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https://www.readbyqxmd.com/read/28318403/familial-cerebral-cavernous-malformations-are-associated-with-adrenal-calcifications-on-ct-scans-an-imaging-biomarker-for-a-hereditary-cerebrovascular-condition
#1
Corinne D Strickland, Steven C Eberhardt, Mary R Bartlett, Jeffrey Nelson, Helen Kim, Leslie A Morrison, Blaine L Hart
Purpose To determine if adrenal calcifications seen at computed tomography (CT) are associated with familial cerebral cavernous malformations (fCCMs) in carriers of the CCM1 Common Hispanic Mutation. Materials and Methods This study was approved by the institutional review board. The authors retrospectively reviewed abdominal CT scans in 38 patients with fCCM, 38 unaffected age- and sex-matched control subjects, and 13 patients with sporadic, nonfamilial cerebral cavernous malformation (CCM). The size, number, and laterality of calcifications and the morphologic characteristics of the adrenal gland were recorded...
March 20, 2017: Radiology
https://www.readbyqxmd.com/read/28298577/trauma-imaging-a-literature-review
#2
Jason Heath Vela, Christopher Ira Wertz, Kimberly L Onstott, Joss R Wertz
PURPOSE: To inform radiologic technologists about which imaging modalities and examinations are best suited for evaluating specific anatomical structures in patients who have sustained a traumatic injury. METHODS: Two scholarly research databases were searched to identify articles focused on trauma imaging of the head, cervical spine, thorax, abdomen, and pelvis. Articles focused on trauma diagnosis were excluded. Thirty-two articles were selected for analysis. DISCUSSION: Physical examination and plain-film radiographs typically are used to assess nasal bone fracures...
January 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28286831/predictive-factors-of-survival-and-6-month-favorable-outcome-of-very-severe-head-trauma-patients-a-historical-cohort-study
#3
Karin Vathanalaoha, Thakul Oearsakul, Thara Tunthanathip
INTRODUCTION: Very severe head trauma cases, defined as Glasgow Coma Scale (GCS) scores of less than 6, have a higher mortality rate and poorer outcome. The purpose of this study was to recognize factors associated with survival and 6-month favorable outcome of very severe head trauma patients presenting to emergency department. METHODS: In this historical cohort study, the authors retrospectively reviewed medical records of head trauma patients who were admitted to the emergency department with post-resuscitation GCS scores of less than 6...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28275563/neonatal-cranial-sonography-ultrasound-findings-in-neonatal-meningitis-a-pictorial-review
#4
REVIEW
Nishant Gupta, Hemal Grover, Itisha Bansal, Kusum Hooda, Joshua M Sapire, Rama Anand, Yogesh Kumar
Neonatal bacterial meningitis is a common manifestation of late onset neonatal sepsis. Cranial sonography (CRS) has a crucial role in assessment of infants with clinical suspicion of bacterial meningitis as well as follows up of its complications. CRS is performed with high frequency transducer through anterior fontanelle in both coronal and sagittal planes. Various sonographic findings range from echogenic and widened sulci, ventriculomegaly, ventriculitis, hydrocephalus, extra-axial fluid collections, cerebritis and brain abscess...
February 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/28268128/mr-imaging-of-adult-acute-infectious-encephalitis
#5
REVIEW
A Bertrand, D Leclercq, L Martinez-Almoyna, N Girard, J-P Stahl, T De-Broucker
BACKGROUND: Imaging is a key tool for the diagnosis of acute encephalitis. Brain CT scan must be urgently performed to rule out a brain lesion with mass effect that would contraindicate lumbar puncture. Brain MRI is less accessible than CT scan, but can provide crucial information with patients presenting with acute encephalitis. METHOD: We performed a literature review on PubMed on April 1, 2015 with the search terms "MRI" and "encephalitis". RESULTS: We first described the various brain MRI abnormalities associated with each pathogen of acute encephalitis (HSV, VZV, other viral agents targeting immunocompromised patients or travelers; tuberculosis, listeriosis, other less frequent bacterial agents)...
