[HTML][HTML] Use of water equivalent diameter for calculating patient size and size-specific dose estimates (SSDE) in CT: the report of AAPM task group 220

C McCollough, DM Bakalyar, M Bostani, S Brady… - AAPM report, 2014 - ncbi.nlm.nih.gov
Volume computed tomography dose index (CTDIvol) and dose length product (DLP) values
are frequently used to represent radiation doses from a CT scan. The limitation of CTDIvol …

Effect of patient centering on patient dose and image noise in chest CT

T Kaasalainen, K Palmu, V Reijonen… - American journal of …, 2014 - Am Roentgen Ray Soc
OBJECTIVE. The objective of our study was to evaluate the effect of vertical centering on
dose and image noise in chest MDCT of different-sized patients using anthropomorphic …

Automated Calculation of Water‐equivalent Diameter (DW) Based on AAPM Task Group 220

C Anam, F Haryanto, R Widita, I Arif… - Journal of applied …, 2016 - Wiley Online Library
The purpose of this study is to accurately and effectively automate the calculation of the
water‐equivalent diameter () from 3D CT images for estimating the size‐specific dose. is the …

Size-specific dose estimates for chest, abdominal, and pelvic CT: effect of intrapatient variability in water-equivalent diameter

S Leng, M Shiung, X Duan, L Yu, Y Zhang… - Radiology, 2015 - pubs.rsna.org
Purpose To develop software to automatically calculate size-specific dose estimates
(SSDEs) and to assess the effect of variations in water-equivalent diameter (D w) along the z …

Evaluation of AAPM Reports 204 and 220: estimation of effective diameter, water‐equivalent diameter, and ellipticity ratios for chest, abdomen, pelvis, and head CT …

CS Burton, TP Szczykutowicz - Journal of applied clinical …, 2018 - Wiley Online Library
Abstract Purpose To confirm AAPM Reports 204/220 and provide data for the future
expansion of these reports by:(a) presenting the first large‐scale confirmation of the reports …

Dosimetric and radiation cancer risk evaluation of high resolution thorax CT during COVID-19 outbreak

C Ghetti, O Ortenzia, M Maddalo, L Altabella… - Physica Medica, 2020 - Elsevier
Purpose The aim of this work was to evaluate the dosimetric impact of high-resolution thorax
CT during COVID-19 outbreak in the University Hospital of Parma. In two months we have …

A fully automated calculation of size-specific dose estimates (SSDE) in thoracic and head CT examinations

C Anam, F Haryanto, R Widita, I Arif… - Journal of Physics …, 2016 - iopscience.iop.org
The purpose of this study is to automatically calculate and then investigate the size-specific
dose estimate (SSDE) in thoracic and head CT examinations undertaken using standard …

Observer performance in the detection and classification of malignant hepatic nodules and masses with CT image-space denoising and iterative reconstruction

JG Fletcher, L Yu, Z Li, A Manduca, DJ Blezek… - Radiology, 2015 - pubs.rsna.org
Purpose To determine if lower-dose computed tomographic (CT) scans obtained with
adaptive image-based noise reduction (adaptive nonlocal means [ANLM]) or iterative …

The feasibility of a regional CTDIvol to estimate organ dose from tube current modulated CT exams

M Khatonabadi, HJ Kim, P Lu, KL McMillan… - Medical …, 2013 - Wiley Online Library
Purpose: In AAPM Task Group 204, the size‐specific dose estimate (SSDE) was developed
by providing size adjustment factors which are applied to the Computed Tomography (CT) …

Assessment of patient dose and noise level of clinical CT images: automated measurements

C Anam, WS Budi, K Adi, H Sutanto… - Journal of …, 2019 - iopscience.iop.org
We investigated comparisons between patient dose and noise in pelvic, abdominal, thoracic
and head CT images using an automatic method. 113 patient images (37 pelvis, 34 …