All of the following modalities can be used for in situ ablation of liver secondaries, except
Ultrasonic waves
Alcohol
Radio frequency
Cyrotherapy
Local (in situ) ablative therapies for liver secondaries Cryotherapy - in situ destruction of tissues by freeze-thaw process. Radio frequency ablation - a probe inseed into the middle of the tumor emits radiofrequency waves from its tip, which heats the surrounding tissue, resulting in coagulative necrosis. Percutaneous ethanol injection Trans catheter chemoembolization Ref : Devita's Cancer: Principles & Practice, 7/e, p 2362
G.I.T