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Neuroradiology Journal

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https://www.readbyqxmd.com/read/27903923/stent-assisted-coil-embolization-of-a-recurrent-posterior-cerebral-artery-aneurysm-following-surgical-clipping
#1
Tomonori Takeshita, Tomoaki Nagamine, Kohei Ishihara, Yasuhiko Kaku
Posterior cerebral artery (PCA) aneurysms are rare, and direct surgery of these is considered difficult. Coil embolization of PCA aneurysms is becoming popular. However, it is difficult to completely obliterate the aneurysm while preserving the flow of the parent artery in large or giant PCA aneurysms with a wide neck with this technique. We report a case of a large and wide-necked PCA aneurysm with multiple recurrences following successful surgical clipping and coil embolization.A 77-year-old man with a large unruptured right PCA (P2) aneurysm was successfully treated by surgical clipping...
November 30, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27895201/intraorbital-wooden-foreign-body-detected-by-computed-tomography-and-magnetic-resonance-imaging
#2
Alfredo Di Gaeta, Francesco Giurazza, Eugenio Capobianco, Alvaro Diano, Mario Muto
To identify and localize an intraorbital wooden foreign body is often a challenging radiological issue; delayed diagnosis can lead to serious adverse complications. Preliminary radiographic interpretations are often integrated with computed tomography and magnetic resonance, which play a crucial role in reaching the correct definitive diagnosis. We report on a 40 years old male complaining of pain in the right orbit referred to our hospital for evaluation of eyeball pain and double vision with an unclear clinical history...
November 28, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27888275/acute-disseminated-encephalomyelitis-following-campylobacter-jejuni-gastroenteritis-case-report-and-review-of-the-literature
#3
Simone Marziali, Eliseo Picchi, Francesca Di Giuliano, Simone Altobelli, Giorgia Mataluni, Girolama Marfia, Francesco Garaci, Roberto Floris
We describe a case of a 25-year-old male with a diagnosis of acute disseminated encephalomyelitis (ADEM) following infection with Campylobacter jejuni, which is implicated in various human pathologies regarding the central nervous system (CNS) with acute course like Guillain-Barré syndrome (GBS), Miller-Fisher syndrome (MFS), Bickerstaff's brainstem encephalitis (BEE), acute transverse myelitis (ATM) as well as ADEM. These conditions are caused by cross-reactivity between Campylobacter's epitopes and cells of the CNS that causes an immunomediated inflammatory demyelination of the CNS...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27888274/percutaneous-sacroplasty-for-the-management-of-painful-pathologic-fracture-in-a-multiple-myeloma-patient-case-report-and-review-of-the-literature
#4
A A Dmytriw, K Talla, R Smith
Percutaneous kyphoplasty has a well-established role in the treatment of pathologic fractures in patients with multiple myeloma. Despite this, there is a scarcity of literature surrounding its use and efficacy in the sacrum. We present a case of successful symptom resolution in a patient with painful sacral fracture following sacroplasty, and review the existing literature.An 81-year-man with multiple myeloma presented to the hematology/oncology clinic with a history of excruciating pain while seated. The impact of this pain on his quality of life subjectively was rated to be particularly high...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27888273/upward-ballooning-of-the-third-ventricle-floor-in-a-patient-with-slit-ventricle-syndrome-a-unique-magnetic-resonance-imaging-finding
#5
Junya Yamaguchi, Tadashi Watanabe, Yuichi Nagata, Tetuya Nagatani, Yukio Seki
Slit ventricle syndrome (SVS) is a well-known chronic complication of ventriculoperitoneal shunt (VPS) placement. In this report, we describe a unique anatomical change that we observed on the magnetic resonance (MR) images of the brain acquired from a patient with SVS. The patient was a 40-year-old woman who had undergone VPS placement at 3 months of age. A computed tomography scan of her brain revealed a slit-like ventricle. In addition, an MR image of her brain revealed upward ballooning of the third ventricle floor, which returned to normal after a lumbar puncture...
