There are 2 main ways of treating tumours - external irradiation by radiotherapy and internal radiopharmaceuticals. Using the points shown below, describe each process and compare and explain the advantages and disadvantages of using radiopharmaceuticals as opposed to external irradiation. An example of a specific condition can be used to illustrate the points.  area of treatment required position of tumour ionising range precautions needed after treatment

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There are 2 main ways of treating tumours - external irradiation by radiotherapy and internal radiopharmaceuticals. Using the points shown below, describe each process and compare and explain the advantages and disadvantages of using radiopharmaceuticals as opposed to external irradiation. An example of a specific condition can be used to illustrate the points. 

  • area of treatment required
  • position of tumour
  • ionising range
  • precautions needed after treatment 
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