Outputs (27)

Typical median effective radiation doses using an anthropomorphic bone fracture phantom for initial radiographic skeletal surveys in the investigation of suspected physical abuse. (2022)
Journal Article
Doyle, E., Dimmock, M., Lee, K., Thomas, P., & Bassed, R. (2022). Typical median effective radiation doses using an anthropomorphic bone fracture phantom for initial radiographic skeletal surveys in the investigation of suspected physical abuse. Pediatric Radiology, https://doi.org/10.1007/s00247-022-05456-x

BACKGROUND: A series of 31 radiographs is recommended by the Royal College of Radiologists (RCR) when investigating suspected physical abuse (SPA). OBJECTIVE: To determine the radiation dose delivered for skeletal surveys performed for SPA in Victori... Read More about Typical median effective radiation doses using an anthropomorphic bone fracture phantom for initial radiographic skeletal surveys in the investigation of suspected physical abuse..

Dose-volume analysis of planned versus accumulated dose as a predictor for late gastrointestinal toxicity in men receiving radiotherapy for high-risk prostate cancer. (2022)
Journal Article
Ong, A., Knight, K., Panettieri, V., Dimmock, M., Tuan, J., Tan, H., & Wright, C. (2022). Dose-volume analysis of planned versus accumulated dose as a predictor for late gastrointestinal toxicity in men receiving radiotherapy for high-risk prostate cancer. https://doi.org/10.1016/j.phro.2022.07.001

Background and purpose: Significant dose deviations have been reported between planned (DP) and accumulated (DA) dose in prostate radiotherapy. This study aimed to develop multivariate analysis (MVA) models associating Grade 1 and 2 gastrointestinal... Read More about Dose-volume analysis of planned versus accumulated dose as a predictor for late gastrointestinal toxicity in men receiving radiotherapy for high-risk prostate cancer..

Designing a breast support device for phase contrast tomographic imaging: getting ready for a clinical trial (2022)
Journal Article
Dimmock, M., McKinley, J., Massey, A., Hausermann, D., Tam, N., Stewart, E., Cowling, C., Sim, J., Brennan, P. C., Gureyev, T., Taba, S. T., Schultz-Ferguson, C., Jimenez, Y. A., & Lewis, S. J. (2022). Designing a breast support device for phase contrast tomographic imaging: getting ready for a clinical trial. British Journal of Radiology, 95(1138), Article ARTN 20211243. https://doi.org/10.1259/bjr.20211243

Objective
To design a device that can support the breast during phase-contrast tomography, and characterise its fit parameterisation and comfort rating.

Methods
27 participants were recruited to trial a system for breast support during simulated... Read More about Designing a breast support device for phase contrast tomographic imaging: getting ready for a clinical trial.

Energy optimisation of propagation-based phase-contrast computed tomography: a quantitative image quality assessment (2022)
Presentation / Conference Contribution
Lim, B., Lewis, S., Arhatari, B. D., Nesterets, Y., Mayo, S., Thomposon, D., Fox, J., Kumar, B., Hausermann, D., Maksimenko, A., Hall, C., Dimmock, M., Lockie, D., Rickard, M., Giannotti, N., Peele, A., Quiney, H., Gureyev, T. E., Brennan, P., & Taba, S. T. (2022, February). Energy optimisation of propagation-based phase-contrast computed tomography: a quantitative image quality assessment. Paper presented at Physics of Medical Imaging, San Diego, United States

Application of an automated dose accumulation workflow in high-risk prostate cancer - validation and dose-volume analysis between planned and delivered dose (2021)
Journal Article
Ong, A., Knight, K., Panettieri, V., Dimmock, M., Tuan, J. K. L., Tan, H. Q., Master, Z., & Wright, C. (2022). Application of an automated dose accumulation workflow in high-risk prostate cancer - validation and dose-volume analysis between planned and delivered dose. Medical Dosimetry, 47(1), 92-97. https://doi.org/10.1016/j.meddos.2021.09.004

Inter-fraction organ variations cause deviations between planned and delivered doses in patients receiving radiotherapy for prostate cancer. This study compared planned (DP) vs accumulated doses (DA) obtained from daily cone-beam computed tomography... Read More about Application of an automated dose accumulation workflow in high-risk prostate cancer - validation and dose-volume analysis between planned and delivered dose.

