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neuroradiologic imaging findings

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https://www.readbyqxmd.com/read/29735244/management-of-incidental-pituitary-findings-on-ct-mri-and-18-f-fluorodeoxyglucose-pet-a-white-paper-of-the-acr-incidental-findings-committee
#1
Jenny K Hoang, Andrew R Hoffman, R Gilberto González, Max Wintermark, Bradley J Glenn, Pari V Pandharipande, Lincoln L Berland, David J Seidenwurm
The ACR Incidental Findings Committee presents recommendations for managing pituitary findings that are incidentally detected on CT, MRI and 18 F-fluorodeoxyglucose PET. The Pituitary Subcommittee, which included radiologists practicing neuroradiology and an endocrinologist, developed this algorithm. The recommendations draw from published evidence and expert opinion and were finalized by informal iterative consensus. Algorithm branches successively categorize pituitary findings on the basis of imaging features...
May 3, 2018: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29709429/mild-ventriculomegaly-from-fetal-consultation-to-neurodevelopmental-assessment-a-single-center-experience-and-review-of-the-literature
#2
Barbara Scelsa, Mariangela Rustico, Andrea Righini, Cecilia Parazzini, Marina Antonella Balestriero, Paola Introvini, Luigina Spaccini, Massimo Mastrangelo, Gianluca Lista, Gian Vincenzo Zuccotti, Pierangelo Veggiotti
OBJECTIVE: The aim of our study was to determine the outcome of fetuses with isolated mild ventriculomegaly, with prenatal imaging work-up, prenatal consultation, delivery and clinical follow-up performed in a single tertiary referring center. METHODS: Fetuses with isolated and non-progressive mild ventriculomegaly (10-15 mm) were included in the study. Inclusion criteria were as follows: singleton pregnancies, normal chromosomal analysis, normal serological evaluation of TORCH, fetal ultrasound and MRI excluding additional CNS or extra-CNS malformations...
April 12, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29704686/a-novel-nkx3-2-mutation-associated-with-perinatal-lethal-phenotype-of-spondylo-megaepiphyseal-metaphyseal-dysplasia-in-a-neonate
#3
Pelin Ozlem Simsek-Kiper, Can Kosukcu, Ozlem Akgun-Dogan, Rahsan Gocmen, Gulen Eda Utine, Tutku Soyer, Ayse Korkmaz-Toygar, Gen Nishimura, Mehmet Alikasifoglu, Koray Boduroglu
Spondylo-megaepiphyseal-metaphyseal dysplasia (SMMD) is an autosomal recessive skeletal dysplasia, characterized by disproportionate short stature with a short and stiff neck and trunk. SMMD is caused by inactivating mutations in NKX3-2, which encodes a homeobox-containing protein. Because of the rarity of the disorder, the diagnostic feature has not been fully established yet. We describe an affected newborn with dysmorphic facial features and severe short trunk. The patient required immediate intubation at the delivery room and duodenal atresia was detected during his course in neonatal intensive care unit...
April 25, 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29676856/age-related-changes-in-cortical-and-subcortical-structures-of-healthy-adult-brains-a-surface-based-morphometry-study
#4
Fenglian Zheng, Yulin Liu, Zilong Yuan, Xiaodong Gao, Yaoyao He, Xiaojing Liu, Dong Cui, Rui Qi, Tiao Chen, Jianfeng Qiu
BACKGROUND: Cerebral structures in both cortical and subcortical regions change with aging. More specific and comprehensive studies are needed to better elucidate these changes. PURPOSE: To investigate the relationships between age and cerebral structures regarding cortical and subcortical changes. STUDY TYPE: Cross-cohort research. POPULATION: 54 healthy adults (28 females) aged 21-71 years. FIELD STRENGTH/SEQUENCE: T1 -weighted imaging was performed at 1...
