Diatrizoate in Computed Cranial Tomography: A Quantitative Study
- 1 January 1977
- journal article
- Published by Wolters Kluwer Health in Investigative Radiology
- Vol. 12 (1) , 21-26
- https://doi.org/10.1097/00004424-197701000-00008
Abstract
Plasma diatrizoate concentrations during computed cranial tomography were measured by UV spectrophotometry in 14 patients. A loading dose of 0.82 mg diatrizoate/kg followed by a stead infusion of 0.01 mg/kg was required to attain and maintain plasma concentrations of approximately 400 mg/100 ml. Lowering the beam energy resulted in a substantial increase in the EMI numbers of diatrizoate and significant improvement in the delineation of contrast containing lesions. A contrast index estimating the volume of pixel containing diatrizoate was calculated for five diagnosed lesions and this factor appears to be related to vascularity and extravasation.Keywords
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