A simple theorem relating noise and patient dose in computed tomography

1999 ◽  
Vol 26 (11) ◽  
pp. 2231-2234 ◽  
Author(s):  
Michael D. Harpen
Keyword(s):  
Computed Tomography ◽  
Patient Dose ◽  
Simple Theorem

Patient dose from kilovoltage cone beam computed tomography imaging in radiation therapy

2006 ◽  
Vol 33 (6Part1) ◽  
pp. 1573-1582 ◽  
Author(s):  
Mohammad K. Islam ◽  
Thomas G. Purdie ◽  
Bernhard D. Norrlinger ◽  
Hamideh Alasti ◽  
Douglas J. Moseley ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Radiation Therapy ◽  
Cone Beam Computed Tomography ◽  
Patient Dose ◽  
Cone Beam ◽  
Computed Tomography Imaging ◽  
Tomography Imaging

scholarly journals Comparison of Planer Dose Equilibrium and Computed Tomography Dose Index and Implications for Reported Patient Dose Information

2019 ◽  
Vol 09 (04) ◽  
pp. 43-51
Author(s):  
Ahmad Albngali ◽  
Joshua Deslongchamps ◽  
James Blackwell ◽  
Andy Shearer ◽  
Brendan Tuohy ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Patient Dose ◽  
Dose Information ◽  
Computed Tomography Dose Index ◽  
Dose Index

Correlation Between Anterior–Posterior and Lateral Dimensions with the Effective and Water-Equivalent Diameters in Axial Images From Head Computed Tomography Examinations

2021 ◽  
Author(s):  
Winda Kusuma Dewi ◽  
Choirul Anam ◽  
Eko Hidayanto ◽  
Annisa Lidia Wati ◽  
Geoff Dougherty
Keyword(s):  
Computed Tomography ◽  
Linear Correlation ◽  
Second Order ◽  
Patient Dose ◽  
Equivalent Diameter ◽  
Effective Diameter ◽  
Head Ct ◽  
Order Polynomial ◽  
Head Computed Tomography ◽  
Anterior Posterior

Abstract The study aims to correlate the effective diameter (Deff) and water-equivalent diameter (Dw) parameters with anterior–posterior (AP), lateral (LAT) and AP + LAT dimensions in order to estimate the patient dose in head CT examinations. Seventy-four patient datasets from head CT examinations were retrospectively collected. The patient’s sizes were calculated from the middle slice using a software of IndoseCT. Dw and Deff were plotted as functions of AP, LAT and AP + LAT dimensions. The best trendline fit for LAT and AP functions was a second order polynomial, which resulted in R2 of 0.89 for Deff vs LAT, 0.88 for Dw vs LAT, 0.92 for Deff vs AP and 0.91 for Dw vs AP. A linear correlation was found for Deff vs AP + LAT, Dw vs AP + LAT and Dw vs Deff with R2 of 0.97, 0.96 and 0.98, respectively.

Assessment of Patient Dose from Computed Tomography

1992 ◽  
Vol 43 (1-4) ◽  
pp. 205-205 ◽  
Author(s):  
P.C. Shrimpton ◽  
B.F. Wall
Keyword(s):  
Computed Tomography ◽  
Patient Dose

Patient dose and image quality from mega-voltage cone beam computed tomography imaging

2007 ◽  
Vol 34 (2) ◽  
pp. 499-506 ◽  
Author(s):  
Olivier Gayou ◽  
David S. Parda ◽  
Mark Johnson ◽  
Moyed Miften
Keyword(s):  
Computed Tomography ◽  
Image Quality ◽  
Cone Beam Computed Tomography ◽  
Patient Dose ◽  
Cone Beam ◽  
Computed Tomography Imaging ◽  
Tomography Imaging

SU-FF-J-56: Patient Dose From Kilo-Voltage Cone Beam Computed Tomography (kV-CBCT) Imaging

2007 ◽  
Vol 34 (6Part5) ◽  
pp. 2381-2381 ◽  
Author(s):  
F Li ◽  
Y Yang ◽  
D Heron ◽  
H Chen ◽  
K Komanduri ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Patient Dose ◽  
Cone Beam

SU-FF-I-49: Daily Patient Dose From Kilo-Voltage Cone-Beam Computed Tomography: A Comparison Between XVI and OBI

2007 ◽  
Vol 34 (6Part3) ◽  
pp. 2349-2349
Author(s):  
W Song ◽  
S Ozawa ◽  
S Alani ◽  
C Liu ◽  
A Chvetsov ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Patient Dose ◽  
Cone Beam

Patient Dose in Cardiac Computed Tomography

Herz ◽  
2003 ◽  
Vol 28 (1) ◽  
pp. 1-6 ◽  
Author(s):  
Cynthia H. McCollough
Keyword(s):  
Computed Tomography ◽  
Cardiac Computed Tomography ◽  
Patient Dose
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