March 3, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28267746/systematic-review-and-meta-analysis-estimating-association-of-cysticercosis-and-neurocysticercosis-with-epilepsy
#6
Gabrielle Debacq, Luz M Moyano, Héctor H Garcia, Farid Boumediene, Benoit Marin, Edgard B Ngoungou, Pierre-Marie Preux
BACKGROUND: We reviewed studies that analyzed cysticercosis (CC), neurocysticercosis (NCC) and epilepsy across Latin America, Asia and Sub-Saharan Africa, to estimate the odds ratio and etiologic fraction of epilepsy due to CC in tropical regions. METHODOLOGY: We conducted a systematic review of the literature on cysticercosis and epilepsy in the tropics, collecting data from case-control and cross-sectional studies. Exposure criteria for CC included one or more of the following: serum ELISA or EITB positivity, presence of subcutaneous cysts (both not verified and unverified by histology), histology consistent with calcified cysts, and brain CT scan consistent with NCC...
March 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28262405/improving-the-accuracy-of-microelectrode-recording-in-deep-brain-stimulation-surgery-with-intraoperative-ct
#7
Ryan B Kochanski, Gian Pal, Sander Bus, Leo Verhagen Metman, Sepehr Sani
Microelectrode recording (MER) is used to confirm electrophysiological signals within intended anatomic targets during deep brain stimulation (DBS) surgery. We describe a novel technique called intraoperative CT-guided extrapolation (iCTE) to predict the intended microelectrode trajectory and, if necessary, make corrections in real-time before dural opening. Prior to dural opening, a guide tube was inserted through the headstage and rested on dura. Intraoperative CT (iCT) was obtained, and a trajectory was extrapolated along the path of the guide tube to target depth using targeting software...
March 2, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28258310/head-injuries-and-the-risk-of-concurrent-cervical-spine-fractures
#8
Tuomo Thesleff, Anneli Kataja, Juha Öhman, Teemu M Luoto
BACKGROUND: Cervical spine injuries of variable severity are common among patients with an acute traumatic brain injury (TBI). We hypothesised that TBI patients with positive head computed tomography (CT) scans would have a significantly higher risk of having an associated cervical spine fracture compared to patients with negative head CT scans. METHOD: This widely generalisable retrospective sample was derived from 3,023 consecutive patients, who, due to an acute head injury (HI), underwent head CT at the Emergency Department of Tampere University Hospital (August 2010-July 2012)...
March 3, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28248802/repeat-head-imaging-in-blunt-pediatric-trauma-patients-is-it-necessary
#9
E Patricia Hill, P J Stiles, Jared Reyes, R Joseph Nold, Stephen D Helmer, James M Haan
BACKGROUND: Children with confirmed brain injury usually undergo follow-up computed tomography scan (CT) of the head within 24 hours of admission. To date, no evidence exists to validate the diagnostic or therapeutic value of these repeat CTs. The purpose of this study was to: (1) evaluate progression of traumatic brain injuries, (2) determine if routine repeat imaging changes management, and (3) compare the efficacy of recognizing worsening hemorrhage with serial neurologic examination versus repeat imaging...
February 28, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28246520/concurrent-low-brain-and-high-liver-uptake-on-fdg-pet-are-associated-with-cardiovascular-risk-factors
#10
Hyun-Yeol Nam, Sungmin Jun, Kyoungjune Pak, In Joo Kim
OBJECTIVE: Concurrent low brain and high liver uptake are sometimes observed on fluorine-18-labeled fluoro-2-deoxy-D-glucose (FDG) positron emission tomography (PET). We investigated the potential clinical significance of this uptake pattern related to metabolic syndrome (MS). MATERIALS AND METHODS: We retrospectively reviewed data from 264 consecutive males who had undergone general health check-ups, including FDG PET/CT scans. After an overnight fast, the men had their peripheral blood drawn and the levels of various laboratory parameters measured; an FDG PET/CT scan was performed on the same day...
