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Cultivate Quantitative Magnetic Resonance Imaging Methods to Measure Markers of Health and Translate to Large Scale Cohort Studies (2023)
Thesis
Fitzpatrick, J. (2023). Cultivate Quantitative Magnetic Resonance Imaging Methods to Measure Markers of Health and Translate to Large Scale Cohort Studies. (Thesis). University of Salford

Magnetic Resonance Imaging (MRI) is an indispensable tool in healthcare and research, with a growing demand for its services. The appeal of MRI stems from its non-ionizing radiation nature, ability to generate high-resolution images of internal organ... Read More about Cultivate Quantitative Magnetic Resonance Imaging Methods to Measure Markers of Health and Translate to Large Scale Cohort Studies.

Optimising image quality and radiation dose with a focus on geometry and attenuation (2021)
Thesis
Tugwell-Allsup, J. Optimising image quality and radiation dose with a focus on geometry and attenuation. (Thesis). University of Salford

Optimisation in medical imaging ensures an appropriate balance is achieved between acquiring images of diagnostic quality and the radiation dose received by the patient. Pragmatic, simple and effective methods are essential to ensure that optimisatio... Read More about Optimising image quality and radiation dose with a focus on geometry and attenuation.

Pressure distribution analysis of x-ray table mattresses (2020)
Journal Article
Alresheedi, N., Walton, L., Tootell, A., Webb, J., & Hogg, P. (2021). Pressure distribution analysis of x-ray table mattresses. Journal of Medical Imaging and Radiation Sciences, 52(1), 97-103. https://doi.org/10.1016/j.jmir.2020.11.001

Background There is a risk of developing pressure ulcers from lying on an X-ray table mattress, if the mattress pressure redistribution properties are poor. Aim: To assess the pressure redistribution properties of ‘new’ and ‘in current clinical... Read More about Pressure distribution analysis of x-ray table mattresses.

Evaluation of X-ray table mattresses for radiation attenuation and impact on image quality (2020)
Journal Article
Alresheedi, N., Walton, L., Hogg, P., Webb, J., & Tootell, A. (2021). Evaluation of X-ray table mattresses for radiation attenuation and impact on image quality. Radiography, 27(1), 215-220. https://doi.org/10.1016/j.radi.2020.10.014

Introduction Mattresses in the radiology department tend to be an overlooked aspect of imaging equipment. This paper evaluates the radiation attenuation characteristics of mattresses and the effect they have on image quality. Method Thirteen... Read More about Evaluation of X-ray table mattresses for radiation attenuation and impact on image quality.

Radiation dose from digital breast tomosynthesis screening - A comparison with full field digital mammography (2020)
Journal Article
M Ali, R., England, A., Tootell, A., & Hogg, P. (2020). Radiation dose from digital breast tomosynthesis screening - A comparison with full field digital mammography. Journal of Medical Imaging and Radiation Sciences, 51(4), 599-603. https://doi.org/10.1016/j.jmir.2020.08.018

To compare Mean Glandular Dose (MGD) and effective dose from digital breast tomosynthesis (DBT) screening with that from full field digital mammography (FFDM) screening. To simulate compressed breasts, two Perspex-polyethylene breast phantoms were us... Read More about Radiation dose from digital breast tomosynthesis screening - A comparison with full field digital mammography.

Impact of gonad shielding for AP pelvis on dose and image quality on different female sizes : a phantom study (2020)
Journal Article
Buissink, C., Alrowily, M., Dougoud, C., Linneman, J., Lirot, M., Mzobe, N., …van der Heij-Meijer, A. (2020). Impact of gonad shielding for AP pelvis on dose and image quality on different female sizes : a phantom study. Radiography, 26(Sup 2), S71-S78. https://doi.org/10.1016/j.radi.2020.06.013

Introduction In clinical practice AP pelvis standard protocols are suitable for average size patients. However, as the average body size has increased over the past decades, radiographers have had to improve their practice in order to ensure that ad... Read More about Impact of gonad shielding for AP pelvis on dose and image quality on different female sizes : a phantom study.

A phantom-based method to assess X-ray table mattress interface pressures (2020)
Journal Article
Alresheedi, N., Walton, A., Tootell, A., Webb, J., & Hogg, P. (2020). A phantom-based method to assess X-ray table mattress interface pressures. Journal of Medical Imaging and Radiation Sciences, 51(3), 417-424. https://doi.org/10.1016/j.jmir.2020.04.007

Background Pressure redistribution performance of X-ray table mattresses can influence the development of pressure ulcers in at risk populations. Interface pressure analysis, with human participants, is a common method to assess mattresses. This... Read More about A phantom-based method to assess X-ray table mattress interface pressures.

