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Acute Neurologic Syndromes Beyond Stroke
This article reviews various disorders with diffusion abnormality that can be commonly seen in the emergency setting.
Source: Neuroimaging Clinics - June 8, 2018 Category: Radiology Authors: Edward K. Sung, Chad Farris, Mohamad Abdalkader, Asim Mian Source Type: research

Trends in Epistaxis Embolization in the United States: A Study of the Nationwide Inpatient Sample 2003–2010—Caveat Emptor
Endovascular embolization for epistaxis is being used more frequently than it has in the past, and the procedure carries a small risk for stroke. These are the only conclusions that can be reliably drawn from the article by Brinjikji et al . Given the nature of the Nationwide Inpatient Sample (NIS) database and the design of this study, comparison of outcomes between embolization and surgical ligation is very limited. The data reported in this article, as presented, suggest that surgical ligation should be preferred over endovascular embolization, owing to a lower stroke rate, and this suggestion is extremely misleading. T...
Source: Journal of Vascular and Interventional Radiology : JVIR - June 25, 2013 Category: Radiology Authors: Chad W. Washington, Colin P. Derdeyn Source Type: research

Endocardial Surface Delineation in 3-D Transesophageal Echocardiography
We describe and compare several methods for recovering endocardial walls from 3-D transesophageal echocardiography (3-D TEE), which can help with diagnostics or providing input into biomechanical models. We employ a segmentation method based on 3-D level sets that maximizes enclosed volume while minimizing surface area and uses a growth inhibition function that includes 3-D gradient magnitude (to locate the endocardial walls) and a thin tissue detector (for the mitral valve leaflets). We also study delineation using a graph cut method that performs automated seeding by leveraging a fast radial symmetry transform to determi...
Source: Ultrasound in Medicine and Biology - November 19, 2013 Category: Radiology Authors: Ryan Mukherjee, Saurabh Vyas, Radford Juang, Chad Sprouse, Philippe Burlina Tags: Original Contributions Source Type: research

Acute Neurologic Syndromes Beyond Stroke: The Role of Emergent MR Imaging
Publication date: Available online 8 June 2018Source: Neuroimaging Clinics of North AmericaAuthor(s): Edward K. Sung, Chad Farris, Mohamad Abdalkader, Asim Mian
Source: Neuroimaging Clinics of North America - July 5, 2018 Category: Radiology Source Type: research