March 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28242442/genetic-biomarkers-of-posttraumatic-epilepsy-a-systematic-review
#11
REVIEW
Devyn Cotter, Andrew Kelso, Aidan Neligan
INTRODUCTION: Posttraumatic epilepsy (PTE) is caused by traumatic brain injury (TBI) and is an important contributor to the overall social and economic burden of epilepsy. Epidemiological studies suggest that there is a genetic contribution to the development of PTE. Identification of clinically useful genetic biomarkers is important for advancements in diagnosis and treatment of PTE. METHODS: A systematic review was performed on the existing literature of genetic biomarkers of posttraumatic epilepsy (PTE)...
February 9, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28235952/rete-mirabile-associated-with-pial-arteriovenous-fistula-imaging-features-with-literature-review
#12
Prabath Kumar Mondel, Rashmi Saraf, Uday S Limaye
A rete mirabile is a vascular network of intercommunicating small arteries or arterioles that replace the definitive adult artery supplying the brain. It supplies the brain in lower mammals but is not seen in normal human embryological development. A 26-year-old man presented with worsening tinnitus that was interfering with his sleep. On CT and digital subtraction angiography he was found to have a temporal lobe pial arteriovenous fistula with bilateral carotid and vertebral rete mirabile. The patient was offered open surgical and endovascular treatment options for pial arteriovenous fistula but he refused both and opted for conservative medical management...
February 24, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28213195/blunt-traumatic-brain-injury-patients-a-role-for-ct-angiography-of-the-head-to-evaluate-non-traumatic-etiologies
#13
REVIEW
Ha Nguyen, Ninh Doan, Michael Gelsomino, Saman Shabani
BACKGROUND: In the setting of trauma, the etiology of intracranial hemorrhage (ICH) is frequently attributed to the physical, traumatic event. Caution should still be directed towards non-traumatic (or spontaneous) etiologies responsible for the trauma, such as hypertension, cerebral amyloid angiopathy, aneurysms, vascular malformation, and hemorrhagic infarcts. The role for immediate CT angiography (CTA) remains controversial to evaluate for non-traumatic etiologies. METHODS: A systematic review of the available literature in Medline PubMed database...
February 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28209646/rete-mirabile-associated-with-pial-arteriovenous-fistula-imaging-features-with-literature-review
#14
REVIEW
Prabath Kumar Mondel, Rashmi Saraf, Uday S Limaye
A rete mirabile is a vascular network of intercommunicating small arteries or arterioles that replace the definitive adult artery supplying the brain. It supplies the brain in lower mammals but is not seen in normal human embryological development. A 26-year-old man presented with worsening tinnitus that was interfering with his sleep. On CT and digital subtraction angiography he was found to have a temporal lobe pial arteriovenous fistula with bilateral carotid and vertebral rete mirabile. The patient was offered open surgical and endovascular treatment options for pial arteriovenous fistula but he refused both and opted for conservative medical management...
February 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28208150/acute-and-subacute-presentations-of-cerebral-edema-following-deep-brain-stimulation-lead-implantation
#15
Albert J Fenoy, Sebastian J Villarreal, Mya C Schiess
BACKGROUND/AIMS: Postoperative cerebral edema around a deep brain stimulation (DBS) electrode is an uncommon reported complication. The goal of this study was to identify instances of postoperative edema based on clinical presentation, and to remark on their management. METHODS: A retrospective chart review was performed on all patients who underwent DBS electrode implantation over a 3-year period. Routine CT imaging on postoperative day (POD) 1 was negative. Patients were identified based on clinical neurological changes, leading to imaging and subsequent diagnosis...
