Radiation Therapy RT For Cancer About 99 of patients treated with Radiation Therapy RT have malignancies Approximately 60 of patients with cancer require Radiation Therapy About 60 get RT with the aim to cure ID: 555866
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Radiation TherapySlide2
Radiation Therapy (R/T) For Cancer
About 99% of patients treated with Radiation Therapy (R/T) have malignancies
Approximately 60% of patients with cancer require Radiation Therapy
About 60% get R/T with the aim to cure
About 40% get R/T to relieve symptoms (palliation)Slide3
Radiation Therapy (R/T) For Cancer
Radiation therapy is generally painless
Usually need several weeks of treatment
The aim is to control cancer with the least possible damage to the patient
Physiologic changes to superficial and deep non-target tissues are common
‘Sunburn’
Scarring
Newer techniques with multiple portals reduce ‘collateral’ damageSlide4
Treatment Planning
Courtesy Gilbert Padula, MD CHM ‘97Slide5
Treatment Planning
Courtesy Gilbert Padula, MD CHM ‘97Slide6
Treatment Planning
Courtesy Gilbert Padula, MD CHM ‘97Slide7
Radiation Therapy
Machine (Linear Accelerator)
Courtesy Gilbert Padula, MD CHM ‘97Slide8
Lung Cancer Pre and Post Radiation TherapySlide9
SIDE EFFECTS and COMPLICATIONS OF RADIATION THERAPY or RADIATION EXPOSURE
Fatigue
Skin reactions (
erythema
, desquamation)
Loss of appetite
Temporary drop in platelet and WBC counts
After months or years can get complications in kidney, spinal cord, lung, skin, etc
Scarring, ulcerations
Some can be lethal, such as induction of a secondary tumor