November 25, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27881816/hypothermia-treated-neonates-with-hypoxic-ischemic-encephalopathy-optimal-timing-of-quantitative-adc-measurement-to-predict-disease-severity
#6
Yauk K Lee, Alex Penn, Mahesh Patel, Rajul Pandit, Dongli Song, Bo Yoon Ha
To determine the optimal time window for MR imaging with quantitative ADC measurement in neonatal HIE after hypothermia treatment, a retrospective review was performed on consecutive hypothermia-treated term neonates with HIE, with an initial and follow-up MR imaging within the first two weeks of life. Three neuroradiologists categorized each set of MR imaging as normal, mild, moderate or severe HIE based on a consensus review of the serial imaging. The lowest ADC values from the white matter, corpus callosum, and basal ganglia/thalamus were measured...
November 23, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27864579/automated-segmentation-reveals-silent-radiographic-progression-in-adult-onset-vanishing-white-matter-disease
#7
Thomas Huber, Marina Herwerth, Esther Alberts, Jan S Kirschke, Claus Zimmer, Ruediger Ilg
Adult-onset vanishing white-matter disease (VWM) is a rare autosomal recessive disease with neurological symptoms such as ataxia and paraparesis, showing extensive white-matter hyperintensities (WMH) on magnetic resonance (MR) imaging. Besides symptom-specific scores like the International Cooperative Ataxia Rating Scale (ICARS), there is no established tool to monitor disease progression. Because of extensive WMH, visual comparison of MR images is challenging. Here, we report the results of an automated method of segmentation to detect alterations in T2-weighted fluid-attenuated-inversion-recovery (FLAIR) sequences in a one-year follow-up study of a clinically stable patient with genetically diagnosed VWM...
November 18, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27864578/mesoscopic-imaging-of-glioblastomas-are-diffusion-perfusion-and-spectroscopic-measures-influenced-by-the-radiogenetic-phenotype
#8
Theo Demerath, Carl Philipp Simon-Gabriel, Elias Kellner, Ralf Schwarzwald, Thomas Lange, Dieter Henrik Heiland, Peter Reinacher, Ori Staszewski, Hansjörg Mast, Valerij G Kiselev, Karl Egger, Horst Urbach, Astrid Weyerbrock, Irina Mader
The purpose of this study was to identify markers from perfusion, diffusion, and chemical shift imaging in glioblastomas (GBMs) and to correlate them with genetically determined and previously published patterns of structural magnetic resonance (MR) imaging. Twenty-six patients (mean age 60 years, 13 female) with GBM were investigated. Imaging consisted of native and contrast-enhanced 3D data, perfusion, diffusion, and spectroscopic imaging. In the presence of minor necrosis, cerebral blood volume (CBV) was higher (median ± SD, 2...
November 18, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27864577/diagnosing-necrotic-meningioma-a-distinctive-imaging-pattern-in-diffusion-mri-and-mr-spectroscopy
#9
Gal Ben-Arie, Yonatan Serlin, Sebastian Ivens, Mony Benifla, Emanuela Cagnano, Israel Melamed, Vladimir Merkin, Ilan Shelef
The differential diagnosis of necrotic meningiomas includes brain abscess and malignant neoplasms. We report and discuss hereby the work-up of two patients diagnosed with necrotic meningioma using diffusion-weighted imaging, magnetic resonance spectroscopy, resective surgery, and histopathology. The purpose of the present article is to add to the scant literature on the use of advanced imaging modalities in the routine investigation of brain lesions and their utility in arriving at the final diagnosis.
November 18, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27837185/quantitative-estimation-of-a-ratio-of-intracranial-cerebrospinal-fluid-volume-to-brain-volume-based-on-segmentation-of-ct-images-in-patients-with-extra-axial-hematoma
#10
Ha Son Nguyen, Mohit Patel, Luyuan Li, Shekar Kurpad, Wade Mueller
BACKGROUND: Diminishing volume of intracranial cerebrospinal fluid (CSF) in patients with space-occupying masses have been attributed to unfavorable outcome associated with reduction of cerebral perfusion pressure and subsequent brain ischemia. OBJECTIVE: The objective of this article is to employ a ratio of CSF volume to brain volume for longitudinal assessment of space-volume relationships in patients with extra-axial hematoma and to determine variability of the ratio among patients with different types and stages of hematoma...
