Peter Kench
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View article: Medical Imaging Graduates' Knowledge About <scp>Infection Prevention and Control</scp> in Pharmaceutical Administration Including Contrast in <scp>CT</scp> and Radiopharmaceutical in <scp>Nuclear Medicine</scp>
Medical Imaging Graduates' Knowledge About <span>Infection Prevention and Control</span> in Pharmaceutical Administration Including Contrast in <span>CT</span> and Radiopharmaceutical in <span>Nuclear Medicine</span> Open
Introduction Radiographic and nuclear medicine (NM) examinations utilizing pharmaceutical administration including contrast media (CM) and radiopharmaceuticals, have become essential for diagnosing a variety of diseases but may increase in…
View article: Computed tomography dose management practices and the adoption of automated dose monitoring tools in Australia: a national survey
Computed tomography dose management practices and the adoption of automated dose monitoring tools in Australia: a national survey Open
This study investigates computed tomography (CT) dose management and automatic dose monitoring software (DMS) use in Australian radiology departments. An online survey covering departmental characteristics, dose management practices, DMS u…
View article: Patient Agency in Imaging: Radiologists’ Insights
Patient Agency in Imaging: Radiologists’ Insights Open
Objectives There is a notable rise in patient‐initiated imaging requests, with one possible reason being the increased availability of online health information. This study specifically examines the impact of patient‐initiated radiological…
View article: Automated radiation dose monitoring software packages: impact on computed tomography (CT) dose management and optimisation, implementation challenges, and practical considerations: a systematic review
Automated radiation dose monitoring software packages: impact on computed tomography (CT) dose management and optimisation, implementation challenges, and practical considerations: a systematic review Open
DMS packages offer long-term solution to CT dose optimisation for patients and healthcare facilities. Implementing these tools will ensure accurate and consistent CT dose monitoring while supporting compliance with best practices.
View article: A retrospective comparison of [18F]FDG radiation dose following a transition from conventional to long axial field of view PET/CT
A retrospective comparison of [18F]FDG radiation dose following a transition from conventional to long axial field of view PET/CT Open
Long axial field of view (LAFOV) PET/CT scanners (> 1 m axial FOV) provide an order of magnitude higher system sensitivity compared with conventional scanners. This creates opportunities for significant radiation dose reductions for patien…
View article: Patient Agency in Imaging: Radiologists’ Insights
Patient Agency in Imaging: Radiologists’ Insights Open
Objectives: There is a notable rise in patient-initiated imaging requests, with one possible reason being the increased availability of online health information. This study specifically examines the impact of patient-initiated radiologica…
View article: Evaluating the impact of dose monitoring software alerts on radiation dose reduction in computed tomography: A systematic review
Evaluating the impact of dose monitoring software alerts on radiation dose reduction in computed tomography: A systematic review Open
DMS tools are valuable in automatically identifying high-dose CT protocols, enabling quick investigation and dose optimisation. The high-dose events occurred due to patient and technical factors, which can be mitigated through proper monit…
View article: Radiographers and other radiology workers’ education and training in infection prevention and control: A scoping review
Radiographers and other radiology workers’ education and training in infection prevention and control: A scoping review Open
This scoping review explored IPC education and training among radiology HCWs, which is an important research topic after the COVID-19 pandemic to help reduce infection transmission in healthcare environments.
View article: Patient initiated radiology requests: proof of wellness through images
Patient initiated radiology requests: proof of wellness through images Open
Background Traditionally, general practitioners (GPs) have initiated the need for, and ordered, radiological tests. With the emergence of consumer-centred care, patients have started to request scans from doctors on their own initiative. C…
View article: Patients' requests for radiological imaging: A qualitative study on general practitioners' perspectives
Patients' requests for radiological imaging: A qualitative study on general practitioners' perspectives Open
Background With the increasing availability of information, patients are becoming more informed about radiology procedures and requesting imaging studies. This qualitative study aims to explore factors that influence general practitioners'…
View article: The potential advantages and workflow challenges of long axial field of view<scp>PET</scp>/<scp>CT</scp>
The potential advantages and workflow challenges of long axial field of view<span>PET</span>/<span>CT</span> Open
Recently developed Long (≥100 cm) axial field of view (AFOV) PET/CT scanners are capable of producing images with higher signal‐to‐noise ratio, or performing faster whole‐body acquisitions, or scanning with lower radiation dose to the pati…
View article: Transition to Fast Whole-Body SPECT/CT Bone Imaging: An Assessment of Image Quality
Transition to Fast Whole-Body SPECT/CT Bone Imaging: An Assessment of Image Quality Open
Objective: To investigate the impact of reduced SPECT acquisition time on reconstructed image quality for diagnostic purposes. Method: Data from five patients referred for a routine bone SPECT/CT using the standard multi-bed SPECT/CT proto…
View article: Patient requests for radiological services: An Australian study of patient agency and the impact of online health information
