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 5 Patient characteristics and radiation dose parameters

Descriptive statistics	n	Minimum	Maximum	Mean	SD
AGE	195	18.0	60.0	36.99	12.92
AP (mm)	195	162.5	205.8	186.54	8.84
LAT (mm)	195	125.2	160.1	142.67	7.46
AP (cm)	195	16.25	20.58	18.65	0.88
LAT (cm)	195	12.52	16.01	14.26	0.74
Effective diameter (mm)	195	145.12	178.77	163.08	6.88
Effective diameter (cm)	195	14.52	17.87	16.31	0.68
Kvp	195	120.0	120.0	120.00	0.00
mAs	195	298.0	349.0	299.27	3.58
SSDE displayed	195	35.75	46.15	41.64	2.07
SSDE calculated	195	40.77	55.56	46.95	2.07
Pitch	195	0.40	0.70	0.43	0.09
CTDI vol	195	42.03	55.01	46.83	1.43
CTDI w	195	16.82	33.02	20.19	3.76
DLP displayed (mGy.cm)	195	687.8	1230.06	869.44	98.47
SCAN length (cm)	195	14.10	18.69	16.77	0.76
Effective dose (mSv)	195	0.14	2.58	1.83	0.21

AP: Anterio-posterior; PA: Posterio-anterior; LAT: Lateral; SSDE: Size specific dose estimated; CTDI: Computed tomography dose index; DLP: Dose length product.

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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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