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Breast compression - an exploration of problem solving and decision making in mammography (2014)
Journal Article
Nightingale, J., Murphy, F., Robinson, L., Newton-Hughes, A., & Hogg, P. (2015). Breast compression - an exploration of problem solving and decision making in mammography. Radiography, 21(4), 364-369. https://doi.org/10.1016/j.radi.2014.11.004

Objective: Breast compression decreases radiation dose and reduces potential for motion and geometric unsharpness, yet there is variability in applied compression force within and between some centres. This article explores the problem solving proces... Read More about Breast compression - an exploration of problem solving and decision making in mammography.

Extra patient movement during mammographic imaging : an experimental study (2014)
Journal Article
an experimental study. British Journal of Radiology, 87(1044), https://doi.org/10.1259/bjr.20140241

Objectives: To determine if movement external to the patient occurring during mammography may be a source of image blur. Methods: Four mammography machines with seven flexible and nine fixed paddles were evaluated. In the first stage, movement at the... Read More about Extra patient movement during mammographic imaging : an experimental study.

Multi-centre analysis of incidental findings on low-resolution CT attenuation correction images (2014)
Journal Article
Coward, J., Lawson, R., Kane, T., Elias, M., Howes, A., Birchall, J., & Hogg, P. (2014). Multi-centre analysis of incidental findings on low-resolution CT attenuation correction images. British Journal of Radiology, 87(1042), https://doi.org/10.1259/bjr.20130701

Objective: To review new incidental findings detected on
low-resolution CT attenuation correction (CTAC) images acquired
during single-photon emission CT (SPECT-CT) myocardial
perfusion imaging (MPI) and to determine whether
the CTAC images had d... Read More about Multi-centre analysis of incidental findings on low-resolution CT attenuation correction images.

Comparison of effective dose and lifetime risk of cancer Incidence of CT attenuation correction acquisitions and radiopharmaceutical administration for myocardial perfusion imaging (2014)
Journal Article
Tootell, A., Szczepura, K., & Hogg, P. (2014). Comparison of effective dose and lifetime risk of cancer Incidence of CT attenuation correction acquisitions and radiopharmaceutical administration for myocardial perfusion imaging. British Journal of Radiology, 87(1041), 20140110. https://doi.org/10.1259/bjr.20140110

Objective: To measure the organ dose and calculate effective dose from CT attenuation correction (CTAC) acquisitions from four commonly used gamma camera single photon emission CT/CT systems.

Methods: CTAC dosimetry data was collected using therm... Read More about Comparison of effective dose and lifetime risk of cancer Incidence of CT attenuation correction acquisitions and radiopharmaceutical administration for myocardial perfusion imaging.

A 6 year study of mammographic compression force : practitioner variability within and between screening sites (2014)
Journal Article
Mercer, C., Szczepura, K., Kelly, J., Millington, S., Denton, D., Borgen, R., …Hogg, P. (2015). A 6 year study of mammographic compression force : practitioner variability within and between screening sites. Radiography, 21(1), 68-73. https://doi.org/10.1016/j.radi.2014.07.004

Background
The application of compression force in mammography is more heavily influenced by the practitioner rather than the client. This can affect client experience, radiation
dose and image quality. This research investigates practitioner comp... Read More about A 6 year study of mammographic compression force : practitioner variability within and between screening sites.

The influence of experience and training in a group of novice observers : A jackknife alternative free-response receiver operating characteristic analysis (2014)
Journal Article
observers : A jackknife alternative free-response receiver operating characteristic analysis. Radiography, 20(4), 300-305. https://doi.org/10.1016/j.radi.2014.06.016

Purpose: The study evaluates the pre- and post-training lesion localisation ability of a group of novice
observers. Parallels are drawn with the performance of inexperienced radiographers taking part in
preliminary clinical evaluation (PCE) and ‘re... Read More about The influence of experience and training in a group of novice observers : A jackknife alternative free-response receiver operating characteristic analysis.

