ESTIMATION OF TOTAL EFFECTIVE DOSE AND ABSORBED DOSE FOR LUNG, BREAST AND LIVER IN CHEST HIGHRESOLUTION COMPUTED TOMOGRAPHY
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Date
2022
Authors
Reem Jafar Abu-Sa’a
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Abstract
This study is aiming to see the doses that reach the patient from CT scan ionizing
radiation. Due to the high concerns recently about the affection of CT doses in producing longterm radiation risks.
An estimating for the effective doses of chest and absorbed doses for each of liver,lung
and breast in HRCT chest scan were done. A sample within (39) for patients that were
undergoing scanning at .Thebet-Thabet hospital in Tulkarm city, Palestine. it was used for both
genders at ages ranged from (13-82), important parameters were used to investigate doses such
as DLP, CTDIw and mAs to calculate the total effective and absorbed dose. Methods of three
types were used to estimate these doses such as virtual, manual method.
By using the previous methods and analyzing the data, there was an obvious increase in
female doses and patients how were above (40) y.o, and for organ absorbed doses, the lung was
the highest than liver and breast and the least was liver doses. With the maximum effective doses
(36.01), (23.94) and minimum effective doeses (1.5), (1.16) for virtual and manual methods
respectively, which will be discuss later