User profiles for Karyn E. Chappell

Karyn E Chappell

Postdoctoral Research Radiographer
Verified email at imperial.ac.uk
Cited by 694

Magic angle effects in MR neurography

KE Chappell, MD Robson… - American Journal …, 2004 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE:Magic angle effects are well recognized in MR imaging of
tendons and ligaments, but have received virtually no attention in MR neurography. We …

Magnetic resonance imaging of cortical bone with ultrashort TE pulse sequences

…, MD Robson, PD Gatehouse, T He, KE Chappell… - Magnetic resonance …, 2005 - Elsevier
PURPOSE: Normal adult cortical bone has a very short T 2 and characteristically produces
no signal with pulse sequence echo times (TEs) routinely used in clinical practice. We wished …

Magnetic resonance imaging of the liver with ultrashort TE (UTE) pulse sequences

KE Chappell, N Patel, PD Gatehouse… - Journal of Magnetic …, 2003 - Wiley Online Library
Purpose To assess the feasibility of imaging the liver in volunteers and patients with ultrashort
echo time (UTE) pulse sequences. Materials and Methods Seven normal controls as well …

Magnetic resonance imaging of periosteum with ultrashort TE pulse sequences

…, PD Gatehouse, KE Chappell… - Journal of Magnetic …, 2004 - Wiley Online Library
Purpose To assess the values of pulse sequences with ultrashort echo times (0.08 msec) for
detecting and characterizing periosteum. Materials and Methods Two normal volunteers …

Avoiding sedation in research MRI and spectroscopy in infants: our approach, success rate and prevalence of incidental findings

C Gale, S Jeffries, KM Logan, KE Chappell… - Archives of Disease in …, 2013 - fn.bmj.com
Performing magnetic resonance investigations in a paediatric population can be difficult;
image acquisition is commonly complicated by movement artefact and non-compliance. …

Detection of maturity and ligament injury using magic angle directional imaging

KE Chappell, D Brujic… - Magnetic …, 2019 - Wiley Online Library
Purpose To investigate whether magnetic field–related anisotropies of collagen may be
correlated with postmortem findings in animal models. Methods Optimized scan planning and …

Quantitative Magnetic Resonance Imaging of Articular Cartilage Structure and Biology

KE Chappell, AA Williams, CR Chu - Cartilage Injury of the Knee: State-of …, 2021 - Springer
Articular cartilage is a complex avascular and aneural tissue. Once its surface is disrupted, it
is difficult to repair. Cartilage consists of an anisotropic extracellular collagen matrix …

Preterm Formula, Fortified or Unfortified Human Milk for Very Preterm Infants, the PREMFOOD Study: A Parallel Randomised Feasibility Trial

L Mills, KE Chappell, R Emsley, A Alavi… - Neonatology, 2024 - karger.com
Objective: Uncertainty exists regarding optimal supplemental diet for very preterm infants if
the motherLs own milk (MM) is insufficient. We evaluated feasibility for a randomised …

[BOOK][B] State Responses to Nuclear Proliferation

BK Chappell - 2021 - Springer
… To my mother, Jan Chappell, whose love was the spark that lit the … I am immensely grateful
to the Chappell family for their … I extend a special thank you to Karyn Temple for the intellectual …

[HTML][HTML] Accuracy of collagen fibre estimation under noise using directional MR imaging

D Brujic, KE Chappell, M Ristic - Computerized Medical Imaging and …, 2020 - Elsevier
In tissues containing significant amounts of organised collagen, such as tendons, ligaments,
menisci and articular cartilage, MR imaging exhibits a strong signal intensity variation …