Radiotherapy & Oncology
Volume 90, Issue 1 , Pages 106-109, January 2009

Use of skin markers and electronic portal imaging to improve verification of tangential breast irradiation

  • Anke van der Salm

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • ,
  • Jennifer Strijbos

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • ,
  • Colette Dijcks

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • ,
  • Lars Murrer

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • Department of Radiation Oncology (Maastro Clinic), GROW, University Hospital Maastricht, The Netherlands
    • ,
  • Jacques Borger

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • Department of Radiation Oncology (Maastro Clinic), GROW, University Hospital Maastricht, The Netherlands
    • ,
  • Liesbeth Boersma

      Affiliations

    • Maastro Clinic, Maastricht, The Netherlands
    • Department of Radiation Oncology (Maastro Clinic), GROW, University Hospital Maastricht, The Netherlands
    • Corresponding Author InformationCorresponding author. Maastro Clinic, Postbus 5800, 6202 AZ Maastricht, The Netherlands.

Received 11 April 2008; accepted 3 May 2008. published online 16 June 2008.

Abstract 

We investigated the added value of skin markers in 566 electronic portal images (EPIs) in 48 breast cancer patients treated with tangential fields. EPIs were matched to the corresponding DRRs using skin markers, anatomy, or a combination of both. Skin markers improved determination of setup errors in cranio-caudal direction.

Keywords: Portal imaging, Breast cancer, Skin markers, Treatment verification

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PII: S0167-8140(08)00259-4

doi:10.1016/j.radonc.2008.05.014

Radiotherapy & Oncology
Volume 90, Issue 1 , Pages 106-109, January 2009

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