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Journals Radiologic Clinics of North Am...

Radiologic Clinics of North America

https://read.qxmd.com/read/36931770/imaging-approaches-for-cerebrovascular-disease-the-latest-and-greatest
#1
EDITORIAL
Javier M Romero, Mahmud Mossa-Basha
No abstract text is available yet for this article.
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931769/cerebral-amyloid-angiopathy
#2
REVIEW
Laszlo Szidonya, Joshua P Nickerson
Cerebral amyloid angiopathy (CAA) is associated with deposition of amyloid proteins within the intracranial vessels. It is most frequently sporadic and risk increases with advancing age. Amyloid deposition is associated with increased risk of peripheral microhemorrhage, lobar hemorrhage, and/or repetitive subarachnoid hemorrhage. The presence of a peripherally located lobar hemorrhage on computed tomography in an elderly patient should raise concern for underlying CAA, as should multiple foci of peripheral susceptibility artifact or superficial siderosis on susceptibility-weighted imaging, the most sensitive modality for these findings...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931768/imaging-of-head-trauma-pearls-and-pitfalls
#3
REVIEW
Aniwat Sriyook, Rajiv Gupta
Traumatic brain injury is one of the most common causes of morbidity and mortality and significantly impacts the patients' quality of life and socioeconomic status. It can be classified into primary and secondary injuries. Primary injury occurs at the time of the initial head trauma, such as skull fracture, extra-axial hemorrhage, brain contusion, and diffuse axonal injury. Secondary injury develops later as complications such as diffuse cerebral edema, brain herniation, and chronic traumatic encephalopathy...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931767/the-use-of-intracranial-vessel-wall-imaging-in-clinical-practice
#4
REVIEW
Abderrahmane Hedjoudje, Jean Darcourt, Fabrice Bonneville, Myriam Edjlali
Three-dimensional vessel wall MR imaging has gained popularity in the diagnosis and management of patients with cerebrovascular disease in clinical practice. Vessel wall MR imaging is an imaging technique that delivers a fundamentally different viewpoint by emphasizing on the pathology of the vessel wall as opposed to traditional descriptions that focus on the vessel lumen. It shows a crucial power in detecting vessel wall changes in patients with diseases including, but not limited to, central nervous system vasculitis, moyamoya disease, aneurysms, dissections, and intracranial atherosclerotic disease...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931766/imaging-approach-to-venous-sinus-thrombosis
#5
REVIEW
Francesco Carletti, Pedro Vilela, Hans Rolf Jäger
Cerebral venous thrombosis (CVT) is a rare cerebrovascular disease caused by an occlusion of the cerebral venous sinuses or cortical veins. It has a favorable prognosis if diagnosed and treated early. CVT can be difficult to diagnose on clinical grounds, and imaging plays a key role. We discuss clinical features and provide an overview of current neuroimaging methods and findings in CTV.
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931765/vessel-wall-imaging-in-cryptogenic-stroke
#6
REVIEW
Bhagya Sannananja, Chengcheng Zhu, Mahmud Mossa-Basha
Cryptogenic strokes are symptomatic cerebral ischemic infarcts without a clear etiology identified following standard diagnostic evaluation and currently account for 10% to 40% of stroke cases. Continued research is needed to identify and bridge gaps in knowledge of this stroke grouping. Vessel wall imaging has increasingly shown its utility in the diagnosis and characterization of various vasculopathies. Initial promising evidence suggests rational use of vessel wall imaging in stroke workup may unravel pathologies that otherwise would have been occult and further improve our understanding of underlying disease processes that can translate into improved patient outcomes and secondary stroke prevention...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931764/current-evaluation-of-intracerebral-hemorrhage
#7
REVIEW
Javier M Romero, Luisa F Rojas-Serrano
Advanced imaging is currently critical in diagnosing, predicting, and managing intracerebral hemorrhage. MD CT angiography has occupied the first line of evaluating patients with a clinical diagnosis of a stroke, given its rapid acquisition time, high resolution of vascular structures, and sensitivity for secondary causes of ICH.
