Ionizing radiation from computed tomography versus anesthesia for magnetic resonance imaging in infants and children: patient safety considerations

MJ Callahan, RD MacDougall, SD Bixby, SD Voss… - Pediatric …, 2018 - Springer
In the context of health care, risk assessment is the identification, evaluation and estimation
of risk related to a particular clinical situation or intervention compared to accepted medical …

Operational and dosimetric aspects of pediatric PET/CT

FH Fahey, A Goodkind, RD MacDougall… - Journal of Nuclear …, 2017 - Soc Nuclear Med
No consistent guidelines exist for the acquisition of a CT scan as part of pediatric PET/CT.
Given that children may be more vulnerable to the effects of ionizing radiation, it is necessary …

Current state of practice regarding digital radiography exposure indicators and deviation indices: Report of AAPM Imaging Physics Committee Task Group 232

…, RD MacDougall, L Goldman, S Lang, D Peck… - Medical …, 2018 - Wiley Online Library
Beginning with the advent of digital radiography systems in 1981, manufacturers of these
systems provided indicators of detector exposure. These indicators were manufacturer‐specific…

Size‐based protocol optimization using automatic tube current modulation and automatic kV selection in computed tomography

RD MacDougall, PL Kleinman… - Journal of Applied …, 2016 - Wiley Online Library
Size‐based diagnostic reference ranges (DRRs) for contrast‐enhanced pediatric abdominal
computed tomography (CT) have been published in order to establish practical upper and …

Managing radiation dose from thoracic multidetector computed tomography in pediatric patients: background, current issues, and recommendations

RD MacDougall, KJ Strauss, EY Lee - Radiologic Clinics, 2013 - radiologic.theclinics.com
Computed tomography (CT) is an established and highly valuable diagnostic tool for thoracic
imaging in modern radiology departments. Since its inception, CT has obviated the need …

Pediatric CT dose reduction for suspected appendicitis: a practice quality improvement project using artificial Gaussian noise—part 2, clinical outcomes

…, SP Anandalwar, RD MacDougall… - American Journal of …, 2015 - Am Roentgen Ray Soc
OBJECTIVE. The purpose of this study was to determine the effect of a nominal 50% reduction
in median absorbed radiation dose on sensitivity, specificity, and negative appendectomy …

[HTML][HTML] How we read pediatric PET/CT: indications and strategies for image acquisition, interpretation and reporting

…, FD Grant, L Drubach, MJ Callahan, RD MacDougall… - Cancer Imaging, 2017 - Springer
PET/CT plays an important role in the diagnosis, staging and management of many pediatric
malignancies. The techniques for performing PET/CT examinations in children have …

Improving low-dose pediatric abdominal CT by using convolutional neural networks

RD MacDougall, Y Zhang, MJ Callahan… - Radiology: Artificial …, 2019 - pubs.rsna.org
Purpose To evaluate the efficacy of convolutional neural networks (CNNs) to improve the
image quality of low-dose pediatric abdominal CT images. Materials and Methods Images from …

Pediatric thoracic CT angiography at 70 kV: a phantom study to investigate the effects on image quality and radiation dose

RD MacDougall, PL Kleinman, L Yu, EY Lee - Pediatric radiology, 2016 - Springer
Background Studies have demonstrated that 70-kilovolt (kV) imaging enhances the contrast
of iodine, potentially affording a reduction in radiation dose while maintaining the contrast-to-…

Intraoperative use of O-arm in pediatric cervical spine surgery

…, MT Hresko, RD MacDougall… - Journal of Pediatric …, 2020 - journals.lww.com
Methods: A single-center retrospective study of consecutive examinations of children
treated with cervical spine instrumentation and intraoperative O-arm from 2014 to 2018 was …