A5075834562- Advanced Neuroimaging Techniques and Applications
- Advanced MRI Techniques and Applications
- Glioma Diagnosis and Treatment
- Functional Brain Connectivity Studies
- MRI in cancer diagnosis
- Cerebral Venous Sinus Thrombosis
- Attention Deficit Hyperactivity Disorder
- Thyroid Cancer Diagnosis and Treatment
- Cerebrovascular and Carotid Artery Diseases
- Acute Ischemic Stroke Management
- Fetal and Pediatric Neurological Disorders
- Diabetic Foot Ulcer Assessment and Management
- Peripheral Artery Disease Management
- Neural dynamics and brain function
- Head and Neck Surgical Oncology
- Ophthalmology and Eye Disorders
- Thyroid and Parathyroid Surgery
- Pituitary Gland Disorders and Treatments
- S100 Proteins and Annexins
- Traumatic Brain Injury and Neurovascular Disturbances
- Neuroendocrine Tumor Research Advances
- HIV-related health complications and treatments
- HIV Research and Treatment
- Cytomegalovirus and herpesvirus research
- Ultrasound and Hyperthermia Applications
University of Cape Town
2025
University of Nebraska Medical Center
2013-2024
Nebraska Medical Center
2005-2023
Bellevue University
2019
Philips (United States)
2017
Leeds Teaching Hospitals NHS Trust
2017
University of California, Los Angeles
2014
University of Nebraska at Omaha
2005-2014
Nebraska Hematology-Oncology
2005-2013
Creighton University
2013
Abstract The National Cancer Institute (NCI) sponsored the NCI Thyroid Fine‐Needle Aspiration (FNA) State of Science Conference on October 22–23, 2007 in Bethesda, MD. 2‐day meeting was accompanied by a permanent informational website and several on‐line discussions between May 1 December 15, ( http://thyroidfna.cancer.gov ). This document summarizes indications for performing an FNA nodule discovered physical examination or imaging study; using ultrasound versus palpation guidance when...
This study aimed to quantify the impact of an integrated diabetic foot surgical service on outcomes and changes in volume focus.We abstracted registry data from 48 consecutive months at a single institution, evaluating all patients with complications requiring surgery or vascular intervention, compared 24 before after integrating podiatric limb-salvage service.The performed 2923 operations; 790 (27.0%) were related treatment 374 patients. Of these, 502 classified as non-vascular 288...
Previous investigations of the default-mode network (DMN) in persons with attention-deficit/hyperactivity disorder (ADHD) have shown reduced functional connectivity between anterior and posterior aspects. This finding was originally demonstrated adults ADHD, then youth has been tentatively linked to ultra low frequency oscillations within DMN. The current study evaluates specificity DMN abnormalities neuronal range, examines regional these aberrations medicated unmedicated with, those...
Combination antiretroviral therapy transformed human immunodeficiency virus (HIV)-infection from a terminal illness to manageable condition, but these patients remain at significantly elevated risk of developing cognitive impairments and the mechanisms are not understood. Some previous neuroimaging studies have found hyperactivation in frontoparietal networks HIV-infected patients, whereas others reported aberrations restricted sensory cortices. In this study, we utilize high-resolution...
The purpose of this study was to analyze the relationship apparent diffusion coefficients (ADCs) malignant degree and histopathological features lesions in nasal cavity, paranasal sinuses, adjacent skull base.We evaluated differences ADCs between malignancies (n=18) benign (n=6). correlations lesion cellularity, stroma, necrosis were calculated.The significantly lower than (P<0.0125). inversely correlated with tumor cellularity (P<0.01, r=-0.556).ADCs provide quantitative information that...
FA correlation to glioma tumor grade has been mixed if not disappointing. There are several potential underlying fundamental issues that have contributed these results. In an attempt overcome past shortfalls, we evaluated characteristics of the solid tissue components gliomas, including whether high-grade gliomas a greater variation than low-grade gliomas.Thirty-four patients with (9 II, 8 III, and 17 IV) underwent diffusion tensor imaging at 3T. Mean FA, maximum minimum values were measured...
Dysfunction in the default mode network (DMN), a group of cortical areas more active during resting state, has been linked to attentional deficits and symptoms associated with attention-deficit/hyperactivity disorder (ADHD). Prior imaging studies have shown decreased functional connectivity between DMN nodes patients ADHD, primarily anterior posterior regions. Using magnetoencephalography (MEG), we evaluated phase coherence (i.e., connectivity) among regions healthy controls adults ADHD...
By looking at how the accuracy of preoperative brain mapping methods vary according to differences in distance from activation clusters used for analysis, present study aimed elucidate functional neuroimaging may be such a way that maximizes accuracy.The eloquent function 19 patients with tumor or cavernoma was mapped prior resection both MRI (fMRI) and magnetoencephalography (MEG). The results were then validated using direct cortical stimulation performed immediately after craniotomy...
Objective: The two-dimensional multi-echo recombined gradient echo (MERGE) technique automatically acquires and sums multiple echoes at various times in cervical spine magnetic resonance (MR) imaging. This increases the grey–white matter contrast within spinal cord should also improve depiction of lesions. aim this study was to qualitatively quantitatively evaluate MERGE imaging compared with T2-weighted fast spin-echo (T2WFSE) for depicting sclerosis (MS) lesions cord.Methods: Nineteen...
Background Acute ischemic stroke is often due to thromboembolism forming over ruptured atherosclerotic plaque in the carotid artery (CA). The presence of intraluminal CA thrombus associated with a high risk thromboembolic cerebral events. cavitation induced by diagnostic ultrasound mechanical index (MI) impulses applied locally during commercially available intravenous microbubble infusion has dissolved intravascular thrombi, especially when using longer pulse durations. beneficial effects...
Attention-deficit/hyperactivity disorder (ADHD) is a common and extensively treated psychiatric in children, which often persists into adulthood. The core diagnostic symptoms include inappropriate levels of hyperactivity, impulsivity, and/or pervasive inattention. Another crucial aspect the involves aberrations temporal perception, have been well documented behavioral studies and, recently, focus neuroimaging studies. These functional magnetic resonance imaging shown reduced activation...