15.3: Image Guided Radiotherapy (IGRT)

IGRT refers to techniques used to image and target the tumour (or surrogate) immediately prior to delivery of radiotherapy. This is increasingly used in many treatment scenarios to improve accuracy of treatment.

Topics

IGRT in Lung Cancer

Covers respiratory gating and 4D CT.

IGRT in Prostate Cancer

Covers fiducial markers.

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Links

• 15: Applied External Photon Beam Radiotherapy
  • 15.1 - Intensity Modulated Radiation Therapy (IMRT)
  • 15.2: Volumetric Modulated Arc Therapy
  • 15.3: Image Guided Radiotherapy (IGRT)
  • 15.5 - Applied Stereotactic Treatment