نتایج جستجو برای: weighted coronal
تعداد نتایج: 113709 فیلتر نتایج به سال:
To cite: Maddukuri SB, Karegowda LH, Prakashini K, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2014204489 DESCRIPTION A 16-year-old girl presented with severe cyclical lower abdominal pain during menstruation, associated with vomiting, since 1year. Her menstrual cycles were regular: 3/30. Transabdominal ultrasound showed echogenic fluid collection in th...
PURPOSE The aim of our study was to assess the contribution of various magnetic resonance imaging (MRI) sequences in determining the type of perianal fistula and in obtaining critical information for surgical decisions, as well as to define the optimal combination of sequences for readers with varying levels of experience. MATERIALS AND METHODS The study included 33 MRI examinations in 26 pat...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
MR images of the fetus allow non-invasive analysis of the fetal brain. Quantitative analysis of fetal brain development requires automatic brain tissue segmentation that is typically preceded by segmentation of the intracranial volume (ICV). This is challenging because fetal MR images visualize the whole moving fetus and in addition partially visualize the maternal body. This paper presents an ...
OBJECTIVE The aim of this study was to determine which elements of the pelvic organ support system are visible on magnetic resonance imaging performed without an endovaginal coil. STUDY DESIGN Proton density-weighted pelvic magnetic resonance images were obtained for 20 healthy continent nulliparous women with a mean (+/-SD) age of 30.1 +/- 5.1 years (range, 22-42 years). Standardized analyse...
We present an ab initio approach to the solar coronal heating problem by modelling a small part of the solar corona in a computational box using a 3D MHD code including realistic physics. The observed solar granular velocity pattern and its amplitude and vorticity power spectra, as reproduced by a weighted Voronoi tessellation method, are used as a boundary condition that generates a Poynting f...
PURPOSE To determine the frequency of appearance of various MR signs in mesial temporal sclerosis, to determine the optimal scanning planes for their visualization, and to propose a histologic explanation for the diminished demarcation between gray and white matter in the temporal lobe, a frequent MR finding in patients with mesial temporal sclerosis. METHODS MR scans of 14 surgically treated...
background: carbon monoxide (co) poisoning may lead to hypoxic/anoxic injury and eventually ischemic encephalopathy. magnetic resonance imaging (mri) has a well-recognized role in assessment of the severity of brain damage caused by co poisoning. in this study, we aimed to present and analyze the structural abnormalities in the brain mri and especially in diffusion weighted mri (dwi) images in ...
Background: The role of magnetic resonance (MR) imaging in patients with lateral ankle instability remains unclear. This study reports the MR findings in patients with asymptomatic ankles.Materials and Methods: A total of 14 ankles in 11 asymptomatic patients were evaluated using 3.0 Tesla MR scanners. Imaging planes included axial PD and T2 weighted sequences, coronal fatsaturated PD fast spin...
introduction: this cross-sectional survey determined the dental prevalence of apical periodontitis (ap) in selected iranian population, and evaluated the influence of the quality of root canal treatment (rct) and their coronal restorations (cr) on the periapical status. materials and methods: a total of 1064 panoramic radiographies were evaluated by two observers during 2009. the quality of rct...
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