse group of neoplasms that account for approximately 3–6 % of head and neck tumors [1]. Among these, the parotid gland is the most frequently involved site, followed by the submandibular and minor salivary glands [2]. These tumors exhibit significant histopathologic heterogeneity, ranging from benign entities such as pleomorphic adenoma to aggressive malignancies including mucoepidermoid carcinoma and adenoid cystic carcinoma [3]. Given their wide spectrum …
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Post-myocardial infarction pericarditis: insight from a cardiovascular magnetic resonance study
Post-myocardial infarction pericarditis (PMIP) is a recognized complication of ST-segment elevation myocardial infarction (STEMI), with potential implications for cardiac function as a marker of more extensive myocardial damage [1]. PMIP can be classified into two distinct forms: early (epistenocardic) pericarditis, which develops within days of infarction due to local inflammatory responses, and late pericarditis (Dressler’s syndrome), which occurs as an autoimmune reaction [2]. The pathophysio…
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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.
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Unraveling heterogeneous mechanisms of cerebral small vessel disease: A whole-brain vessel wall imaging study
Cerebral small vessel disease (CSVD) is highly prevalent in the elder population and is implicated in approximately 30 % of strokes and the majority of vascular dementia [1,2]. Due to a diverse range of its pathophysiology, various abnormal manifestations are observed on MRI, including white matter hyperintensities (WMH), lacunes, cerebral microbleeds, enlarged perivascular spaces (EPVS), small subcortical infarcts, brain atrophy[3]. While vascular risk factors such as aging and hypertension are…
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Observational evaluation of AI-assisted measurements and reporting for enhanced workflow efficiency in leg and foot radiographs
The field of radiology is under increasing pressure due to a continuous surge in imaging volumes and a significant shortage of radiologists [1,2]. In most European and North American countries, the growing demand for imaging procedures has outpaced the recruitment of radiologists [3]. This imbalance has led to rising workloads, longer turnaround times, and concerns about burnout among clinicians. In the context of a strained healthcare system, workflow optimization has become essential, particul…