Low Dose High Resolution Lung Computerized Tomography – Modified Technique for Radiation Dose Reduction
Keywords:Lung computerized tomography, low dose, high resolution
In order to evaluate the best CT technique for diffuse lung diseases with as minimal radiation dose to the patient as possible, and without losing much information on imaging, 60 patients with known diffuse lung disease were divided into 3 groups. Group A was subjected to conventional CT chest protocol, group B subjected to conventional HRCT chest, and group C underwent a limited slice low dose HRCT lung while the radiation dose to the patient was monitored with a dosimeter placed on the skin. Group B patients provided much improved imaging information with considerable reduction in dose as compare to group A. Group B & C patients yielded the comparable imaging information while the patients dose was e en more reduced in group C ( not much greater than a conventional chest X-ray) without any loss of information.
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