Table 2.

Parameters of permanent and temporary iodine-125 seeds (Adapted from [13,147]).

	Permanent seeds	Temporary seeds
Activity per source	0.1-3mCi	3-50mCi
Dose	80-700Gy	30-200Gy
Dose rate	3-30cGy/h	3-125cGy/h
Number of sources per case	1-171	1-28
Time to dose	infinity	4-50 days