November 11, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27837184/mri-findings-and-cognitive-functions-in-a-small-cohort-of-myotonic-dystrophy-type-1-retrospective-analyses
#11
Arsida Bajrami, Filiz Azman, Vildan Yayla, Sultan Cagirici, Cahit Keskinkiliç, Nejla Sozer
Myotonic dystrophy type 1 (DM1) is a progressive multisystemic disease with common cognitive deficits and potential brain involvement in addition to the cardinal muscular and systemic symptoms. Impaired mental function associated with nonspecific pathological findings such as white-matter hyperintense lesions (WMHLs), ventricular enlargement and brain atrophy on brain MRI have been previously reported in DM1 patients. While some studies showed correlation of brain morphological changes with neuropsychological and clinical parameters including CTG repeat sizes and disease severity scales in DM1, others failed...
November 11, 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27677296/diffusion-tensor-imaging-analysis-of-the-brain-in-the-canine-model-of-krabbe-disease
#12
Allison Bradbury, David Peterson, Charles Vite, Steven Chen, N Matthew Ellinwood, James Provenzale
PURPOSE: The goal of this study was to compare the diffusion tensor imaging (DTI) metrics from an end-stage canine Krabbe brain evaluated by MR imaging ex vivo to those of a normal dog brain. We hypothesized that the white matter of the canine Krabbe brain would show decreased fractional anisotropy (FA) values and increased apparent diffusion coefficient (ADC) and radial diffusivity (RD) values. METHODS: An 11-week-old Krabbe dog was euthanized after disease progression...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27650653/head-and-neck-inflammatory-pseudotumor-case-series-and-review-of-the-literature
#13
Sagar Kansara, Diana Bell, Jason Johnson, Mark Zafereo
Inflammatory pseudotumor (IP) is an uncommon idiopathic lesion that often imitates malignancy clinically and radiologically. Inflammatory pseudotumors have been found to occur in various sites but rarely in the head and neck. The histopathology, imaging, and treatment of three unique cases of head and neck inflammatory pseudotumors are described in this case series. Patients in Cases 1 and 2 presented with right level II neck mass and left parotid tail mass, respectively. The patient in Case 3 presented with otalgia, jaw pain and trismus, and a left parapharyngeal space mass...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27613246/developmental-venous-anomaly-presenting-as-a-spontaneous-intraparenchymal-hematoma-without-thrombosis
#14
Nitin Agarwal, Giulio Zuccoli, Geoffrey Murdoch, Brian T Jankowitz, Stephanie Greene
INTRODUCTION: Developmental venous anomalies (DVAs) are cited as the most common cerebral vascular malformations. Still, intracerebral hematomas are rarely thought to be caused by DVAs. In this report, the authors present a unique case of a DVA that hemorrhaged spontaneously, rather than hemorrhaging into a venous infarction following DVA thrombosis as has been more commonly reported. CLINICAL PRESENTATION: A 22-year-old previously healthy male presented to the emergency department with a severe headache, confusion, and progressive hemiparesis...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27576337/a-huge-retropharyngeal-bronchogenic-cyst-displacing-the-posterior-wall-of-the-hypopharynx-case-report-and-review-of-the-literature
#15
Michele Cavaliere, Mariano Cimmino, Stefania Sicignano, Felice Rega, Nunzia Maione, Francesca Malacario, Lorenzo Ugga, Camilla Russo
Lesions of the retropharyngeal space (RPS) are uncommon, and they generally present as solitary, painless masses, which are often cystic. They usually originate from branchial arches anomalies, and only in a few cases do they turn out to be bronchogenic cysts. Generally, these lesions are diagnosed in childhood, but sometimes they can appear in adulthood. We report here a rare case of a bronchogenic cyst expanding into the RPS and causing dysphagia in an adult patient treated surgically. Since the RPS is clinically inaccessible, clinical examination was not crucial in determining the correct diagnosis, and only the additional information provided by radiological examinations led to the final diagnosis, which is essential for accurate surgical planning...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27566705/an-epidural-arteriovenous-fistula-studied-with-time-resolved-imaging-of-contrast-kinetics-tricks-sequence