X-ray phase-contrast computed tomography for full breast mastectomy imaging at the Australian Synchrotron (2021)
Presentation / Conference Contribution
Arhatari, B. D., Nesterets, Y. I., Taba, S. T., Maksimenko, A., Hall, C. J., Stevenson, A. W., Hausermann, D., Lewis, S. J., Dimmock, M., Thompson, D., Mayo, S. C., Quiney, H. M., Gureyev, T. E., & Brennan, P. C. (2021, August). X-ray phase-contrast computed tomography for full breast mastectomy imaging at the Australian Synchrotron. Paper presented at Developments in X-Ray Tomography XIII, San Diego, United States

One of the imaging modalities offered by the Imaging and Medical Beamline (IMBL) at the Australian Synchrotron is Xray phase-contrast propagation-based computed tomography (PB-CT). The unique combination of high coherence and high brightness of radia... Read More about X-ray phase-contrast computed tomography for full breast mastectomy imaging at the Australian Synchrotron.

Effect of x-ray energy on the radiological image quality in propagation-based phase-contrast computed tomography of the breast (2021)
Journal Article
Wan, S., Arhatari, B. D., Nesterets, Y. I., Mayo, S. C., Thompson, D., Fox, J., Kumar, B., Prodanovic, Z., Hausermann, D., Maksimenko, A., Hall, C., Dimmock, M., Pavlov, K. M., Lockie, D., Rickard, M., Gadomkar, Z., Aminzadeh, A., Vafa, E., Peele, A., Quiney, H. M., …Taba, S. T. (2021). Effect of x-ray energy on the radiological image quality in propagation-based phase-contrast computed tomography of the breast. Journal of Medical Imaging, 8(05), https://doi.org/10.1117/1.jmi.8.5.052108

Purpose: Breast cancer is the most common cancer in women in developing and developed countries and is responsible for 15% of women’s cancer deaths worldwide. Conventional absorption-based breast imaging techniques lack sufficient contrast for compre... Read More about Effect of x-ray energy on the radiological image quality in propagation-based phase-contrast computed tomography of the breast.

X-ray Phase-Contrast Computed Tomography for Soft Tissue Imaging at the Imaging and Medical Beamline (IMBL) of the Australian Synchrotron (2021)
Journal Article
Hall, C., Thompson, D., Mayo, S., Fiala, T., Taba, S., Lewis, S., Stevenson, A., Abbey, B., Nesterets, Y., Maksimenko, A., Brennan, P., Dimmock, M., Hausermann, D., Arhatari, B., Quiney, H., & Gureyev, T. (2021). X-ray Phase-Contrast Computed Tomography for Soft Tissue Imaging at the Imaging and Medical Beamline (IMBL) of the Australian Synchrotron. Applied Sciences, https://doi.org/10.3390/app11094120

The Imaging and Medical Beamline (IMBL) is a superconducting multipole wiggler-based beamline at the 3 GeV Australian Synchrotron operated by the Australian Nuclear Science and Technology Organisation (ANSTO). The beamline delivers hard X-rays in the... Read More about X-ray Phase-Contrast Computed Tomography for Soft Tissue Imaging at the Imaging and Medical Beamline (IMBL) of the Australian Synchrotron.

Propagation-Based Phase-Contrast CT of the Breast Demonstrates Higher Quality Than Conventional Absorption-Based CT Even at Lower Radiation Dose (2021)
Journal Article
Tavakoli Taba, S., Arhatari, B. D., Nesterets, Y. I., Gadomkar, Z., Mayo, S. C., Thompson, D., Fox, J., Kumar, B., Prodanovic, Z., Hausermann, D., Maksimenko, A., Hall, C., Dimmock, M., Pavlov, K. M., Lockie, D., Gity, M., Peele, A., Quiney, H. M., Lewis, S., Gureyev, T. E., & Brennan, P. C. (2021). Propagation-Based Phase-Contrast CT of the Breast Demonstrates Higher Quality Than Conventional Absorption-Based CT Even at Lower Radiation Dose. Academic radiology, 28(1), e20-e26. https://doi.org/10.1016/j.acra.2020.01.009

Rationale and Objectives
Propagation-based phase-contrast CT (PB-CT) is an advanced X-ray imaging technology that exploits both refraction and absorption of the transmitted X-ray beam. This study was aimed at optimizing the experimental conditions o... Read More about Propagation-Based Phase-Contrast CT of the Breast Demonstrates Higher Quality Than Conventional Absorption-Based CT Even at Lower Radiation Dose.

Findings from machine learning in clinical medical imaging applications - Lessons for translation to the forensic setting. (2020)
Journal Article
Peña-Solórzano, C., Albrecht, D., Bassed, R., Burke, M., & Dimmock, M. (2020). Findings from machine learning in clinical medical imaging applications - Lessons for translation to the forensic setting. Forensic Science International, -. https://doi.org/10.1016/j.forsciint.2020.110538

Machine learning (ML) techniques are increasingly being used in clinical medical imaging to automate distinct processing tasks. In post-mortem forensic radiology, the use of these algorithms presents significant challenges due to variability in organ... Read More about Findings from machine learning in clinical medical imaging applications - Lessons for translation to the forensic setting..