April 20, 2018: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29674371/automation-of-ct-based-haemorrhagic-stroke-assessment-for-improved-clinical-outcomes-study-protocol-and-design
#5
Betty Chinda, George Medvedev, William Siu, Martin Ester, Ali Arab, Tao Gu, Sylvain Moreno, Ryan C N D'Arcy, Xiaowei Song
INTRODUCTION: Haemorrhagic stroke is of significant healthcare concern due to its association with high mortality and lasting impact on the survivors' quality of life. Treatment decisions and clinical outcomes depend strongly on the size, spread and location of the haematoma. Non-contrast CT (NCCT) is the primary neuroimaging modality for haematoma assessment in haemorrhagic stroke diagnosis. Current procedures do not allow convenient NCCT-based haemorrhage volume calculation in clinical settings, while research-based approaches are yet to be tested for clinical utility; there is a demonstrated need for developing effective solutions...
April 19, 2018: BMJ Open
https://www.readbyqxmd.com/read/29627018/bilateral-wallerian-degeneration-of-the-middle-cerebellar-peduncles-secondary-to-pontine-infarction-a-case-series
#6
Yaoyao Shen, Wen Jian, Juan Li, Tingmin Dai, Bing Bao, Hongbing Nie
OBJECTIVE: Wallerian degeneration (WD) of middle cerebellar peduncles (MCPs) secondary to pontine infarction is rarely reported in the literature. Our aim in this study is to characterize its clinical and neuroradiological features. METHODS: A retrospective review of 7 patients from a single institution was conducted. Only patients with pontine infarction and subsequent degeneration of the MCPs were included in the analysis. The features of clinical presentation and neuroimaging finding were summarized by our experienced neurologists...
May 15, 2018: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/29532259/intradural-disc-herniation-how-i-do-it
#7
Víctor Rodrigo, Marta Claramonte, Mónica Martín, Juan B Calatayud
BACKGROUND: Intradural disc herniation is a rare phenomenon in spine surgery. Diagnosis is difficult despite current neuroradiologic imaging techniques. METHOD: We present a case of a 59-year-old man with lumbar and radicular pain and a recurrent lumbar herniation. A laminectomy was performed after no clear disc herniation in the epidural space was found and an intradural mass was palpable. A durotomy showed an intradural disc fragment that was removed, followed by an arthrodesis...
May 2018: Acta Neurochirurgica
https://www.readbyqxmd.com/read/29508041/pituitary-height-at-magnetic-resonance-imaging-in-pediatric-isolated-growth-hormone-deficiency
#8
Netsiri Dumrongpisutikul, Ammarut Chuajak, Sukalaya Lerdlum
BACKGROUND: Magnetic resonance imaging (MRI) is used for neuroradiologic evaluation of patients with idiopathic growth hormone deficiency (IGHD). OBJECTIVES: To compare pituitary height and morphology at MRI between patients with IGHD and controls. MATERIALS AND METHODS: This retrospective study was conducted in pediatric patients, 3 years-15 years old, who had had brain MRI with non-contrast-enhanced midsagittal T1-weighted images. These images were measured for pituitary height and morphology of the pituitary gland including shape, stalk and posterior pituitary bright spot was evaluated...
May 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29490554/facial-nerve-outcome-and-extent-of-resection-in-cystic-versus-solid-vestibular-schwannomas-in-radiosurgery-era
#9
Pinar Eser Ocak, Ihsan Dogan, Umut Ocak, Cem Dinc, Mustafa K Başkaya
OBJECTIVE Cystic vestibular schwannomas (CVSs) are a subgroup of vestibular schwannomas (VSs) that are reported to be associated with unpredictable clinical behavior and unfavorable postoperative outcomes. The authors aimed to review their experience with microsurgical treatment of CVSs in terms of extent of resection and postoperative facial nerve (FN) function and compare these outcomes with those of their solid counterparts. METHODS Two hundred-eleven VS patients were treated surgically between 2006 and 2017...
March 2018: Neurosurgical Focus
https://www.readbyqxmd.com/read/29464974/a-comparison-of-spastic-diplegia-in-term-and-preterm-born-children
#10
Prashant Jauhari, Pratibha Singhi, Naveen Sankhyan, Prahbhjot Malhi, Sameer Vyas, Niranjan Khandelwal
This study compared the risk factors and clinical and radiologic profile of children with spastic diplegic cerebral palsy born at term (≥37 weeks) with those born preterm. Children (2-14 years) with cerebral palsy meeting the study criteria for spastic diplegia were enrolled. Antecedent risk factors, clinical profile, and magnetic resonance imaging (MRI) findings were recorded. Spasticity, functional ability, intellectual ability, and social quotient were assessed using standard scales. Ninety-three children met the study inclusion criteria (45 term, 48 preterm)...
