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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
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Treatment of Liver Metastases Using an Internal Target Volume Method for Stereotactic Body Radiotherapy
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[Good practice of image-guided radiotherapy].

R de Crevoisier1, G Créhange2, J Castelli1

  • 1Département de radiothérapie, centre Eugène-Marquis, avenue de la Bataille-Flandres-Dunkerque, 35000 Rennes, France; LTSI, université de Rennes 1, campus de Beaulieu, 35000 Rennes, France; Inserm U1099, campus de Beaulieu, 35000 Rennes, France.

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique
|September 8, 2015
PubMed
Summary

Image-guided radiotherapy (IGRT) accounts for anatomical changes during treatment. It involves visualizing the tumor and adjusting the treatment table or employing adaptive strategies for complex variations.

Keywords:
Adaptive radiotherapyImage guided radiotherapyRadiothérapie adaptativeRadiothérapie guidée par l’image

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Area of Science:

  • Radiation oncology
  • Medical imaging
  • Radiotherapy physics

Context:

  • Anatomical variations during radiotherapy necessitate adjustments for accurate tumor targeting.
  • Standard image-guided radiotherapy (IGRT) corrects setup errors via table movement.
  • Adaptive radiotherapy strategies address more complex target and organ deformations.

Purpose:

  • To review current and emerging image-guided radiotherapy (IGRT) modalities.
  • To discuss IGRT approaches for various tumor sites.
  • To highlight the importance of planning target volume selection in the context of anatomical variations.

Summary:

  • IGRT utilizes visualization to manage anatomical changes during radiotherapy.
  • Simple IGRT corrects patient setup errors; adaptive IGRT handles complex deformations.
  • Effective IGRT requires careful planning target volume selection based on expected variations.

Impact:

  • Enhances precision in radiation delivery by accounting for patient anatomy changes.
  • Provides a framework for understanding different IGRT techniques.
  • Informs clinical practice and future research in image-guided cancer treatment.