Standards of care in orthopaedic lower limb surgery have evolved substantially over recent decades. Improvements in surgical tools, implants and accurate pre-operative planning have enhanced surgeon precision. Navigation systems[1,2], patient-specific instrumentation[3] and 3-Dimensional (3D) image-based planning[4] were developed in the late 1990 s and have been used primarily for joint replacements and osteotomies. Moreover, knee arthroplasty (KA) has seen a paradigm shift over the last decade…
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From AI breakthroughs to imaging trends, we serve up real-time radiology insights.
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Long-term outcomes of carotid artery stenting for carotid near-occlusion
Carotid artery near-occlusion (CANO) is a severe form of internal carotid artery (ICA) stenosis marked by marked narrowing of the post-stenotic distal ICA[1,2]. Imaging features of CANO include marked post-stenotic narrowing of the distal ICA, often accompanied by reduced flow, delayed contrast transit, and the presence of intracranial collateral circulation[1]. The degree of distal ICA narrowing in CANO can vary, ranging from a threadlike, markedly narrowed distal ICA in cases with full collaps…
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Improved accuracy of bone marrow edema detection in patients with hip pain using dual-energy computed tomography: Optimization of blended material density images combining water-calcium and water-hydroxyapatite
Hip pain has a significant impact on the daily lives of many patients with a wide range of underlying causes[1]. Bone marrow edema (BME) is commonly observed in trauma-related cases but can also be found in non-traumatic conditions such as hip osteoarthritis and spontaneous necrosis of the femoral head[2]. Early detection of BME plays a crucial role in diagnostic accuracy and prognostic prediction, necessitating improvements in detection methods[3,4].
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Comparison of nodule volumetric classification by using two different nodule segmentation algorithms in an LDCT lung cancer baseline screening dataset
Lung cancer remains the deadliest cancer in the world, accounting for 18 % of cancer-related deaths in 2020 [1]. The use of low-dose computed tomography (LDCT) in lung cancer screening (LCS) for high-risk populations has successfully reduced lung cancer-specific mortality by detecting more early stage cancers [2–4]. Motivated by this evidence, several countries are now implementing LDCT LCS programs [5–8].
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Impact of super-resolution deep learning-based reconstruction for hippocampal MRI: A volunteer and phantom study
To evaluate the effects of super-resolution deep learning-based reconstruction (SR-DLR) on thin-slice T2-weighted hippocampal MR image quality using 3 T MRI, in both human volunteers and phantoms.
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Optimized DWI-based virtual MR elastography for diagnosis and therapeutic monitoring of focal liver lesions
The accurate diagnosis and therapeutic monitoring of focal liver lesions (FLLs) remain critical challenges in clinical hepatology and radiology. FLLs include both benign and malignant tumors such as hemangiomas, focal nodular hyperplasia, hepatocellular carcinoma (HCC), intrahepatic cholangiocarcinoma (ICC) and metastatic tumors [1]. While some imaging technique like ultrasound, CT, and standard MRI provide essential morphological and hemodynamic characteristic, their limited ability to differen…
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Deep learning CAIPIRINHA-accelerated 3D MRI of the knee cartilage at 7 Tesla
Three-dimensional (3D) dual-echo steady-state (DESS) sequences are widely used for magnetic resonance imaging (MRI) of the knee cartilage thanks to their high spatial resolution and capability of multi-planar reconstruction [1]. DESS sequences combine two gradient echoes separated by a refocusing pulse into a single image and increase the signal intensity of both articular cartilage and synovial fluid [2]. In addition, the reduced specific absorption rate of the sequence makes it particularly at…
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The radiology of happiness
Happiness is a vital yet often overlooked component of high-quality, sustainable radiology practice. Decades ago, Bhutan introduced the concept of “Gross National Happiness,” emphasizing that true progress transcends economic output and must also nurture well-being. This principle is equally relevant in healthcare. Traditional measures of radiology performance focus heavily on productivity, diagnostic speed, and cost efficiency, neglecting the happiness of radiologists themselves. However, radio…
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Prospective comparison of brain tumor detection and characterization using post-contrast Dixon uT1RESS and MPRAGE at 3 Tesla
Magnetic resonance imaging (MRI) is recognized as the most accurate modality for assessing brain tumors and is adept at evaluating lesion morphology and enhancement characteristics [1]. In particular, contrast-enhanced MRI provides essential information for monitoring disease progression and treatment efficacy, as well as for determining therapeutic strategies, such as surgical resection or radiotherapy, as these decisions rely heavily on the number, size, and location of intracranial lesions [2…
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Medial unicompartmental knee arthroplasties: Radiographic findings associated with conversion to total knee arthroplasty – A Case control study
A medial Unicompartmental Knee Arthroplasty (UKA) is commonly performed in the presence of an isolated symptomatic medial femorotibial osteoarthritis in stable knees [1,2]. This is due to the advantages of a unicompartmental arthroplasty compared to a Total Knee Arthroplasty (TKA), i.e. preserved knee kinematics due to preservation of both cruciate ligaments, preservation of bone stock, faster recovery, and reduced mortality [1–7].