This photo shows how small the tattoos are — about the size of a freckle. Radiation is used to treat at least 50% of all cancer cases. High-energy linacs are used to treat deep-seated neoplasms and tumors of the pelvis and thorax. Find out why doctors recommend it, what it involves, and what side effects it can cause. If you're concerned about receiving tattoos, talk with your radiation therapy team. Karin Muller M.D. Cobalt units and low-energy linacs are used primarily to treat bone cancer and tumors of the head, neck, and breast. Radiation Therapy PPT - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Stereotactic radiosurgery . The damage to normal cells causes unwanted side effects. The aim is to control cancer with the least possible damage to the patient. Radiation produces free electrons in the crystal, which fall into “traps” at the sites of lattice imperfections. Radiation therapy is always a balance between destroying the cancer cells and minimizing damage to the normal cells. Tiny tattoos — small dots of ink under your skin — are permanent marks that can't be accidentally rubbed off or washed away. ... Microsoft PowerPoint - CMCR_Seminar_9_11_06_REIMAN.ppt Nursing as a The Radiation Therapy Oncology Group (RTOG) performed a similar trial, except that they also tested accelerated fractionation regiments. Sometimes you'll need multiple tattoos. One hypothesis underlying accelerated treatment is that reductions in overall treatment time will reduce the ability of tumor cells to proliferate (including accelerated repopulation) during the course of treatment ( 22 ). Physiologic changes to superficial and deep non-target tissues are common ‘Sunburn’ Scarring. Radiation therapy is generally painless. Radiation Therapy (R/T) For Cancer. Scribd is the … Radiation therapy is a treatment for cancer. 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