April 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29439808/neuroradiologic-correlation-with-aphasias-cortico-subcortical-map-of-language
#11
M M Jiménez de la Peña, L Gómez Vicente, R García Cobos, V Martínez de Vega
Aphasia is an acquired language disorder due to a cerebral lesion; it is characterized by errors in production, denomination, or comprehension of language. Although most aphasias are mixed, from a practical point of view they are classified into different types according to their main clinical features: Broca's aphasia, Wernicke's aphasia, conduction aphasia, transcortical aphasia, and alexia with or without agraphia. We present the clinical findings for the main subtypes of aphasia, illustrating them with imaging cases, and we provide an up-to-date review of the language network with images from functional magnetic resonance imaging and tractography...
February 10, 2018: Radiología
https://www.readbyqxmd.com/read/29423614/mri-of-the-first-event-in-pediatric-acquired-demyelinating-syndromes-with-antibodies-to-myelin-oligodendrocyte-glycoprotein
#12
Matthias Baumann, Astrid Grams, Tanja Djurdjevic, Eva-Maria Wendel, Christian Lechner, Bettina Behring, Astrid Blaschek, Katharina Diepold, Astrid Eisenkölbl, Joel Fluss, Michael Karenfort, Johannes Koch, Bahadir Konuşkan, Steffen Leiz, Andreas Merkenschlager, Daniela Pohl, Mareike Schimmel, Charlotte Thiels, Barbara Kornek, Kathrin Schanda, Markus Reindl, Kevin Rostásy
Antibodies against the myelin oligodendrocyte glycoprotein (MOG-Ab) can be detected in various pediatric acquired demyelinating syndromes (ADS). Here, we analyze the spectrum of neuroradiologic findings in children with MOG-Ab and a first demyelinating event. The cerebral and spinal MRI of 69 children with different ADS was assessed in regard to the distribution and characteristics of lesions. Children with acute disseminated encephalomyelitis (n = 36) or neuromyelitis optica spectrum disorder (n = 5) presented an imaging pattern characterized predominantly by poorly demarcated lesions with a wide supra- and infratentorial distribution...
April 2018: Journal of Neurology
https://www.readbyqxmd.com/read/29410070/the-neuroimaging-basis-of-apathy-empirical-findings-and-conceptual-challenges
#13
Sergio E Starkstein, Simone Brockman
Apathy, usually defined as loss of motivation, is common in both neurodegenerative conditions such as Alzheimer's disease, and acute neurological disorders such as stroke. Neuroradiological studies on the imaging correlates of apathy have used a variety of methods such as structural and functional magnetic resonance imaging, diffusion tensor imaging, and single photon and positron emission tomography to assess brain metabolic activity and specific synaptic receptors. Dysfunction of the anterior cingulate cortex (ACC) is the strongest anatomical correlate of apathy in Alzheimer's disease, whereas lesions of the basal ganglia are the most common correlates of apathy in cerebrovascular disorders...
February 2, 2018: Neuropsychologia
https://www.readbyqxmd.com/read/29353399/mri-findings-in-glutamic-acid-decarboxylase-associated-autoimmune-epilepsy
#14
Jason R Fredriksen, Carrie M Carr, Kelly K Koeller, Jared T Verdoorn, Avi Gadoth, Sean J Pittock, Amy L Kotsenas
PURPOSE: Glutamic acid decarboxylase (GAD65) has been implicated in a number of autoimmune-associated neurologic syndromes, including autoimmune epilepsy. This study categorizes the spectrum of MRI findings in patients with a clinical diagnosis of autoimmune epilepsy and elevated serum GAD65 autoantibodies. METHODS: An institutional database search identified patients with elevated serum GAD65 antibodies and a clinical diagnosis of autoimmune epilepsy who had undergone brain MRI...
March 2018: Neuroradiology
https://www.readbyqxmd.com/read/29191488/introduction-to-neuroimaging
#15
REVIEW
Elizabeth George, Jeffrey P Guenette, Thomas C Lee
Primary care physicians are often tasked with evaluating neurologic symptoms, and imaging plays a critical role in neurologic diagnoses. Neuroradiology routinely employs advanced imaging modalities, and hence, determination of the appropriate imaging test and interpretation of findings in the clinical context can understandably be overwhelming. In this review article, we introduce resources that can guide physicians in the selection of neuroimaging tests and summarize guidelines on contrast agent administration...
