User profiles for A.G. Sorensen

A. Gregory Sorensen

DeepHealth, Inc.
Verified email at deep.health
Cited by 53219

[PDF][PDF] Updated response assessment criteria for high-grade gliomas: response assessment in neuro-oncology working group

…, TF Cloughesy, AG Sorensen… - Journal of clinical …, 2010 - neuroradiologi.dk
Currently, the most widely used criteria for assessing response to therapy in high-grade
gliomas are based on two-dimensional tumor measurements on computed tomography (CT) or …

[PDF][PDF] AZD2171, a pan-VEGF receptor tyrosine kinase inhibitor, normalizes tumor vasculature and alleviates edema in glioblastoma patients

TT Batchelor, AG Sorensen, E di Tomaso, WT Zhang… - Cancer cell, 2007 - cell.com
Using MRI techniques, we show here that normalization of tumor vessels in recurrent
glioblastoma patients by daily administration of AZD2171—an oral tyrosine kinase inhibitor of …

Mechanisms of migraine aura revealed by functional MRI in human visual cortex

…, RBH Tootell, AG Sorensen… - Proceedings of the …, 2001 - National Acad Sciences
Cortical spreading depression (CSD) has been suggested to underlie migraine visual aura.
However, it has been challenging to test this hypothesis in human cerebral cortex. Using high…

Angiogenesis in brain tumours

…, DG Duda, JS Loeffler, AG Sorensen… - Nature Reviews …, 2007 - nature.com
Despite aggressive surgery, radiotherapy and chemotherapy, malignant gliomas remain
uniformly fatal. To progress, these tumours stimulate the formation of new blood vessels through …

Segmentation of Subcomponents within the Superior Longitudinal Fascicle in Humans: A Quantitative, In Vivo, DT-MRI Study

…, DN Kennedy, S McInerney, AG Sorensen… - Cerebral …, 2005 - academic.oup.com
… SLF II is situated in the white matter of the angular gyrus (AG) and temporo-occipital
region (To2). Note that neither the SLF III nor the arcuate fascicle are observed at this level. …

An evidence‐based causative classification system for acute ischemic stroke

…, A Singhal, WS Smith, AG Sorensen… - Annals of Neurology …, 2005 - Wiley Online Library
Regular, evidence‐based assignment of patients to etiologic stroke categories is essential
to enable valid comparison among studies. We designed an algorithm (SSS‐TOAST) that …

Hyperacute stroke: evaluation with combined multisection diffusion-weighted and hemodynamically weighted echo-planar MR imaging.

AG Sorensen, FS Buonanno, RG Gonzalez… - Radiology, 1996 - pubs.rsna.org
PURPOSE: To evaluate acute stroke with conventional, multisection diffusion-weighted (DW),
and hemodynamically weighted (HW) magnetic resonance (MR) imaging. MATERIALS …

High resolution measurement of cerebral blood flow using intravascular tracer bolus passages. Part II: Experimental comparison and preliminary results

L Østergaard, AG Sorensen, KK Kwong… - Magnetic resonance …, 1996 - Wiley Online Library
This report evaluates several methods to map relative cerebral blood flow (rCBF) by applying
both parametric and non‐parametric techniques to deconvolve high resolution dynamic …

Diffusion-weighted MR imaging: diagnostic accuracy in patients imaged within 6 hours of stroke symptom onset

…, RF Budzik, G Rordorf, B Wang, AG Sorensen… - Radiology, 1999 - pubs.rsna.org
PURPOSE: To evaluate the diagnostic accuracy of diffusion-weighted magnetic resonance (MR)
imaging performed within 6 hours of the onset of stroke symptoms. MATERIALS AND …

Tracer arrival timing‐insensitive technique for estimating flow in MR perfusion‐weighted imaging using singular value decomposition with a block‐circulant …

…, T Benner, BR Rosen, AG Sorensen - … in Medicine: An …, 2003 - Wiley Online Library
Relative cerebral blood flow (CBF) and tissue mean transit time (MTT) estimates from bolus‐tracking
MR perfusion‐weighted imaging (PWI) have been shown to be sensitive to delay …