Study of displayed radiation dose and size-specific dose estimate from computed tomography brain examinations in accordance to head sizes

doi:10.4329/wjr.v18.i4.119450

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World Journal of Radiology

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1949-8470

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Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Radiol. Apr 28, 2026; 18(4): 119450
Published online Apr 28, 2026. doi: 10.4329/wjr.v18.i4.119450

Table 1 Computed tomography scan parameters (mean ± SD)

Protocol parameter	CT head
Tube voltage (kVp)	120
Reference noise (mAs)	299.27 ± 3.58
Pitch	0.43 ± 0.09
Slice thickness (mm)	5
Scanning mode	Helical
Orientation	Caudocranial
CTDI vol (mGy)	46.83 ± 1.43
DLP (mGy.cm)	869.44 ± 98.47
Scanning range (mm)	16.77 ± 0.76
SSDE calculated (mGy)	46.95 ± 2.07
SSDE displayed (mGy)	41.64 ± 2.07
E (mSv)	1.83 ± 0.21

CT: Computed tomography; CTDI: Computed tomography dose index; DLP: Dose-length product; SSDE: Size specific dose effect.

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Citation: Chauhan A, Sharma S, Mishra A, Pathak A, Mittal KK. Study of displayed radiation dose and size-specific dose estimate from computed tomography brain examinations in accordance to head sizes. World J Radiol 2026; 18(4): 119450
URL: https://www.wjgnet.com/1949-8470/full/v18/i4/119450.htm
DOI: https://dx.doi.org/10.4329/wjr.v18.i4.119450

Chauhan A, Sharma S, Mishra A, Pathak A, Mittal KK. Study of displayed radiation dose and size-specific dose estimate from computed tomography brain examinations in accordance to head sizes. World J Radiol 2026; 18(4): 119450 [PMID: 42057836 DOI: 10.4329/wjr.v18.i4.119450]

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