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931763/vascular-injuries-in-head-and-neck-trauma
#8
REVIEW
Andres Rodriguez, Luis Nunez, Roy Riascos
Blunt and penetrating vascular injuries of the head and neck can represent life-threatening emergencies that require accurate detection to prevent devastating and long-lasting consequences. Implementing appropriate screening criteria to indicate imaging studies is crucial as there is a variable latent time before the onset of clinical manifestations. Computed tomography angiography, MR imaging, and digital subtraction angiography represent the imaging modalities of choice to evaluate vascular injuries. The aim of this review is to provide a description of the different types of vascular injuries, describe the importance of each imaging modality, and recognize the imaging appearance of traumatic vessel injury...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931762/modern-imaging-of-aneurysmal-subarachnoid-hemorrhage
#9
REVIEW
Simon Levinson, Arjun V Pendharkar, Andrew J Gauden, Jeremy J Heit
In this review, we discuss the imaging of aneurysmal subarachnoid hemorrhage (SAH). We discuss emergency brain imaging, aneurysm detection techniques, and the management of CTA-negative SAH. We also review the concepts of cerebral vasospasm and delayed cerebral ischemia that occurs after aneurysm rupture and their impact on patient outcomes. These pathologies are distinct, and the use of multimodal imaging modalities is essential for prompt diagnosis and management to minimize morbidity from these conditions...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931761/advanced-imaging-for-acute-stroke-treatment-selection-ct-cta-ct-perfusion-and-mr-imaging
#10
REVIEW
Robert W Regenhardt, Christopher A Potter, Samuel S Huang, Michael H Lev
There is constant evolution in the diagnosis and treatment of acute ischemic stroke due to advances in treatments, imaging, and outreach. Two major revolutions were the advent of intravenous thrombolysis in the 1990s and endovascular thrombectomy in 2010s. Neuroimaging approaches have also evolved with key goals-detect hemorrhage, augment thrombolysis treatment selection, detect arterial occlusion, estimate infarct core, estimate viable penumbra, and augment thrombectomy treatment selection. The ideal approach to diagnosis and treatment may differ depending on the system of care and available resources...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931760/evaluation-of-collateral-circulation-in-patients-with-acute-ischemic-stroke
#11
REVIEW
Keiko A Fukuda, David S Liebeskind
The cerebral collateral circulation is an increasingly important consideration in the management of acute ischemic stroke and is a key determinant of outcomes. Growing evidence has demonstrated that better collaterals can predict the rate of infarct progression, degree of recanalization, the likelihood of hemorrhagic transformation and various therapeutic opportunities. Collaterals can also identify those unlikely to respond to reperfusion therapies, helping to optimize resources. More randomized trials are needed to evaluate the risks and benefits of endovascular reperfusion with consideration of collateral status...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931759/ischemic-infarction-in-young-adults
#12
REVIEW
Janet Yanqing Mei, Pamela W Schaefer
Ischemic strokes in young adults are increasing in incidence and have emerged as a public health issue. The radiological features are not only diagnostic in identifying ischemic infarctions but also provide important clues in the investigation of the underlying causes or in the identification of risk factors. According to the different imaging patterns associated with ischemic stroke in young adults, the causes can be classified into 5 categories: cardioembolism, large vessel vasculopathy, small vessel vasculopathy, toxic-metabolic, and hypercoagulable disorders...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36931758/pearls-and-pitfalls-of-carotid-artery-imaging-ultrasound-computed-tomography-angiography-and-mr-imaging
#13
REVIEW
Riccardo Cau, Ajay Gupta, Marianne Eline Kooi, Luca Saba
Stroke represents a major cause of morbidity and mortality worldwide with carotid atherosclerosis responsible for a large proportion of ischemic strokes. Given the high burden of the disease , early diagnosis and optimal secondary prevention are essential elements in clinical practice. For a long time, the degree of stenosis had been considered the parameter to judge the severity of carotid atherosclerosis. Over the last 30 years, literature has shifted attention from stenosis to structural characteristics of atherosclerotic lesion, eventually leading to the "vulnerable plaque" model...
