Two-dimensional (2D) multiplanar turbo spin-echo (TSE) acquisitions have been the gold standard in knee MRI for decades [1,2]. Although TSE MRI has been accelerated by parallel and simultaneous multi-slice imaging with an acquisition time as low as 5 min, three-dimensional (3D) MRI has become an integral part of clinical protocols [3]. The initial application of 3D MRI was to evaluate articular cartilage, detecting small chondral lesions that were difficult to detect on 2D imaging due to partial…
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Late gadolinium enhancement in patients with and without autoimmune rheumatic diseases: “walking, we create the way”
“There is no way! Walking, we create the way.” −Antonio Matsado, Spanish Poet
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Enhanced opportunistic CT screening for osteoporosis using Machine learning derived volumetric vertebral and complementary body composition information
Osteoporosis is a major disease of bone metabolism characterized by decreased bone mass and impaired bone microarchitecture. The diagnosis of osteoporosis is based on measuring bone mineral density (BMD) using dual-energy X-ray absorptiometry (DXA), with a BMD T-score of −2.5 or lower, as defined by the WHO diagnostic criteria for osteoporosis, representing the threshold for diagnosis [1,2]. Two sites are typically measured: the lumbar spine, including the frontal projection of the L1 to L4 vert…
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Rapid MR examination with deep learning reconstruction improves diagnosis of complicated acute appendicitis
Acute appendicitis is a leading cause of acute abdominal pain in emergency departments, with a lifetime risk of 7 % to 8 % [1]. Although antibiotic therapy presents a non-operative treatment option, surgery remains the standard of care. Indeed, up to 40 % of patients managed with antibiotics eventually require appendectomy within 5 years [2,3]. Consequently, accurate diagnosis and severity assessment are crucial for guiding treatment selection, optimizing surgical timing, and evaluating complica…
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CT Angiography-derived fractional flow reserve in the emergency department: Insights from a matched cohort analysis
Coronary CTA or triple rule-out CTA of acute chest pain patients with intermediate stenosis was prospectively sent for off-site CT-FFR analysis. All clinical decisions made in the emergency department were then made with the results of this analysis available. A prospective cohort of 100 patients was matched to a control group of 100 patients (without CT-FFR) based on sex, age, and CAD-RADS category. The key clinical outcomes of both groups were then compared. The utilization of CT-FFR led to en…
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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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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 …