Comparison of the 64- And 80-Detector Row Computed Tomography Among the Ct Number and Radiation Dose During Lower Extremity Computed Tomography Angiography
Abstract:To compare the computed tomography (CT) number and the radiation dose between the 64 (group A) and 80-detector row (group B) during lower extremity computed tomography angiography (LE-CTA). We enrolled 144 patients underwent LE-CTA and compared the CT number for the popliteal arteries, radiation dose and the rate of the optimal CT number during the LE-CTA exceeding 200 HU between the two groups. The CT number for the popliteal arteries and mean dose-length product was significantly higher in Group A than in Gr… Show more
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