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What is For which malignancy, intensity Modulated Radiotherapy (IMRT) is the most suitable - and explain in detail?
Ans. is 'b' i.e., Prostate Currently Intensity modulated radiotherapy is being used to treat cancers of:ProstateHead & NeckBreastThyroidLungGynecologic cancersLiverBrainLymphomasSarcomasIntensity modulated radiation therapy (IMRT) is an advanced mode of high precision radiotherapy that utilizes computer controlled X-ray accelerators to deliver precise radiation doses to a malignant tumour or specific areas within the tumour:The radiation dose is designed to conform to the three dimensional (3-D) shape of the tumour by modulating or controlling the intensity of the radiation beam to focus a higher radiation dose to the tumour while minimizing exposure to surrounding tissues.Note: IMRT can be used to treat lung cancers, but there are several technical reasons to delay the widespread use of IMRT for lung Ca at this time.