May 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739154/imaging-of-the-lower-limb
#14
EDITORIAL
Alberto Bazzocchi, Giuseppe Guglielmi
No abstract text is available yet for this article.
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739153/imaging-guided-musculoskeletal-interventions-in-the-lower-limb
#15
REVIEW
Domenico Albano, Carmelo Messina, Salvatore Gitto, Francesca Serpi, Luca Maria Sconfienza
Imaging guidance is essential for musculoskeletal interventional procedures performed in the lower limb. A strong evidence supports the use of imaging guidance to improve safety, accuracy, and effectiveness of these interventions. Joints, tendons, bursae, and nerves can be effectively approached especially with ultrasound-guided injections. Here, we discuss evidence and technique of the most common image-guided musculoskeletal interventional procedures in the lower limb.
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739152/imaging-of-the-peripheral-nerves-of-the-lower-extremity
#16
REVIEW
Yoshimi Endo, Theodore T Miller, Darryl B Sneag
Continued advancements in magnetic resonance (MR) neurography and ultrasound have made both indispensable tools for the workup of peripheral neuropathy. Ultrasound provides high spatial resolution of superficial nerves, and techniques such as "sonopalpation" and dynamic maneuvers can improve accuracy. Superior soft tissue contrast, ability to evaluate both superficial and deep nerves with similar high resolution, and reliable characterization of denervation are strengths of MR neurography. Nevertheless, familiarity with normal anatomy, anatomic variants, and common sites of nerve entrapment is essential for radiologists to use both MR neurography and ultrasound effectively...
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739151/mr-imaging-of-the-lower-limb-pitfalls-tricks-and-tips
#17
REVIEW
Julia Daffinà, Riccardo Monti, Francesco Arrigoni, Federico Bruno, Pierpaolo Palumbo, Alessandra Splendiani, Ernesto Di Cesare, Carlo Masciocchi, Antonio Barile
The purpose of this article is to discuss most common diagnostic pitfalls of the lower limb with specific attention to the knee, ankle, and foot joints. The knowledge of normal anatomic variants, correlation with age, symptoms, and medical history together with these potential MR imaging pitfalls is fundamental for an accurate interpretation of the imaging findings of the lower limb.
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739150/imaging-of-lower-limb-tumors-and-tumor-like-conditions
#18
REVIEW
Sinan Al-Qassab, Radhesh Lalam, Jaspreet Singh, Prudencia N M Tyrrell
Bone and soft tissue lesions are frequently seen in the lower limbs. Many are non-neoplastic but may mimic tumours. In this article, we discuss a practical approach for the diagnosis and management of the most common tumours and tumour-like conditions seen in the lower limbs.
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739149/imaging-of-rheumatic-diseases-affecting-the-lower-limb
#19
REVIEW
Aurea Valeria Rosa Mohana-Borges, Christine B Chung
Imaging methods capable of detecting inflammation, such as MR imaging and ultrasound, are of paramount importance in rheumatic disease management, not only for diagnostic purposes but also for monitoring disease activity and treatment response. However, more advanced stages of arthritis, characterized by findings of cumulative structural damage, have traditionally been accomplished by radiographs and computed tomography. The purpose of this review is to provide an overview of imaging of some of the most prevalent inflammatory rheumatic diseases affecting the lower limb (osteoarthritis, rheumatoid arthritis, and gout) and up-to-date recommendations regarding imaging diagnostic workup...
March 2023: Radiologic Clinics of North America
https://read.qxmd.com/read/36739148/imaging-of-acute-ankle-and-foot-sprains
#20
REVIEW
Luis S Beltran, Nicolas Zuluaga, Anna Verbitskiy, Jenny T Bencardino
Ankle and foot injuries are very common injuries in the general population, and more so in athletes. MR imaging is the optimal modality to evaluate for ligamentous injuries of the ankle and associated conditions after ankle sprain. In this article, the authors discuss the epidemiology, biomechanics, normal anatomy, and pathology of the ankle as well as injuries of the hindfoot and midfoot that are often associated with ankle injuries.
March 2023: Radiologic Clinics of North America
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