Impact of beam collimation of z-overscanning on dose to the lens and thyroid gland in paediatric thoracic computed tomography imaging.

Takanori Masuda Masao Kiguchi Chikako Fujioka Takayuki Oku Toru Ishibashi Yasushi Katsunuma Takayasu Yoshitake Shuji Abe Kazuo Awai

Published in: Pediatric radiology (2024)

Compared with that observed for 80-mm collimation in helical CT scans of the paediatric thorax, the dose deposited outside the imaged volume (to the lens and thyroid) was significantly lower in newborns and 5-year-olds with 40-mm collimation.

Keyphrases

computed tomography
dual energy
contrast enhanced
positron emission tomography
intensive care unit
image quality
emergency department
magnetic resonance imaging
high resolution
pregnant women
spinal cord
cataract surgery
mass spectrometry
spinal cord injury
cord blood
monte carlo
electron microscopy