The role of imaging in the skeletal involvement of mucopolysaccharidoses

Table 3 Skeletal imaging survey: dose exposure

	Effective dose (mSv)
Radiographic examination	2-year-old child (height 80 cm, weight 11 kg)	10-year-old boy (height 140 cm, weight 32 kg)
A-P/L-L skull	0.05	0.08
A-P/L-L thoracolumbar spine	0.14	0.43
A-P lower extremities	0.01	0.03
A-P hips/pelvis	0.05	0.01
L-L cervical spine	0.02	0.04
P-A thorax	0.01	0.01
A-P forearms, hands, feet	0	0.001
Total	0.28^a	0.60^b

A-P anteroposterior, L-L lateral-lateral, P-A posteroanterior
^aCorresponding to 1 month of background radiation dose, equivalent to twenty-eight posteroanterior thorax examinations
^bCorresponding to 3 months of background radiation dose, equivalent to sixty posteroanterior thorax examinations

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