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All Outputs (151)

Tissue bulge during stereotactic core biopsy (2013)
Journal Article
Hackney, L., Williams, S., Hogg, P., & Szczepura, K. (2013). Tissue bulge during stereotactic core biopsy. Radiography, 19(4), 366-368. https://doi.org/10.1016/j.radi.2013.06.007

In full field digital mammography (FFDM) the whole breast is subjected to compression with a perspex compression paddle in order to reduce breast thickness and improve image quality. Once a mammographic abnormality has been detected using FFDM and a... Read More about Tissue bulge during stereotactic core biopsy.

Does an increase in compression force really improve visual image quality in mammography? An initial investigation (2013)
Journal Article
Mercer, C., Hogg, P., Cassidy, S., & Denton, E. (2013). Does an increase in compression force really improve visual image quality in mammography? An initial investigation. Radiography, 19(4), 363-365. https://doi.org/10.1016/j.radi.2013.07.002

Objective: Literature speculates that visual image quality (IQ) and compression force levels may be
directly related. This small study investigates whether a relationship exists between compression force
levels and visual IQ.
Method: To investiga... Read More about Does an increase in compression force really improve visual image quality in mammography? An initial investigation.

Practitioner compression force variation in mammography : a 6 year study (2013)
Journal Article
Mercer, C., Hogg, P., Szczepura, K., & Denton, E. (2013). Practitioner compression force variation in mammography : a 6 year study. Radiography, 19(3), 200-206. https://doi.org/10.1016/j.radi.2013.06.001

The application of breast compression in mammography may be more heavily influenced by the practitioner
rather than the client. This could affect image quality and will affect client experience. This study builds on
previous research to establish i... Read More about Practitioner compression force variation in mammography : a 6 year study.

The value of observer performance studies in dose optimization: A focus on free-response receiver operating characteristic methods (2013)
Journal Article
operating characteristic methods. Journal of Nuclear Medicine Technology, 41(2), 57-64. https://doi.org/10.2967/jnmt.112.116566

Receiver operating characteristic (ROC) analysis has been
successfully used in radiology to help determine the combined
success of system and observer. There is great value in
these methods for assessing new and existing techniques to
see if diag... Read More about The value of observer performance studies in dose optimization: A focus on free-response receiver operating characteristic methods.

Towards a research informed teaching experience within a diagnostic radiography curriculum: The level 4 (year 1) student holistic experience (2013)
Journal Article
Higgins, R., Hogg, P., & Robinson, L. (2013). Towards a research informed teaching experience within a diagnostic radiography curriculum: The level 4 (year 1) student holistic experience. Radiography, 19(1), 62-67. https://doi.org/10.1016/j.radi.2012.08.006

Aim: This article discusses the level 4 (year 1) diagnostic radiography student holistic experience of the
Research-informed Teaching experience (RiTe) at the University of Salford, UK. The purpose of RiTe is to
expose undergraduate radiography stu... Read More about Towards a research informed teaching experience within a diagnostic radiography curriculum: The level 4 (year 1) student holistic experience.

Integrating research-informed teaching within an undergraduate level 4 (year 1) diagnostic radiography curriculum: a pilot study (2013)
Journal Article
Higgins, R., Hogg, P., & Robinson, L. (2013). Integrating research-informed teaching within an undergraduate level 4 (year 1) diagnostic radiography curriculum: a pilot study. Journal of Vocational Education and Training, 65(3), 351-368. https://doi.org/10.1080/13636820.2013.819562

This article discusses the piloting and evaluation of the Research-informed Teaching experience (RiTe) project. The aim of RiTe was to link teaching and learning with research within an undergraduate diagnostic radiography curriculum. A preliminary p... Read More about Integrating research-informed teaching within an undergraduate level 4 (year 1) diagnostic radiography curriculum: a pilot study.

A method to measure paddle and detector pressures and footprints in mammography (2013)
Journal Article
Hogg, P., Szczepura, K., Darlington, A., & Maxwell, A. (2013). A method to measure paddle and detector pressures and footprints in mammography. Medical Physics, 40(4), 041907. https://doi.org/10.1118/1.4792720

Purpose:
Compression is necessary in mammography to improve image quality and reduce radiation burden. Maximizing the amount of breast in contact with the image receptor (IR) is important. To achieve this, for the craniocaudal projection, there is n... Read More about A method to measure paddle and detector pressures and footprints in mammography.

