9848 Lecture Notes - Lecture 11: Ionizing Radiation, Trigeminal Neuralgia, Radiation Therapist

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INTRODUCION TO RADIATION THERAPY – lecture – don’t need to know in detail just a overview
Objctives
radiation oncology / therapy
the role of a radiation therapist
the basics of cancer and how ionising radiation affects cells
types of radiation therapy
radiation oncology / therapy – doesn’t just treat cancer ***
treatment using ionising radiation of some types of cancer and other conditions inc.
keloid scarring
benign skin conditions
trigeminal neuralgia
endocrine system – pituitary gland
usually associated with MegaVoltage (MV) x-ray radiation but can use other forms of
ionising radiation
other treatments for cancer are:
surgery and chemotherapy
a combination of 2 or all 3 types of treatment
ALL have advantages / disadvantages and possible complications
Radiation theapists – always apart of a team
a radiation therapist’s (RTs) main duty is to provide radiation treatment to the patient
along with emotional support to for their patients
RTs are part of the multi-disciplinary team that include radiation oncologists (specialist
medical doctors) and nurses. May include dieticians, psychologists and an array of other
health professionals
Radiation therapy – 3 distinct steps
Planning – the tteatemnt, direction of beam and dose for tumour
location of the tumour and other sensitive organs
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Document Summary

Introducion to radiation therapy lecture don"t need to know in detail just a overview. All have advantages / disadvantages and possible complications. Radiation theapists always apart of a team a radiation therapist"s (rts) main duty is to provide radiation treatment to the patient along with emotional support to for their patients. Rts are part of the multi-disciplinary team that include radiation oncologists (specialist medical doctors) and nurses. May include dieticians, psychologists and an array of other health professionals. Treatment includes simulation delivery of the prescribed radiation dose in the number of fractions in the approved direction(s) and field size(s) Parallel opposed fields becoming less common. Note lines on the plans (below) are dose iso-lines that show the doses with in the patient. The pictures try to miximise dose in the lungs. A;wyas more dose on the surface where the beam enters.

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