Sentence examples for medium administration and from inspiring English sources
Cerebral arteriovenous malformations (AVMs) are easily displayed by conventional MRI and MR angiography because of their characteristic high flow, whereas venous malformations such as cavernomas, developmental venous anomalies and capillary telangiectasias cannot be adequately visualised without contrast medium administration and GE sequences, as they mainly consist of slow-flow small vessels.
The final RCT uses a more or less comparable schedule of NaHCO3 150 mEq/l at a rate of 3 ml/kg/h for 1 h before contrast medium administration and 1.5 ml/kg/h for 4 h after CM administration [50] The results of these more or less comparable RCTs are displayed in Table 3.
DCE MRI was acquired every 85 s, one series before contrast medium administration and five post-contrast series.
Whole-body DWI does not require contrast medium administration and is superior to CT in depicting extranodal disease involvement.
CIN is a serious complication of contrast medium administration and is associated with an increased mortality and long-time morbidity.
Abnormal contrast enhancement was reported in 4 cases after IA contrast medium administration and in 6 cases after IV contrast medium administration (Table 1).
Sagittal T1-weighted image after i.v contrast medium administration (c) and coronal T2-weighted image (d) in this 6-week-old boy presenting with macrocephaly show the heterogeneous tumor in the posterior fossa (arrow), with both solid and liquid (block arrow) components.
The contrast medium administration protocols and scanners were consistent pairs.
Contrast medium administration protocols and measures aiming to prevent contrast-related adverse effects were performed according to the guidelines of the European Society of Urogenital Radiology [ 12].
Small tumours are more homogeneous and well defined with strong enhancement after contrast medium administration in CT and MR, whereas larger tumours tend to have pedunculated outgrowth from the main lesion (lobulated contour) and are more heterogeneous including necrotic and haemorrhagic areas.
Potential options for patients at risk for CIN include consideration of an alternative test that does not require intravascular contrast medium administration, hydration prior to and after the imaging procedure, and reduction of the contrast medium dose if feasible.