Development and validation of a bespoke phantom to test accuracy of Cobb angle measurements (2019)
Journal Article
Alrehily, F., Hogg, P., Twiste, M., Johansen, S., & Tootell, A. (2020). Development and validation of a bespoke phantom to test accuracy of Cobb angle measurements. Radiography, 26(2), e78-e87. https://doi.org/10.1016/j.radi.2019.11.002

Introduction: Adolescent idiopathic scoliosis (AIS) is a spinal deformity that causes the spine to bend laterally. Patients with AIS undergo frequent X-ray examinations to monitor the progression of the disorder by through the measurement of the Cobb... Read More about Development and validation of a bespoke phantom to test accuracy of Cobb angle measurements.

The accuracy of Cobb angle measurement on CT scan projection radiograph images (2019)
Journal Article
Alrehily, F., Hogg, P., Twiste, M., Johansen, S., & Tootell, A. (2020). The accuracy of Cobb angle measurement on CT scan projection radiograph images. Radiography, 26(2), e73-e77. https://doi.org/10.1016/j.radi.2019.11.001

Introduction: Adolescent idiopathic scoliosis (AIS) is a spinal deformity that can affect young children. It requires frequent exposure to X-rays to monitor the deformity, which can lead to the development of radiation-induced cancer later in life. T... Read More about The accuracy of Cobb angle measurement on CT scan projection radiograph images.

Investigating the ability to use the CT scan projection radiograph to monitor adolescent idiopathic scoliosis (2019)
Thesis
Alrehily, F. Investigating the ability to use the CT scan projection radiograph to monitor adolescent idiopathic scoliosis. (Thesis). University of Salford

Introduction: Adolescent idiopathic scoliosis (AIS) is a spinal deformity that causes the spine to bend laterally. Patients with AIS undergo frequent X-ray examinations to monitor the progression of the deformity through the measurement of the Cobb a... Read More about Investigating the ability to use the CT scan projection radiograph to monitor adolescent idiopathic scoliosis.

Impact of contralateral breast shielding on the risk of developing radiation-induced cancer from full-field digital mammography screening (2019)
Journal Article
Ali, R., England, A., Mercer, C., Tootell, A., & Hogg, P. (2019). Impact of contralateral breast shielding on the risk of developing radiation-induced cancer from full-field digital mammography screening. Journal of Medical Imaging and Radiation Sciences, 50(2), 331-336. https://doi.org/10.1016/j.jmir.2019.02.005

Objective The objective of this study was to investigate the impact of contralateral breast shielding on the risk of developing radiation-induced cancer from four-view full-field digital mammography (FFDM) screening. Methods A poly methyl meth... Read More about Impact of contralateral breast shielding on the risk of developing radiation-induced cancer from full-field digital mammography screening.

Radiation protection value to the operator from augmented reality smart glasses in interventional fluoroscopy procedures using phantoms (2019)
Journal Article
Dorey, S., Gray, L., Tootell, A., Higgins, R., Al-Islam, S., Baxter, H., …Hogg, P. (2019). Radiation protection value to the operator from augmented reality smart glasses in interventional fluoroscopy procedures using phantoms. Radiography, 25(4), 301-307. https://doi.org/10.1016/j.radi.2019.02.008

Introduction: Smart glasses can be adapted to display radiographic images to allow clinician’s gaze not to be directionally fixed or predetermined by computer monitor location. This study presents an analysis of eye lens dose during interventional fl... Read More about Radiation protection value to the operator from augmented reality smart glasses in interventional fluoroscopy procedures using phantoms.

Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS (2019)
Journal Article
Alrehily, F., Hogg, P., Twiste, M., Johansen, S., & Tootell, A. (2019). Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS. Radiography, 25(3), https://doi.org/10.1016/j.radi.2019.02.005

Introduction: Scoliosis is defined as a deformity of the spine with lateral curvature in the coronal plane. It requires regular X-ray imaging to monitor the progress of the disorder, therefore scoliotic patients are frequently exposed to radiation. I... Read More about Scoliosis imaging : an analysis of radiation risk in the CT scan projection radiograph and a comparison with projection radiography and EOS.

