SRS PRINCIPLES

All methods of SRS share common principles.

Using specialized hardware and software, multiple small beams of radiation are focused on a target that has been pre-selected by the treating physicians. Targets often vary, from tumors (benign or malignant) to other anatomical and/or functional ones.

Each beam has very little effect on the normal tissue it passes through until it reaches the target. Then, a biologically significant targeted dose of radiation bombs the area where all the beams are precisely focused.

The high radiation dose delivered to the target area causes the tumors to shrink with:

➦ The direct and indirect damage to the DNA of cells

The collapse (convergence) of blood vessels over time after treatment, cutting the tumor from blood supply

➦ By stimulating the immune system

Direct DNA damage and Ionisation of water molecules, causing DNA damage such as ‘Double strand breaks’ Cell ‘suicide’