PowerPoint Presentation

XRT terminology

Radiation dose in Gy, 1 Gy = 100 cGy = 100 rads Total dose divided into fractions or exposures Most common fractionation (schedule): - daily XRT Mon-Fri - 2 ÷ 2.5 Gy per fraction XRT machines (deep penetration, skin) Shielding Cure vs. side effects (short, long-term)

Source: biologyofcancer.org/Lecture%2019.ppt