TABLE 1

Estimates of Critical Organ and Effective Dose for Common Pediatric Nuclear Medicine Procedures

	Max admin act (MBq)	1-y-old	5-y-old	10-y-old	15-y-old	Adult
Mass (kg)		9.7	19.8	33.2	56.8	70
^99mTc-MDP^*	740
Bone surface (mGy)		54.5	46.0	45.6	49.2	46.6
Effective dose (mSv)		2.8	2.9	3.9	4.2	4.2
^99mTc-ECD^†	740
Bladder wall (mGy)		13.4	23.0	30.5	37.2	37.0
Effective dose (mSv)		4.1	4.6	5.3	5.9	5.7
^99mTc-sestamibi^*	740
Gallbladder (mGy)		32.9	20.9	20.4	27.0	28.9
Effective dose (mSv)		5.4	5.9	6.3	7.2	6.7
^99mTc-MAG3^*	370
Bladder wall (mGy)		17.2	19.8	31.3	44.1	42.7
Effective dose (mSv)		1.2	1.3	2.2	2.8	2.7
¹²³I-MIBG^*	370
Liver (mGy)		16.6	18.5	22.4	25.6	24.8
Effective dose (mSv)		3.4	3.8	4.5	5.0	4.8
¹⁸F-FDG^†	370
Bladder wall (mGy)		25.6	35.9	44.4	48.8	50.5
Effective dose (mSv)		5.2	5.9	6.6	7.3	7.4

↵* Based on ICRP 80 (25).
↵† Based on ICRP 106 (26).
Max admin act = maximum administered activity is that administered to adult or large child (70 kg) (administered activities for smaller children are scaled by body weight); ECD = ethylcysteinate dimer; MIBG = metaiodobenzylguanidine.