Effective lifetime radiation risk for a number of national mammography screening programmes (2018)
Journal Article
Ali, R., England, A., McEntee, M., Tootell, A., Mercer, C., & Hogg, P. (2018). Effective lifetime radiation risk for a number of national mammography screening programmes. Radiography, 24(3), 240-246. https://doi.org/10.1016/j.radi.2018.02.001

Background and purpose: The performance of mammography screening programmes is focussed mainly on breast cancer detection rates. However, when the benefits and risks of mammography are considered, the risk of radiation-induced cancer is calculated fo... Read More about Effective lifetime radiation risk for a number of national mammography screening programmes.

Mathematical modelling of radiation-induced cancer risk from breast screening by mammography (2017)
Journal Article
Ali, R., England, A., Mercer, C., Tootell, A., Walton, L., Schaake, W., & Hogg, P. (2017). Mathematical modelling of radiation-induced cancer risk from breast screening by mammography. European Journal of Radiology, 96, 98-103. https://doi.org/10.1016/j.ejrad.2017.10.003

Objectives: Establish a method to determine and convey lifetime radiation risk from FFDM screening. Methods: Radiation risk from screening mammography was quantified using effective risk (number of radiation-induced cancer cases/million). For effec... Read More about Mathematical modelling of radiation-induced cancer risk from breast screening by mammography.

Does collimation affect patient dose in antero-posterior thoraco-lumbar spine? (2017)
Journal Article
Robinson, J., Tootell, A., Ali, R., & Hogg, P. (2017). Does collimation affect patient dose in antero-posterior thoraco-lumbar spine?. Radiography, 23(3), 211-215. https://doi.org/10.1016/j.radi.2017.03.012

BACKGROUND: The purpose of this study is to determine the effect of collimation on the lifetime attributable risk (LAR) of cancer incidence in all body organs (effective risk) in patients undergoing antero-posterior (AP) examinations of the spine. T... Read More about Does collimation affect patient dose in antero-posterior thoraco-lumbar spine?.

Analysis of effective and organ dose estimation in CT when using mA modulation : a single scanner pilot study (2017)
Journal Article
Tootell, A., Szczepura, K., & Hogg, P. (2017). Analysis of effective and organ dose estimation in CT when using mA modulation : a single scanner pilot study. Radiography, 23(2), 159-166. https://doi.org/10.1016/j.radi.2017.02.006

Effective dose (ED) estimation in CT examinations can be obtained by combining dose length product (DLP) with published ED per DLP coefficients or performed using software. These methods do not account for tube current (mA) modulation which is influe... Read More about Analysis of effective and organ dose estimation in CT when using mA modulation : a single scanner pilot study.

Effective dose and effective risk from post-SPECT imaging of the lumbar spine (2016)
Journal Article
Tootell, A., McEntee, M., Szczepura, K., & Hogg, P. (2016). Effective dose and effective risk from post-SPECT imaging of the lumbar spine. Journal of Medical Imaging and Radiation Sciences, 47(3), 267-275. https://doi.org/10.1016/j.jmir.2016.04.012

Purpose Planar bone scans play an important role in the staging and monitoring of malignancy and metastases. Metastases in the lumbar spine are associated with significant morbidity, therefore accurate diagnosis is essential. Supplementary imaging... Read More about Effective dose and effective risk from post-SPECT imaging of the lumbar spine.

Effect of reconstruction methods and x-ray tube current-time product on nodule detection in an anthropomorphic thorax phantom : a crossed-modality JAFROC observer study (2016)
Journal Article
Thompson, J., Chakraborty, D., Szczepura, K., Tootell, A., Vamvakas, I., Manning, D., & Hogg, P. (2016). Effect of reconstruction methods and x-ray tube current-time product on nodule detection in an anthropomorphic thorax phantom : a crossed-modality JAFROC observer study. Medical Physics, 43(3), 1265-1274. https://doi.org/10.1118/1.4941017

Purpose: To evaluate nodule detection in an anthropomorphic chest phantom in computed tomography (CT) images reconstructed with adaptive iterative dose reduction 3D (AIDR3D) and filtered back projection (FBP) over a range of tube current-time product... Read More about Effect of reconstruction methods and x-ray tube current-time product on nodule detection in an anthropomorphic thorax phantom : a crossed-modality JAFROC observer study.