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Fig. 12. —21-month-old boy with cervical neuroblastoma. Chest CT image
was obtained at 80 kVp and 160 mA with 0.5 sec per rotation, 4 x 5 mm
detector configuration, pitch of 1.5, 5-mm thickness, and 21-cm field of view.
Beam-hardening artifact (arrows) in bony shoulder region was
considered sufficiently severe to remove this option from our pediatric
protocol chart for chest CT.
