Quantifying the Increase in Radiation Exposure Associated with SPECT/CT Compared to SPECT Alone for Routine Nuclear Medicine Examinations

Table 1

Whole body effective dose as a result of the radiopharmaceutical administered for a range of routine nuclear medicine examinations.

Study type	Average radiopharmaceutical activity (MBq)	Effective dose per unit activity (mSv/MBq) [11]	Average radiopharmaceutical effective dose (mSv)
^67Gallium	370	0.1	37.0
^99mTc-MDP	1110	0.0057	6.3
^99mTc-MIBI parathyroid	925	0.009	8.3
^111In-Octreotide	222	0.054	12.0
^111In-WBC	18.5	0.36	6.7
^Tc99m Ceretec	740	0.0093	6.9
^131I Uptake	74	0.52	38.5
^131I Posttherapy Scan	5550	0.52	2886.0
^111In Chloride (ProstaScint)	222	0.15	32.4