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Neuroimaging Clinics of North America

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https://www.readbyqxmd.com/read/30007762/emergent-neuroimaging-a-patient-focused-approach
#1
EDITORIAL
Diego B Nunez
No abstract text is available yet for this article.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007761/emergent-neuroimaging-a-patient-focused-approach
#2
EDITORIAL
Suresh K Mukherji
No abstract text is available yet for this article.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007760/radiation-dose-considerations-in-emergent-neuroimaging
#3
REVIEW
Walter F Wiggins, Aaron D Sodickson
Computed tomography is often the first-line diagnostic imaging modality in the evaluation of patients with neurologic emergencies. A patient-centered approach to radiation dose management in emergent neuroimaging thus revolves around the appropriate use of computed tomography, including clinical decision support for ordering providers, thoughtful protocol design, the use of available technological advances in computed tomography, and radiation exposure monitoring at a population level. A multifaceted approach can help to minimize radiation exposure to individual patients while preserving diagnostic quality imaging...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007759/the-imaging-of-maxillofacial-trauma-2017
#4
REVIEW
Mark P Bernstein
Maxillofacial injuries account for a large portion of emergency department visits and often result in surgical consultation. Although many of the principles of fracture detection and repair are basic, the evolution of technology and therapeutic strategies has led to improved patient outcomes. This article aims to provide a clinical review of imaging aspects involved in maxillofacial trauma and to delineate its relevance to patient management.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007758/blunt-craniocervical-trauma-does-the-patient-have-a-cerebral-vascular-injury
#5
REVIEW
Aaron Winn, Anthony M Durso, Catalina Restrepo Lopera, Felipe Munera
Blunt cerebrovascular injury involves injury to the carotid and/or vertebral arteries sustained via generalized multitrauma or directed blunt craniocervical trauma. Stroke remains the most consequential outcome. Timely diagnosis and initiation of treatment before the development of neurologic complications has a well-established role in decreasing morbidity and mortality. This article presents evidence and controversies surrounding the optimization of diagnostic imaging for suspected blunt cerebrovascular injury...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007757/current-challenges-in-the-use-of-computed-tomography-and-mr-imaging-in-suspected-cervical-spine-trauma
#6
REVIEW
Frank J Minja, Kushal Y Mehta, Ali Y Mian
There is controversy regarding the optimal imaging strategy in adult blunt trauma patients for suspected cervical spine trauma. Some investigators recommend negative computed tomography (CT) alone to clear the cervical spine in adult blunt trauma patients, while others insist that MR imaging is necessary, especially among obtunded adult blunt trauma patients. CT is an excellent imaging modality for bony cervical spine injury; however, there is a nonzero rate of clinically significant cervical spine injuries missed on CT...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007756/head-and-neck-injuries-special-considerations-in-the-elderly-patient
#7
REVIEW
Claire K Sandstrom, Diego B Nunez
Traumatic injuries to the head and neck are common in the elderly, which is a rapidly growing sector of the American population. Most injuries result from low-energy falls and therefore might be at risk for delayed presentation and undertriage. Imaging, particularly with computed tomography, plays a vital role in the evaluation of traumatic head and neck injuries in geriatric patients. A thorough understanding of the differing patterns of trauma in the elderly patient and the factors that are associated with poorer outcomes is essential...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007755/neurologic-emergencies-in-pediatric-patients-including-accidental-and-nonaccidental-trauma
#8
REVIEW
Gaurav Saigal, Nisreen S Ezuddin, Gabriela de la Vega
This article summarizes common neurologic emergencies presenting in pediatric patients. Imaging techniques and appearances of specific conditions are detailed, including pearls and pitfalls for each presentation. Specific attention is given to differential diagnoses that can serve as mimickers of pediatric neurologic emergencies.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007754/imaging-the-unconscious-found-down-patient-in-the-emergency-department
#9
REVIEW
Carlos Torres, Nader Zakhari, Sean Symons, Thanh B Nguyen
Unconsciousness may be due to severe brain damage or to potentially reversible causes. Noncontrast head computed tomography (CT) helps identify acute ischemic and hemorrhagic lesions as well as certain patterns of toxic encephalopathy. MR imaging plays an important role in the assessment of acutely encephalopathic patients who may show no significant abnormality on CT. This review describes some of the common and infrequent entities that can lead to unconsciousness, including epilepsy and vascular, traumatic, metabolic, and toxic disorders...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007753/emergent-neuroimaging-during-pregnancy-and-the-postpartum-period
#10
REVIEW
Guangzu Gao, Rebecca L Zucconi, William B Zucconi
Acute neurologic emergencies in pregnancy often require neuroimaging to guide diagnosis and treatment. Implementation of a patient-centered care model in radiology can alleviate a patient's stress, reinforce appropriate imaging workup, improve patient satisfaction, and lead to improved outcomes. The authors present the evaluation, differential diagnosis, and recommended imaging protocols for the three most common acute neurologic symptoms in pregnancy and the postpartum period: headache, seizure, and focal neurologic deficits...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007752/emergent-neuroimaging-in-the-oncologic-and-immunosuppressed-patient
