The contrast media in diagnosis of the brain tumor on the computerization tomography scanner (CT scanner) and the magnetic resonance image (MRI)

ABSTRACT

In the CT scanner, the iodine containing contrast media are usually used by rapid intravenous with speed of 2-3ml/second. The usual dosage was 1-2ml solution with concentration of 60-70% /kg of bodyweight. The contrast media in the magnetic resonance image is Gd-DPTA (Magnevist). The usual dosage is 0.1-0.3mmol/kg by intravenous, the dosage may be higher than this in some cases.