Table 2.

Self-absorbed energy per unit of TIA based on $S$-values for 177Lu for the adult male phantom from IDAC-Dose 2.1 [81], and on the approximation of LED using ${\mathrm{\Delta }}_{177\mathrm{Lu},\mathrm{e}}$ from ICRP 107 (Table 1)

$S$-value for self-absorbed dose	Mass (g)	$S$-value (mGy MBq−1 h−1)	Mass × $S$-value (mJ MBq−1 h−1)	Ratio to ${\mathrm{\Delta }}_{177\mathrm{Lu},\mathrm{e}}$
$S(\mathrm{kidney}\leftarrow \mathrm{kidney})$	422	0.204	0.0861	1.01
$S(\mathrm{liver}\leftarrow \mathrm{liver})$	2360	0.0376	0.0887	1.04
$S(\mathrm{spleen}\leftarrow \mathrm{spleen})$	228.4	0.377	0.0861	1.01
$S(\mathrm{red}\mathrm{marrow}\leftarrow \mathrm{red}\mathrm{marrow})$	1394	0.0349	0.0487	0.57
$S(\mathrm{blood}\leftarrow \mathrm{blood})$	1	85.3 (in 1 mL)	0.0853	1
LED:${\mathrm{\Delta }}_{177\mathrm{Lu},\mathrm{e}}$	N/A	N/A	0.0853	1