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Questions and Answers
What does the planning target volume (PTV) compensate for?
What does the planning target volume (PTV) compensate for?
- Effects of organ, tumour, and patient movements (correct)
- Subclinical disease
- Inaccuracies in beam and patient set-up
- Anatomy of the patient
What is the purpose of delineating the gross tumour volume (GTV)?
What is the purpose of delineating the gross tumour volume (GTV)?
- To compensate for the effects of organ, tumour, and patient movements
- To specify the margins around the CTV for planning target volume (PTV) definition
- To incorporate the GTV and/or subclinical disease into the clinical target volume (CTV) (correct)
- To define the target volume based on the patient's anatomy
What does the clinical target volume (CTV) include?
What does the clinical target volume (CTV) include?
- Margins added around the CTV
- Gross tumour volume (GTV) and subclinical disease (correct)
- Inaccuracies in beam and patient set-up
- Anatomy of the patient
Which imaging modality is commonly used for patient data acquisition?
Which imaging modality is commonly used for patient data acquisition?
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Apart from CT, which other imaging modality may be employed for data acquisition?
Apart from CT, which other imaging modality may be employed for data acquisition?
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Which nuclear imaging technique may be employed for data acquisition besides MRI and CT?
Which nuclear imaging technique may be employed for data acquisition besides MRI and CT?
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