Optimising the number of thermoluminescent dosimeters required for the measurement of effective dose for computed tomography attenuation correction data in SPECT/CT myocardial perfusion imaging (2013)
Journal Article
Tootell, A., Szczepura, K., & Hogg, P. (2013). Optimising the number of thermoluminescent dosimeters required for the measurement of effective dose for computed tomography attenuation correction data in SPECT/CT myocardial perfusion imaging. Radiography, 19(1), 42-47. https://doi.org/10.1016/j.radi.2012.11.001

Background

The use of thermoluminescent dosimeters (TLDs) is regarded as time consuming and laborious. As part of our dosimetry research it was necessary to optimise the use of our resources, both physical and time. Experimental work was carried... Read More about Optimising the number of thermoluminescent dosimeters required for the measurement of effective dose for computed tomography attenuation correction data in SPECT/CT myocardial perfusion imaging.

A mixed model study evaluating lean in the transformation of an orthopaedic radiology service (2013)
Journal Article
Martin, A., Hogg, P., & Mackay, S. (2013). A mixed model study evaluating lean in the transformation of an orthopaedic radiology service. Radiography, 19(1), 2-6. https://doi.org/10.1016/j.radi.2012.09.005

Objective: The purpose of the study was to explore the proposition that lean is an effective methodology
for service improvement within healthcare by using it to evaluate and implement change in a poor
service.
Design: A mixed model approach was u... Read More about A mixed model study evaluating lean in the transformation of an orthopaedic radiology service.

Practitioner compression force variability in mammography : a preliminary study (2013)
Journal Article
Mercer, C., Hogg, P., Lawson, R., Diffey, J., & Denton, E. (2013). Practitioner compression force variability in mammography : a preliminary study. British Journal of Radiology, 86(1022), 1-9. https://doi.org/10.1259/bjr.20110596

Objective: This preliminary study determines
whether the absolute amount of breast compression
in mammography varies between
and within practitioners.
Methods: Ethics approval was granted. 488
clients met the inclusion criteria. Clients were
im... Read More about Practitioner compression force variability in mammography : a preliminary study.

Accurate localization of incidental findings on the computed tomography attenuation correction image: the influence of tube current variation (2013)
Journal Article
of tube current variation. Nuclear Medicine Communications, 34(2), 180-184. https://doi.org/10.1097/MNM.0b013e32835c0984

This observer performance study assessed lesion
detection in the computed tomography attenuation
correction image, as would be produced for myocardial
perfusion imaging over a tube current (mA) range. A static
anthropomorphic chest phantom contai... Read More about Accurate localization of incidental findings on the computed tomography attenuation correction image: the influence of tube current variation.

Accurate localization of incidental findings on the computed tomography attenuation correction image (2013)
Journal Article
Thompson, J., Hogg, P., Higham, S., & Manning, D. (2013). Accurate localization of incidental findings on the computed tomography attenuation correction image. Nuclear Medicine Communications, 34(2), 180-184. https://doi.org/10.1097/MNM.0b013e32835c0984

This observer performance study assessed lesion
detection in the computed tomography attenuation
correction image, as would be produced for myocardial
perfusion imaging over a tube current (mA) range. A static
anthropomorphic chest phantom contai... Read More about Accurate localization of incidental findings on the computed tomography attenuation correction image.

Pressure and breast thickness in mammography : an exploratory calibration study (2013)
Journal Article
Hogg, P., Taylor, M., Szczepura, K., Mercer, C., & Denton, E. (2013). Pressure and breast thickness in mammography : an exploratory calibration study. British Journal of Radiology, 86(1021), 1-7. https://doi.org/10.1259/bjr.20120222

Objective To perform a calibration study to provide data to help improve consistency in the pressure that is applied during mammography.

Methods Automatic readouts of breast thickness accuracy vary between mammography machines; therefore, one m... Read More about Pressure and breast thickness in mammography : an exploratory calibration study.

