However, replacing a conventional chest CT routine protocol with a low-dose protocol is not a simple task, mainly because of the concern that the image quality degradation might make the correct recognition of findings difficult and consequently influence the diagnostic conclusion. Considering the possible adverse effect, the practice of keeping radiation dose as low as reasonably possible (ARALA principle) should be observed in medical imaging involving ionizing radiation.Īs CT is a major cause of radiation exposure buildup, low dose CT techniques is advisable unless it affects management decision.
CT examinations account for majority of radiation exposure related to medical imaging.
There is an increasing awareness of the possible adverse effects of diagnostic radiation exposure to the patients, because the medical radiation exposure has grown significantly as we utilize medical imaging more often.
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