Patient requests for radiological services: An Australian study of patient agency and the impact of online health information Open
Issue Addressed The Internet has been instrumental in patients' knowledge about health and medicine through increasing consultation of online sources that advocate self‐management. For example, those patients who request referrals from the…
View article: Sensitivity of virtual non-contrast dual-energy CT urogram for detection of urinary calculi: a systematic review and meta-analysis
Sensitivity of virtual non-contrast dual-energy CT urogram for detection of urinary calculi: a systematic review and meta-analysis Open
Objective To determine the sensitivity of dual-energy (DE) virtual non-contrast computed tomography (vNCT), generated from the excretory phase of a CT urogram, compared to true non-contrast CT (tNCT) for the detection of urinary calculi. M…
View article: Implementation of a Spatially-Variant and Tissue-Dependent Positron Range Correction for PET/CT Imaging
Implementation of a Spatially-Variant and Tissue-Dependent Positron Range Correction for PET/CT Imaging Open
Aim To develop and evaluate a new approach for spatially variant and tissue-dependent positron range (PR) correction (PRC) during the iterative PET image reconstruction. Materials and Methods The PR distributions of three radionuclides ( 1…
View article: Optimization of <sup>99m</sup>Tc whole‐body SPECT/CT image quality: A phantom study
Optimization of <sup>99m</sup>Tc whole‐body SPECT/CT image quality: A phantom study Open
Purpose Investigate the impact of acquisition time and reconstruction parameters on single‐photon emission computed tomography/computed tomography (SPECT/CT) image quality with the ultimate aim of finding the shortest possible acquisition …
View article: Reducing Radiation Exposure to Paediatric Patients Undergoing [18F]FDG-PET/CT Imaging
Reducing Radiation Exposure to Paediatric Patients Undergoing [18F]FDG-PET/CT Imaging Open
Purpose To investigate the possibility of reducing the injected activity for whole-body [18F]FDG-PET/CT studies of paediatric oncology patients and to assess the usefulness of time-of-flight (TOF) acquisition on PET image quality at reduce…
View article: Increasing iterative reconstruction strength at low tube voltage in coronary CT angiography protocols using 3D‐printed and Catphan<sup>®</sup> 500 phantoms
Increasing iterative reconstruction strength at low tube voltage in coronary CT angiography protocols using 3D‐printed and Catphan<sup>®</sup> 500 phantoms Open
Purpose The purpose of this study was to investigate the effect of increasing iterative reconstruction (IR) algorithm strength at different tube voltages in coronary computed tomography angiography (CCTA) protocols using a three‐dimensiona…
View article: Evaluation of an integrated 3D‐printed phantom for coronary CT angiography using iterative reconstruction algorithm
Evaluation of an integrated 3D‐printed phantom for coronary CT angiography using iterative reconstruction algorithm Open
Introduction 3D‐printed imaging phantoms are now increasingly available and used for computed tomography (CT) dose optimisation study and image quality analysis. The aim of this study was to evaluate the integrated 3D‐printed cardiac inser…
View article: An Australian local diagnostic reference level for paediatric whole-body 18F-FDG PET/CT
An Australian local diagnostic reference level for paediatric whole-body 18F-FDG PET/CT Open
Objective: The aim of this study is to report a local diagnostic reference level (DRL) for paediatric whole-body (WB) fludeoxyglucose (18F-FDG) positron emission tomography (PET) CT examinations. Methods: The Australian Radiation Protectio…
View article: Determining and updating PET/CT and SPECT/CT diagnostic reference levels: A systematic review
Determining and updating PET/CT and SPECT/CT diagnostic reference levels: A systematic review Open
The aim of this systematic review is to investigate the national diagnostic reference level (NDRL) methods for positron emission tomography/computed tomography (PET/CT) and single photon emission tomography/computed tomography (SPECT/CT) p…
View article: Development of an organ‐specific insert phantom generated using a 3D printer for investigations of cardiac computed tomography protocols
Development of an organ‐specific insert phantom generated using a 3D printer for investigations of cardiac computed tomography protocols Open
Introduction An ideal organ‐specific insert phantom should be able to simulate the anatomical features with appropriate appearances in the resultant computed tomography (CT) images. This study investigated a 3D printing technology to devel…
View article: Respiratory Motion Compensation for PET/CT with Motion Information Derived from Matched Attenuation-Corrected Gated PET Data
Respiratory Motion Compensation for PET/CT with Motion Information Derived from Matched Attenuation-Corrected Gated PET Data Open
Respiratory motion degrades the detection and quantification capabilities of PET/CT imaging. Moreover, mismatch between a fast helical CT image and a time-averaged PET image due to respiratory motion results in additional attenuation corre…
View article: Integrating mammographic breast density in glandular dose calculation
Integrating mammographic breast density in glandular dose calculation Open
Objective: This work proposes the use of mammographic breast density (MBD) to estimate actual glandular dose (AGD), and assesses how AGD compares to mean glandular dose (MGD) estimated using Dance et al method. Methods: A retrospective sam…
View article: Precision imaging—its impact on image quality and diagnostic confidence in breast ultrasound examinations
Precision imaging—its impact on image quality and diagnostic confidence in breast ultrasound examinations Open
To our knowledge, this is the first article investigating the impact of the PI algorithm on ultrasound image quality and breast lesion characterization.