User profiles for Geoff J. M. Parker

Geoff JM Parker

Professor of Healthcare Engineering, Imaging, and Enterprise, University College London
Verified email at ucl.ac.uk
Cited by 35239

[HTML][HTML] Imaging biomarker roadmap for cancer studies

…, S Morris, T Ng, AR Padhani, GJM Parker… - Nature reviews Clinical …, 2017 - nature.com
Imaging biomarkers (IBs) are integral to the routine management of patients with cancer. IBs
used daily in oncology include clinical TNM stage, objective response and left ventricular …

[HTML][HTML] DCE-MRI biomarkers in the clinical evaluation of antiangiogenic and vascular disrupting agents

JPB O'Connor, A Jackson, GJM Parker… - British journal of …, 2007 - nature.com
Dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) is now frequently
used in early clinical trial assessment of antiangiogenic and vascular disrupting compounds. …

Imaging intratumor heterogeneity: role in therapy response, resistance, and clinical outcome

…, CJ Rose, JC Waterton, RAD Carano, GJM Parker… - Clinical Cancer …, 2015 - AACR
Tumors exhibit genomic and phenotypic heterogeneity, which has prognostic significance
and may influence response to therapy. Imaging can quantify the spatial variation in …

Experimentally‐derived functional form for a population‐averaged high‐temporal‐resolution arterial input function for dynamic contrast‐enhanced MRI

GJM Parker, C Roberts, A Macdonald… - … in Medicine: An …, 2006 - Wiley Online Library
Rapid T 1 ‐weighted 3D spoiled gradient‐echo (GRE) data sets were acquired in the
abdomen of 23 cancer patients during a total of 113 separate visits to allow dynamic contrast‐…

Orientationally invariant indices of axon diameter and density from diffusion MRI

…, PL Hubbard, MG Hall, EA Moore, M Ptito, GJM Parker… - Neuroimage, 2010 - Elsevier
This paper proposes and tests a technique for imaging orientationally invariant indices of
axon diameter and density in white matter using diffusion magnetic resonance imaging. Such …

Evidence for segregated and integrative connectivity patterns in the human basal ganglia

…, PA Cook, DC Alexander, GJM Parker… - Journal of …, 2008 - Soc Neuroscience
Detailed knowledge of the anatomy and connectivity pattern of cortico-basal ganglia circuits
is essential to an understanding of abnormal cortical function and pathophysiology …

Hemispheric asymmetries in language-related pathways: a combined functional MRI and tractography study

HWR Powell, GJM Parker, DC Alexander, MR Symms… - Neuroimage, 2006 - Elsevier
… results are broadly similar to those of Parker et al. who also demonstrated larger volume
of connections, particularly to the temporal lobe, on the left than the right (Parker et al., 2005). …

Dynamic contrast-enhanced MRI in clinical trials of antivascular therapies

JPB O'connor, A Jackson, GJM Parker… - Nature reviews Clinical …, 2012 - nature.com
About 100 early-phase clinical trials and investigator-led studies of targeted antivascular
therapies—both anti-angiogenic and vascular-targeting agents—have reported data derived …

Imaging tumor vascular heterogeneity and angiogenesis using dynamic contrast-enhanced magnetic resonance imaging

A Jackson, JPB O'Connor, GJM Parker… - Clinical Cancer Research, 2007 - AACR
This article reviews the application of dynamic contrast-enhanced magnetic resonance
imaging in both clinical studies and early-phase trials of angiogenesis inhibitors. Emphasis is …

Estimating distributed anatomical connectivity using fast marching methods and diffusion tensor imaging

GJM Parker, CAM Wheeler-Kingshott… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
A method is presented for determining paths of anatomical connection between regions of
the brain using magnetic resonance diffusion tensor information. Level set theory, applied …