April 2018: American Journal of Medicine
https://www.readbyqxmd.com/read/29168326/guidelines-in-charge-syndrome-and-the-missing-link-cranial-imaging
#16
REVIEW
Christa M de Geus, Rolien H Free, Berit M Verbist, Deborah A Sival, Kim D Blake, Linda C Meiners, Conny M A van Ravenswaaij-Arts
"CHARGE syndrome" is a complex syndrome with high and extremely variable comorbidity. As a result, clinicians may struggle to provide accurate and comprehensive care, and this has led to the publication of several clinical surveillance guidelines and recommendations for CHARGE syndrome, based on both single case observations and cohort studies. Here we perform a structured literature review to examine all the existing advice. Our findings provide additional support for the validity of the recently published Trider checklist...
December 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/29147633/a-unique-case-of-carotid-splaying-by-a-cervical-vagal-neurofibroma-and-the-role-of-neuroradiology-in-surgical-management
#17
Sally A Itawi, Mark Buehler, Robert E Mrak, Tarek R Mansour, Yacine Medhkour, Azedine Medhkour
Carotid splaying, also known as the Lyre sign, is a widening of the carotid bifurcation due to the displacement of the internal carotid artery and the external carotid artery just distal to the point of divergence. This phenomenon is classically exhibited by highly vascularized carotid body tumors and, in rare cases, by cervical sympathetic chain schwannomas. Demonstration of the Lyre sign by a cervical vagal neurofibroma, however, is a unique occurrence that has not been previously documented in the literature...
September 7, 2017: Curēus
https://www.readbyqxmd.com/read/29132975/a-novel-temporal-pattern-of-childhood-cerebral-x-linked-adrenoleukodystrophy
#18
Emanuela C Turco, Francesca Ormitti, Anna Andreolli, Marina Barsacchi, Carlotta Facini, Francesco Pisani
We report a 9-year-old boy, with childhood cerebral X-linked adrenoleukodystrophy (CCALD), presenting with an episode of loss of consciousness, fixed gaze, hypotonia and vomit with spontaneous resolution and post-ictal sleep. Behavioural impairment has been observed since the previous five months. Magnetic Resonance Images (MRI) revealed isolated bilateral, symmetric, confluent temporal white matter lesions involving also corticospinal tracts, with sparing of the parieto-occipital and frontal white matter. This report outlines an atypical neuroradiological localization of X-linked adrenoleukodystrophy and neuropsychological findings not specifically related to the brain involvement seen at the MRI...
March 2018: Brain & Development
https://www.readbyqxmd.com/read/29092082/using-machine-learning-for-sequence-level-automated-mri-protocol-selection-in-neuroradiology
#19
Andrew D Brown, Thomas R Marotta
Incorrect imaging protocol selection can lead to important clinical findings being missed, contributing to both wasted health care resources and patient harm. We present a machine learning method for analyzing the unstructured text of clinical indications and patient demographics from magnetic resonance imaging (MRI) orders to automatically protocol MRI procedures at the sequence level. We compared 3 machine learning models - support vector machine, gradient boosting machine, and random forest - to a baseline model that predicted the most common protocol for all observations in our test set...
October 27, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/29084038/brain-magnetic-resonance-imaging-findings-in-pediatric-patients-post-extracorporeal-membrane-oxygenation
#20
Venessa L Pinto, Sumit Pruthi, Ashly C Westrick, Chevis N Shannon, Brian C Bridges, Truc M Le
Neurologic complications can occur with extracorporeal membrane oxygenation (ECMO) due to several factors. Prior studies identified neonates as having unique risk factors and neuroimaging findings post ECMO. The aim of this study is to describe brain magnetic resonance imaging findings of pediatric patients treated with ECMO. We conducted a retrospective study of nonneonatal pediatric patients who underwent a comprehensive brain magnetic resonance imaging after ECMO between January 2000 and July 2015. We identified 47 pediatric patients in the study cohort with a median age of 8 months (interquartile range 3-170 months) and a median ECMO run duration of 7...
November 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
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