Frontoethmoidal encephalocele presenting in concert with schizencephaly.

Conclusion: Encephalocele association with schizencephaly is rare. PMID: 30603230 [PubMed]
Source: Surgical Neurology International - Category: Neurosurgery Tags: Surg Neurol Int Source Type: research

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AbstractPurposeTo compare the effects of gadoxetic acid and gadoteric acid on the image quality of single-breath-hold, triple (first, second, and third) arterial hepatic magnetic resonance imaging (MRI).MethodsTwo hundred and eleven patients were divided into two groups according to the contrast materials used (gadoxetic acid, 108 patients and gadoteric acid, 103 patients). All 3.0-T MR examinations included triple arterial phase acquisition using the 4D enhanced T1-weighted high-resolution isotropic volume examination (eTHRIVE) keyhole technique. The image qualities of the pre-contrast and triple arterial phases were asse...
Source: Abdominal Imaging - Category: Radiology Source Type: research
Authors: Chen Y, Shaw JL, Xie Y, Li D, Christodoulou AG Abstract High spatiotemporal resolution dynamic magnetic resonance imaging (MRI) is a powerful clinical tool for imaging moving structures as well as to reveal and quantify other physical and physiological dynamics. The low speed of MRI necessitates acceleration methods such as deep learning reconstruction from under-sampled data. However, the massive size of many dynamic MRI problems prevents deep learning networks from directly exploiting global temporal relationships. In this work, we show that by applying deep neural networks inside a priori calculated tem...
Source: MICCAI International Conference on Medical Image Computing and Computer-Assisted Intervention - Category: Radiology Tags: Med Image Comput Comput Assist Interv Source Type: research
Publication date: November 2019Source: European Urology Supplements, Volume 18, Issue 11Author(s): O. Rojas Claros, F. Muttin, R.R.T. Barbosa, A.C. Gallardo, E. Barret, F. Rozet, N. Cathala, D. Prapotnich, A. Mombet, R. Sanchez-Salas, X. Cathelineau
Source: European Urology Supplements - Category: Urology & Nephrology Source Type: research
Publication date: November 2019Source: European Urology Supplements, Volume 18, Issue 11Author(s): T.V.R. Perez
Source: European Urology Supplements - Category: Urology & Nephrology Source Type: research
We report a rare case of overlap syndrome (SSc and polymyositis) who presented with sudden chest pain secondary to myocardial fibrosis. Although the etiology of chest symptoms in collagen disease was difficult to identify, cardiac magnetic resonance imaging (MRI) revealed not myocarditis but myocardial fibrosis in our case. Synthetic judgement of serum brain natriuretic peptide/ troponin T levels and cardiac MRI is useful in the search for the cause of chest symptoms even in patients with collagen diseases. PMID: 31723102 [PubMed - in process]
Source: Drug Discoveries and Therapeutics - Category: Drugs & Pharmacology Tags: Drug Discov Ther Source Type: research
In this study, we used a quantitative model of compensation, known as the CRUNCH (Compensation-Related Utilization of Neural Circuits Hypothesis), to explicitly characterise compensation in pre-HD. The assumption of the model is that fMRI activity increases as task difficulty increases (compensatory effect). However, when individuals reach the ‘CRUNCH’ point, where task difficulty exceeds their neural resources, fMRI activity and performance declines. We acquired fMRI data (n = 15 pre-HD; n = 15 controls) during performance of an fMRI visuospatial working memory task with low, intermediate-1, intermedia...
Source: Neuropsychologia - Category: Neurology Source Type: research
This study aimed to simultaneously evaluate hippocampal volume and FC alterations and their association with cognitive decline in MHE. Twenty-two cirrhotic patients with MHE, 31 cirrhotic patients without MHE (NHE), and 43 healthy controls underwent high-resolution T1-weighted imaging, resting-state functional magnetic resonance imaging, and cognition assessment based on Psychometric Hepatic Encephalopathy Score (PHES). The structural images were preprocessed using a voxel-based morphometry method, during which hippocampal volume was measured. The hippocampal connectivity network was identified using seed-based correlation...
Source: Metabolic Brain Disease - Category: Neurology Source Type: research
This study proposes a phantom design concomitantly containing various concentrations of iron and fat suitable for devising accurate simultaneousT2* and fat quantification technique.Materials and methodsA 46-vial iron –fat–water phantom with various iron concentrations covering clinically relevantT2* relaxation time values, from healthy to severely overloaded liver and wide fat percentages ranges from 0 to 100% was prepared. The phantom was constructed using insoluble iron (II, III) oxide powder containing microscale particles.T2*-weighted imaging using multi-gradient-echo (mGRE) sequence, and chemical shift ima...
Source: Magnetic Resonance Materials in Physics, Biology and Medicine - Category: Materials Science Source Type: research
AbstractPurpose of ReviewThis review highlights the role of imaging in the diagnosis and management of reproductive disorders. The additional information that imaging studies can contribute to reproductive medicine is emphasized, including the role of pelvic ultrasonography (US, including sonohysterography and contrast-enhanced hysterosalpingosonography), hysterosalpingography (HSG), and magnetic resonance imaging (MRI) of the female reproductive tract. In addition, the implications of congenital causes of infertility on the urinary tract in females are reviewed.Recent Findings SummaryWhile the evaluation of infertility in...
Source: Current Urology Reports - Category: Urology & Nephrology Source Type: research
AbstractPurpose of ReviewHypogonadism is a common endocrine dysfunction. This review focuses on the most up-to-date guideline for evaluation of pituitary function among men presenting with signs and symptoms of hypogonadism.Recent FindingsThe clinician must differentiate between primary (testicular) and secondary (pituitary-hypothalamic or central) hypogonadisms and be aware of adult-onset hypogonadism. If gonadotropins are low or inappropriately normal, the clinician must consider potential reversible causes in the hypothalamus-pituitary axis. Also, it is critical to understand the pitfalls of testosterone testing. When c...
Source: Current Urology Reports - Category: Urology & Nephrology Source Type: research
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