Therapeutic Strategies in HCC: Radiation Modalities

Table 1

Examples of radioisotopes used for HCC transarterial metabolic radiotherapy.

Radioelements	Half-life (days)	Maximum beta energy (MeV)	Maximum range in tissues (mm)	Gamma energy (KeV)
Iodine-131	8.05	6.06	2	364
Rhenium-186	3.7	1.7	5	137
Rhenium-188	0.7	2.1	10	155
Yttrium-90	2.67	2.2	12	None
Holmium-166	1.1	1.85	8.7	80.6