RADIATION DOSE DETERMINATION in ABDOMINAL CT EXAMINATIONS of CHILDREN at SUDANESE HOSPITALS USING SIZE-SPECIFIC DOSE ESTIMATES

Einas H. Bashier; I. I. Suliman

doi:10.1093/rpd/ncy164

RADIATION DOSE DETERMINATION in ABDOMINAL CT EXAMINATIONS of CHILDREN at SUDANESE HOSPITALS USING SIZE-SPECIFIC DOSE ESTIMATES

Einas H. Bashier^*, I. I. Suliman

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

In this study, we thought to estimate the radiation exposure of children undergoing multi-detector CT examinations using size-specific dose estimates (SSDE). Console-displayed volume computed tomography dose index (CTDI_vol) were recorded for a total of 78 paediatric abdominal CT examinations performed in six hospitals. Measurements of the patient diameters were taken from the mid-slice location on the transverse and scout CT images. Size-specific conversion coefficients were used to translate CTDI_vol to the SSDE, according AAPM Report 204. For children aged 0-1 y, CTDI_vol, SSDE_trans (from transverse images) and SSDE_sco (from scout images) were: 12.80 ± 16.10, 14.43 ± 13.22; and 14.37 ± 13.03 mGy; respectively. For children aged 1-5 y, CTDI_vol, SSDE_trans and SSDE_sco were: 12.11 ± 14.47, 18.8 ± 18.61 and 16.51 ± 13.55 mGy; respectively. The obtained doses are higher than the corresponding diagnostic reference levels. SSDE increase with patient size as results of tube current modulation and is therefore a valuable tool for dose optimisation.

Original language	English
Pages (from-to)	444-449
Number of pages	6
Journal	Radiation Protection Dosimetry
Volume	183
Issue number	4
DOIs	https://doi.org/10.1093/rpd/ncy164
Publication status	Published - Jun 1 2019
Externally published	Yes

ASJC Scopus subject areas

Radiological and Ultrasound Technology
Radiation
Radiology Nuclear Medicine and imaging
Public Health, Environmental and Occupational Health

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1093/rpd/ncy164

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abstract = "In this study, we thought to estimate the radiation exposure of children undergoing multi-detector CT examinations using size-specific dose estimates (SSDE). Console-displayed volume computed tomography dose index (CTDIvol) were recorded for a total of 78 paediatric abdominal CT examinations performed in six hospitals. Measurements of the patient diameters were taken from the mid-slice location on the transverse and scout CT images. Size-specific conversion coefficients were used to translate CTDIvol to the SSDE, according AAPM Report 204. For children aged 0-1 y, CTDIvol, SSDEtrans (from transverse images) and SSDEsco (from scout images) were: 12.80 ± 16.10, 14.43 ± 13.22; and 14.37 ± 13.03 mGy; respectively. For children aged 1-5 y, CTDIvol, SSDEtrans and SSDEsco were: 12.11 ± 14.47, 18.8 ± 18.61 and 16.51 ± 13.55 mGy; respectively. The obtained doses are higher than the corresponding diagnostic reference levels. SSDE increase with patient size as results of tube current modulation and is therefore a valuable tool for dose optimisation.",

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RADIATION DOSE DETERMINATION in ABDOMINAL CT EXAMINATIONS of CHILDREN at SUDANESE HOSPITALS USING SIZE-SPECIFIC DOSE ESTIMATES

Abstract

ASJC Scopus subject areas

UN SDGs

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