ISSN Print 2500–1094
ISSN Online 2542–1204
BIOMEDICAL JOURNAL OF PIROGOV UNIVERSITY (MOSCOW, RUSSIA)
METHOD
Iodine quantification with computed tomography for the purpose of dose assessment in contrast enhanced radiotherapy
About authors
1 N. N. Blokhin Russian Cancer Research Center, Moscow, Russia
2 A. I. Burnazyan Federal Medical and Biophysical Center, Moscow, Russia
3 National Research Nuclear University MEPhI, Moscow, Russia
4 Austrian Institute of Technology, Vienna, Austria
Correspondence should be addressed: Alexey A. Lipengolts
Kashirskoe shosse, d. 24, Moscow, Russia, 115478; ur.liam@stlognepil
Received: 2016-12-01
Accepted: 2016-12-06
Published online: 2017-01-19
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Fig. 1. A CT image of a polyethylene phantom with microtubes in it containing a 35 mg/ml aqueous iodine solution. Operating voltage is 80 kV
Fig. 2. Calibration curves showing the relationship between radiopacity (expressed in Hounsfield units, HU) and iodine concentrations at X-ray tube voltages of 80, 100, 120 and 140 kV for solutions placed inside the phantom
Iodine concentrations in aqueous solutions measured by a CT scanner and their deviations from actual values at various voltages