#11
REVIEW
Christopher A Potter, Liangge Hsu
Neuroimaging in the emergency department increasingly involves patients at increased risk for acute neurologic complications from malignancy and immunosuppression, including patients with organ transplantation, diabetes mellitus, treatment of chronic disease, and HIV positivity. These patients are susceptible to the same infections and emergencies as immunocompetent patients, but may present differently with common illnesses and are susceptible to a variety of other diseases. This article reviews important patient risk factors, emergent central nervous system abnormalities, and their imaging findings...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007751/acute-neurologic-syndromes-beyond-stroke-the-role-of-emergent-mr-imaging
#12
REVIEW
Edward K Sung, Chad Farris, Mohamad Abdalkader, Asim Mian
MR imaging with diffusion-weighted imaging has been essential in the evaluation of acute stroke but is also crucial for the diagnosis, treatment, and follow-up in patients with various nonischemic disorders, including infectious processes, trauma, toxic/metabolic disorders, and other abnormalities. This article reviews various disorders with diffusion abnormality that can be commonly seen in the emergency setting.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007750/approach-to-imaging-in-patients-with-spontaneous-intracranial-hemorrhage
#13
REVIEW
Peter G Kranz, Michael D Malinzak, Timothy J Amrhein
Spontaneous intracranial hemorrhage is a commonly encountered neurologic emergency. Imaging plays important roles in both guiding the emergent stabilization of patients with ICH and in elucidating the etiology of the hemorrhage to prevent rebleeding. A thorough understanding of the factors that have an impact on immediate management, the causes of hemorrhage, and the strengths of various imaging techniques in addressing these 2 concerns is vital to crafting a patient-centered approach to this condition.
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007749/the-patient-with-thunderclap-headache
#14
REVIEW
Ajay Malhotra, Xiao Wu, Dheeraj Gandhi, Pina Sanelli
Thunderclap headache is a common presentation in the emergency department and, although multiple causes have been described, subarachnoid hemorrhage (SAH) is the primary concern and early diagnosis is critical. CT is highly sensitive if performed within 6 hours of onset. Patients with aneurysmal or perimesencephalic SAH should be evaluated with CT angiography. Further work-up should be guided by the pattern of blood. Patients with negative CT angiography may be further evaluated with MR imaging, especially patients with peripheral convexity SAH...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/30007748/the-adult-patient-with-acute-neurologic-deficit-an-update-on-imaging-trends
#15
REVIEW
Shahmir Kamalian, Michael H Lev
Stroke is the clinical syndrome of abrupt onset of acute neurologic deficit owing to decreased oxygen delivery to the brain, resulting in ischemia or infarction. Approximately 87% of strokes are ischemic and 13% are hemorrhagic. Improved awareness of the neuroimaging findings highlighted in recent stroke clinical trials, as well as of their role in patient selection for novel treatment options-including "late window" (8-24 hours post-ictus!) intraarterial thrombectomy-has become increasingly important...
August 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29622123/state-of-the-art-imaging-of-salivary-glands-disorders
#16
EDITORIAL
Ahmed Abdel Khalek Abdel Razek
No abstract text is available yet for this article.
May 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29622122/imaging-of-salivary-glands
#17
EDITORIAL
Suresh K Mukherji
No abstract text is available yet for this article.
May 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29622121/state-of-the-art-imaging-of-salivary-gland-tumors
#18
REVIEW
Ahmed Abdel Khalek Abdel Razek, Suresh K Mukherji
MR imaging is the modality of choice in evaluation of salivary gland tumors. Postcontrast MR imaging is adequate for exact localization and extension of salivary gland tumors and multiparametric of diffusion-weighted and dynamic contrast-enhanced MR imaging helps in characterization of benign and malignant salivary gland tumors. Imaging is important for preoperative localization, characterization of salivary gland tumors and locoregional extension, perineural spread, and nodal and distant staging of malignant salivary gland tumors...
May 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29622120/imaging-of-minor-salivary-glands
#19
REVIEW
Ahmed Abdel Khalek Abdel Razek, Suresh K Mukherji
Neoplastic and non-neoplastic lesions may involve the minor salivary glands. Tumors of minor salivary glands are commonly seen in the oral cavity. Malignant tumors are more common than benign minor salivary gland tumors. The most common malignant tumors are adenoid cystic carcinoma and mucoepidermoid carcinoma, and the most common benign tumor is pleomorphic adenoma. Non-neoplastic lesions may involve minor salivary glands such as Sjogrene disease, immunoglobulin G4-related disease, necrotizing sialometaplasia, and subacute necrotizing sialadenitis...
May 2018: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/29622119/routine-and-advanced-ultrasound-of-major-salivary-glands
#20
REVIEW
Kunwar Suryaveer Singh Bhatia, Yuk-Ling Dai
Ultrasound is the preferred initial imaging modality in Europe and Asia for assessing the major salivary glands. In experienced hands, it is sensitive for a range of salivary pathologies, often diagnostic, and also a safe, cost-effective gatekeeper for further investigations as well as image-guided diagnostic biopsies and aspirations. This article reviews the scanning technique and normal sonographic anatomy of major salivary glands and overviews typical sonographic appearances of salivary pathologies, including infective and inflammatory conditions, sialolithiasis, and neoplasms...
May 2018: Neuroimaging Clinics of North America
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