#16
Andrea Romano, Arturo Consoli, Francesca Tari Capone, Francesco Biraschi, Giacomo Suma, Salvatore Mangiafico, Alessandro Bozzao
We describe the use of time-resolved MR angiography in the diagnosis of cervical epidural arteriovenous fistula before final diagnosis and embolization was achieved by digital subtraction angiography. A 42-year-old woman was referred to us because of headache and dizziness, in addition to radiculopathy of the right superior limb. Angiographic examinations documented a direct high-flow arteriovenous fistula between the right vertebral artery and the cervical epidural venous plexus. The point of fistula was located in the upper third of the cervical segment below the C2 arch...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27562580/de%C3%A2-novo-formation-of-cerebral-cavernous-malformation-adjacent-to-existing-developmental-venous-anomaly-an-effect-of-change-in-venous-pressure-associated-with-management-of-a-complex-dural-arterio-venous-fistula
#17
Hariprakash Chakravarthy, Tzu-Kang Lin, Yao-Liang Chen, Yi-Ming Wu, Chin-Hua Yeh, Ho-Fai Wong
This is a case report of de novo development of two cerebral cavernous malformations adjacent to existing developmental venous anomalies. The development of cavernomas was noted over a follow-up period of 10 years. These developments happened during the course of staged endovascular management of a complex dural arterio-venous fistula along the right sphenoid wing. The patient presented with a proptosis secondary to lympho-haemangiomatous lesion of the fronto-orbital region and a high-flow right sphenoid wing dural arterio-venous fistula...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27558994/pulvinar-sign-in-a-case-of-anti-hu-paraneoplastic-encephalitis
#18
Pierre-Luc Gamache, Maude-Marie Gagnon, Martin Savard, François Émond
This article reports the case of a 68-year-old patient with anti-HU antibodies paraneoplastic encephalitis. The clinical manifestations were atypical and the paraclinical work-up, notably the magnetic resonance imaging (MRI) showing bilateral posterior thalamic hyperintensities (pulvinar sign), misleadingly pointed towards a variant Creutzfeld-Jakob disease. After presenting the case, the differential diagnosis of the pulvinar sign is discussed along with other important diagnostic considerations.
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27558993/stent-assisted-coil-embolisation-for-bilateral-vertebral-artery-dissecting-aneurysms-presenting-with-subarachnoid-haemorrhage
#19
Tatsuya Ishikawa, Koji Yamaguchi, Hidenori Anami, Taichi Ishiguro, Go Matsuoka, Takakazu Kawamata
Bilateral dissecting aneurysms presenting with subarachnoid haemorrhage are rare. The treatment strategy for bilateral vertebral artery dissecting aneurysms is controversial because the contralateral vertebral artery is already dissected and can easily undergo enlargement or bleed after non-reconstructive treatment procedures such as trapping or proximal occlusion. Here, we report a case of bilateral vertebral artery dissecting aneurysm presenting with subarachnoid haemorrhage that was treated with stent-assisted coiling for the ruptured side...
December 2016: Neuroradiology Journal
https://www.readbyqxmd.com/read/27558992/serial-magnetic-resonance-imaging-findings-of-intracerebral-spread-of-listeria-utilising-subcortical-u-fibres-and-the-extreme-capsule
#20
Charlie Chia-Tsong Hsu, Dalveer Singh, Trevor William Watkins, Gigi Nga Chi Kwan, Matt Skalski, Sachintha Hapugoda, Ipeson Korah
We present a case of Listeria monocytogenes cerebral abscess with axonal spread via the subcortical U-fibres and extreme capsule on magnetic resonance imaging, with follow-up studies demonstrating serial reduction in oedema and enhancement pattern of the white-matter fibre tracts following antimicrobial treatment. We discuss the microbiological mechanism of bacterial mobility to account for these unique imaging features. Recognition of this distinct pattern of spread of L. monocytogenes cerebral abscess may aid in diagnosis and enable early microbiological culture and treatment...
December 2016: Neuroradiology Journal
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