An evaluation of the student and tutor experience of a residential summer school event (OPTIMAX) (2014)
Journal Article
Higgins, R., Robinson, L., & Hogg, P. (2014). An evaluation of the student and tutor experience of a residential summer school event (OPTIMAX). Radiography, 20(4), 363-368. https://doi.org/10.1016/j.radi.2014.06.015

Aim: To explore the experiences of students and tutors who participated in a residential multi-cultural and multi-professional 3 week summer school event (OPTIMAX).

Method: A grounded theory approach was adopted. Two semi-structured focus group in... Read More about An evaluation of the student and tutor experience of a residential summer school event (OPTIMAX).

An observational study of cross-cultural communication in short-term, diverse professional learning groups (2014)
Journal Article
Robinson, L., Hogg, P., & Higgins, R. (2014). An observational study of cross-cultural communication in short-term, diverse professional learning groups. Radiography, 20(4), 356-362. https://doi.org/10.1016/j.radi.2014.06.007

Abstract
This paper reports the evaluation of a European funded 3-week summer school which took place in 2013 involving 60 staff and students from five universities. The evaluation looked at one group in detail using a qualitative approach to consi... Read More about An observational study of cross-cultural communication in short-term, diverse professional learning groups.

A mammography image set for research purposes using BI-RADS density classification (2014)
Journal Article
Mercer, C., Hogg, P., Kelly, J., Borgan, R., Millington, S., Hilton, B., …Wheelan, P. (2014). A mammography image set for research purposes using BI-RADS density classification. Radiologic technology, 85(6), 609-613

Purpose Breast density categorization consistency is important when performing research, and minimization of interoperator
and intraoperator variability is essential. This research aimed to validate a set of mammography images for visual breast
den... Read More about A mammography image set for research purposes using BI-RADS density classification.

A method to investigate image blurring due to mammography machine compression paddle movement (2014)
Journal Article
Wang, M., Hogg, P., Kelly, J., & Millington, S. (2015). A method to investigate image blurring due to mammography machine compression paddle movement. Radiography, 21(1), 36-41. https://doi.org/10.1016/j.radi.2014.06.004

Background

Compression paddles can move during mammography exposures. Speculation suggests that this movement can cause image blurring. No research has been published to demonstrate whether such movement could cause image blurring.

Aim

Devel... Read More about A method to investigate image blurring due to mammography machine compression paddle movement.

Increasing source to image distance for AP pelvis imaging – impact on radiation dose and image quality (2014)
Journal Article
Tugwell, E., Everton, C., Kingma, A., & Hogg, P. (2014). Increasing source to image distance for AP pelvis imaging – impact on radiation dose and image quality. Radiography, 20(4), 351-355. https://doi.org/10.1016/j.radi.2014.05.012

Aim: A quantative primary study to determine whether increasing source to image distance (SID), with
and without the use of automatic exposure control (AEC) for antero-posterior (AP) pelvis imaging, reduces
dose whilst still producing an image of d... Read More about Increasing source to image distance for AP pelvis imaging – impact on radiation dose and image quality.

Image quality and dose analysis for a PA chest X-ray: Comparison between AEC mode acquisition and manual mode using the 10 kVp ‘rule’ (2014)
Journal Article
Reis, C., Gonçalves, J., Klompmaker, C., Bárbara, A., Bloor, C., Hegarty, R., …Hogg, P. (2014). Image quality and dose analysis for a PA chest X-ray: Comparison between AEC mode acquisition and manual mode using the 10 kVp ‘rule’. Radiography, 20(4), 339-345. https://doi.org/10.1016/j.radi.2014.06.001

Purpose

To compare the image quality and effective dose applying the 10 kVp rule with manual mode acquisition and AEC mode in PA chest X-ray.

Method

68 images (with and without lesions) were acquired using an anthropomorphic chest phantom us... Read More about Image quality and dose analysis for a PA chest X-ray: Comparison between AEC mode acquisition and manual mode using the 10 kVp ‘rule’.

Compression force behaviours : an exploration of the beliefs and values influencing the application of breast compression during screening mammography (2014)
Journal Article
Murphy, F., Nightingale, J., Hogg, P., Robinson, L., Seddon, D., & Mackay, S. (2015). Compression force behaviours : an exploration of the beliefs and values influencing the application of breast compression during screening mammography. Radiography, 21(1), 30-35. https://doi.org/10.1016/j.radi.2014.05.009

This research project investigated the compression behaviours of practitioners during screening mammography. The study sought to provide a qualitative understanding of ‘how’ and ‘why’ practitioners apply compression force. With a clear conflict in t... Read More about Compression force behaviours : an exploration of the beliefs and values influencing the application of breast compression during screening mammography.