Analysis of CT acquisition parameters suitable for use in SPECT/CT : a free-response receiver operating characteristic study (2012)
Journal Article
Thompson, J., Hogg, P., Szczepura, K., & Manning, D. (2012). Analysis of CT acquisition parameters suitable for use in SPECT/CT : a free-response receiver operating characteristic study. Radiography, 18(4), 238-243. https://doi.org/10.1016/j.radi.2012.05.004

Purpose

This dose optimisation free-response receiver operating characteristic (FROC) study compares the diagnostic performance of 8 CT acquisition parameter settings suitable for use with diagnostic quality SPECT/CT systems. Observers were requi... Read More about Analysis of CT acquisition parameters suitable for use in SPECT/CT : a free-response receiver operating characteristic study.

ROCView : prototype software for data collection in jackknife alternative free-response receiver operating characteristic analysis (2012)
Journal Article
Thompson, J., Hogg, P., Thompson, S., Manning, D., & Szczepura, K. (2012). ROCView : prototype software for data collection in jackknife alternative free-response receiver operating characteristic analysis. British Journal of Radiology, 85, 1320-1326. https://doi.org/10.1259/bjr/99497945

ROCView has been developed as an image display and response capture (IDRC) solution to image display and consistent recording of reader responses in relation to the free-response receiver operating characteristic paradigm. A web-based solution to IDR... Read More about ROCView : prototype software for data collection in jackknife alternative free-response receiver operating characteristic analysis.

The readout thickness versus the measured thickness for a range of screen film mammography (SFM) and full-field digital mammography (FFDM) units (2011)
Journal Article
Hauge, I., Hogg, P., Szczepura, K., Connolly, P., McGill, G., & Mercer, C. (2011). The readout thickness versus the measured thickness for a range of screen film mammography (SFM) and full-field digital mammography (FFDM) units. Medical Physics, 39(1), 263-271. https://doi.org/10.1118/1.3663579

PURPOSE: To establish a simple method to determine breast readout accuracy on mammography units. METHODS: A thickness measuring device (TMD) was used in conjunction with a breast phantom. This phantom had compression characteristics similar to human... Read More about The readout thickness versus the measured thickness for a range of screen film mammography (SFM) and full-field digital mammography (FFDM) units.

Prototype software for the clinical evaluation of In-111 SPECT-CT dotatate images conducted prior to and immediately after Y-90 dotatate radionuclide therapy (2011)
Journal Article
Hogg, P., Swire, V., Orlinksi, M., Blindell, P., Vinjamuri, S., & Szczepura, K. (2011). Prototype software for the clinical evaluation of In-111 SPECT-CT dotatate images conducted prior to and immediately after Y-90 dotatate radionuclide therapy. European Journal of Nuclear Medicine and Molecular Imaging, 38(Sup. 2), S447. https://doi.org/10.1007/s00259-011-1913-y

Aim and Background
Neuroendocrine tumours (NETs) are heterogenous and
frequently express cell membrane specific peptide receptors such as somatostatin
receptors (SSTRs). Radiolabelled receptor binding of somatostatin analogues can
guide radioact... Read More about Prototype software for the clinical evaluation of In-111 SPECT-CT dotatate images conducted prior to and immediately after Y-90 dotatate radionuclide therapy.

Analysis of plain X-ray and low resolution CT gonad dose arising from supplementary imaging after bone scanning (2011)
Journal Article
Kelly, J., Szczepura, K., Hogg, P., & Tootell, A. (2011). Analysis of plain X-ray and low resolution CT gonad dose arising from supplementary imaging after bone scanning. European Journal of Nuclear Medicine and Molecular Imaging, 38(Sup. 2), S445. https://doi.org/10.1007/s00259-011-1913-y

Introduction:Bone scintigraphy has long been the first stop for patients undergoing
investigation of bone metastases. The procedure is recognised as being highly
sensitive to the disease however this corresponds to a low specificity. As a result
s... Read More about Analysis of plain X-ray and low resolution CT gonad dose arising from supplementary imaging after bone scanning.