February 17, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28192877/effect-of-hyperglycemia-on-brain-and-liver-18-f-fdg-standardized-uptake-value-fdg-suv-measured-by-quantitative-positron-emission-tomography-pet-imaging
#16
Benjamin L Viglianti, Ka Kit Wong, Stephanie M Wimer, Aishwarya Paraeswaran, Bin Nan, Christy Ky, Danyelle M Townsend, Domenico Rubello, Kirk A Frey, Milton D Gross
PURPOSE: Blood glucose is routinely measured prior to (18)F-fluorodeoxyglucose (FDG) administration in positron emission tomography (PET) imaging to identify hyperglycemia that may affect image quality. In this study we explore the effects of blood glucose levels upon semi-quantitative standardized uptake value (SUV) measurements of target organs and tissues of interest and in particular address the relationship of blood glucose to FDG accumulation in the brain and liver. METHODS: 436 FDG PET/CT consecutive studies performed for oncology staging in 229 patients (226 male) at the Ann Arbor Veterans Administration Healthcare System were reviewed...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28190518/brain-computed-tomography-compared-with-facial-3-dimensional-computed-tomography-for-diagnosis-of-facial-fractures
#17
Sun Hwa Lee, Seong Jong Yun, Seokyong Ryu, Seoung Won Choi, Hye Jin Kim, Tae Kyug Kang, Sung Chan Oh, Suk Jin Cho
OBJECTIVES: To compare the detection of facial fractures and radiation dose between brain computed tomography (CT) and facial 3-dimensional (3D) CT in pediatric patients who have experienced a trauma. STUDY DESIGN: Four hundred pediatric patients who experienced a trauma and underwent immediate brain CT and facial 3D CT between January 2016 and June 2016 were included in this retrospective study. Two reviewers independently analyzed and determined the presence of the facial fractures of 8 anatomic regions based on brain CT and facial 3D CT over a 1-week interval...
February 9, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28185967/intraoperative-ct-and-nexframe-guided-placement-of-bilateral-hippocampal-based-responsive-neurostimulation-a-technical-note
#18
Kunal Gupta, Jeffrey S Raskin, Ahmed M Raslan
INTRODUCTION: Surgical resection of a lesion that correlates with seizure onset in patients with epilepsy can dramatically improve seizure burden and quality of life. For bilateral hippocampal lesions, bilateral resection comes with a risk of severe cognitive deficits. Responsive neurostimulation (RNS) devices offers a new modality to treat multifocal lesions in a reversible manner, including bilateral hippocampal stimulation. We describe technical aspects of Nexframe-assisted placement of bilateral NeuroPace mesial temporal electrodes, and case examples...
February 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28183837/diagnostic-performance-of-ultrafast-brain-mri-for-evaluation-of-abusive-head-trauma
#19
S F Kralik, M Yasrebi, N Supakul, C Lin, L G Netter, R A Hicks, R A Hibbard, L L Ackerman, M L Harris, C Y Ho
BACKGROUND AND PURPOSE: MR imaging with sedation is commonly used to detect intracranial traumatic pathology in the pediatric population. Our purpose was to compare nonsedated ultrafast MR imaging, noncontrast head CT, and standard MR imaging for the detection of intracranial trauma in patients with potential abusive head trauma. MATERIALS AND METHODS: A prospective study was performed in 24 pediatric patients who were evaluated for potential abusive head trauma...
February 9, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28169856/postinterventional-critical-care-management-of-aneurysmal-subarachnoid-hemorrhage
#20
Sudhir Datar, Alejandro A Rabinstein
PURPOSE OF REVIEW: Subarachnoid hemorrhage from a ruptured aneurysm (aSAH) is a complex disorder with the potential to have devastating effects on the brain as well as other organ systems. After more than 3 decades of research, the underlying pathophysiologic mechanisms remain incompletely understood and important questions remain regarding the evaluation and management of these patients. The purpose of this review is to analyze the recent literature and improve our understanding of certain key clinical aspects...
April 2017: Current Opinion in Critical Care
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