Radiation exposure in standard and high-resolution chest CT scans.
It has been suggested that radiation doses due to high-resolution computed tomography (HRCT) of the chest are considerably higher than those from conventional CT. We compared the effective dose (E, mSv) in conventional chest CT (10-mm contiguous slices) and HRCT (1.5-mm slices, gap 10 mm). In our study, the effective dose from a HRCT (0.98 mSv) is about 6.5 times less than the effective dose from a standard CT scan (6.5 mSv), and only a factor 12 higher than from a conventional chest examination (0.085 mSv).
van der Bruggen-Bogaarts
B A
BA
University Hospital Utrecht, The Netherlands.
Broerse
J J
JJ
Lammers
J W
JW
van Waes
P F
PF
Geleijns
J
J
D006801:Humans; D011829:Radiation Dosage; D011856:Radiographic Image Enhancement; D013902:Radiography, Thoracic; D014057:Tomography, X-Ray Computed / Q000379:methods