An overview of measuring and modelling dose and risk from ionising radiation for medical exposures (2014)
Journal Article
risk from ionising radiation for medical exposures. Radiography, 20(4), 323-332. https://doi.org/10.1016/j.radi.2014.05.002

PURPOSE: This paper gives an overview of the methods that are used to calculate dose and risk from exposure to ionizing radiation as a support to other papers in this special issue.
BACKGROUND: The optimization of radiation dose is a legal requir... Read More about An overview of measuring and modelling dose and risk from ionising radiation for medical exposures.

Analysing data from observer studies in medical imaging research : An introductory guide to free-response techniques (2014)
Journal Article
Thompson, J., Manning, D., & Hogg, P. (2014). Analysing data from observer studies in medical imaging research : An introductory guide to free-response techniques. Radiography, 20(4), 295-299. https://doi.org/10.1016/j.radi.2014.04.005

Observer performance methods maintain their place in radiology research, particularly in the assessment
of the diagnostic accuracy of new and existing techniques, despite not being fully embraced by the wider
audience in medical imaging. The receiv... Read More about Analysing data from observer studies in medical imaging research : An introductory guide to free-response techniques.

Breast tissue bulge and lesion visibility during stereotactic biopsy – a phantom study (2014)
Journal Article
Williams, S., Hackney, L., Hogg, P., & Szczepura, K. (2014). Breast tissue bulge and lesion visibility during stereotactic biopsy – a phantom study. Radiography, 20(3), 271-276. https://doi.org/10.1016/j.radi.2014.04.006

Background

During mammography guided stereotactic breast biopsy a bulge of tissue can form in the paddle needle biopsy aperture. This bulge has been estimated to have a height of up to 30% of the breast itself. During clinical biopsy we have noti... Read More about Breast tissue bulge and lesion visibility during stereotactic biopsy – a phantom study.

10 kVp rule - an anthropomorphic pelvis phantom imaging study using a CR system : impact on image quality and effective dose using AEC and manual mode (2014)
Journal Article
Lanca, L., Franco, L., Ahmed, A., & Hogg, P. (2014). 10 kVp rule - an anthropomorphic pelvis phantom imaging study using a CR system : impact on image quality and effective dose using AEC and manual mode. Radiography, 20(4), 333-338. https://doi.org/10.1016/j.radi.2014.04.007

Purpose: This study aims to investigate the influence of tube potential (kVp) variation in relation to perceptual image quality and effective dose for pelvis using automatic exposure control (AEC) and non-AEC in a Computed Radiography (CR) system.
M... Read More about 10 kVp rule - an anthropomorphic pelvis phantom imaging study using a CR system : impact on image quality and effective dose using AEC and manual mode.

Developing and validating a psychometric scale for image quality assessment (2014)
Journal Article
Mraity, H., England, A., & Hogg, P. (2014). Developing and validating a psychometric scale for image quality assessment. Radiography, 20(4), 306-311. https://doi.org/10.1016/j.radi.2014.04.002

Purpose

Using AP pelvis as a catalyst, this paper explains how a psychometric scale for image quality assessment can be created using Bandura's theory for self-efficacy.

Background

Establishing an accurate diagnosis is highly dependent upon... Read More about Developing and validating a psychometric scale for image quality assessment.

Effects of kilovoltage, milliampere seconds, and focal spot size on image quality (2014)
Journal Article
Ma, W., Norton, S., & Hogg, P. (2014). Effects of kilovoltage, milliampere seconds, and focal spot size on image quality. Radiologic technology, 85(5), 479-485

Purpose To determine how kilovoltage (kV), milliampere seconds (mAs), and focal spot size affect perceptual image quality
using a hand phantom.
Methods Using computed radiography, 70 images of a posteroanterior (PA) oblique hand phantom were acquir... Read More about Effects of kilovoltage, milliampere seconds, and focal spot size on image quality.