Table 1.

Entrance dose measured in each step

Organ	Surface dose (µGy)
	Entrance skin dose(µGy)
	First time	Second time
Right cheek		79.55
Left cheek		47.24
Temporal surface-Right		11.15
Temporal surface-Left		4.80
Head	13.29
Right back of the neck		360.58
Left back of the neck		334.28
Neck	377.59
Thyroid surface		52.68
Eye-Right	29.25	30.00
Eye-Left	29.79	24.98