<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>A 3D-CRT involving a 4-field (5-field, 6-field, etc.) technique (photon and electron beams) and an alternative IMRT 7-field technique with 6 MV photon fields for thyroid cancer were compared. The IMRT allows reduction in the dose to the spinal cord of about 12 Gy and permits better coverage of the target volume with smaller standard deviation (average 4.65% for 3D-CRT as compared with 1.81% for IMRT). The time needed to prepare therapy (TPS, dosimetry, preparing boluses and electron aperture) and the session time are about the same for both techniques.</p></abstract>

A 3D-CRT involving a 4-field (5-field, 6-field, etc.) technique (photon and electron beams) and an alternative IMRT 7-field technique with 6 MV photon fields for thyroid cancer were compared. The IMRT allows reduction in the dose to the spinal cord of about 12 Gy and permits better coverage of the target volume with smaller standard deviation (average 4.65% for 3D-CRT as compared with 1.81% for IMRT). The time needed to prepare therapy (TPS, dosimetry, preparing boluses and electron aperture) and the session time are about the same for both techniques.

IMRT versus 3D-CRT for thyroid cancer

Department of Medical Physics, Maria Sklodowska-Curie Memorial Cancer Centre and Institute of Oncology, Roentgena 5, 02-781 Warsaw, Poland

Polish Journal of Medical Physics and Engineering

{"article-title":"IMRT versus 3D-CRT for thyroid cancer"}

A 3D-CRT involving a 4-field (5-field, 6-field, etc.) technique (photon and electron beams) and an alternative IMRT 7-field technique with 6 MV photon fields...

IMRT versus 3D-CRT for thyroid cancer

Published Online: Apr 14, 2009

Page range: 151 - 162

DOI: https://doi.org/10.2478/v10013-008-0013-1

Keywords
thyroid, IMRT, 3D-CRT, Target Conformity Index, comparison of treatment plans

This content is open access.

IMRT versus 3D-CRT for thyroid cancer

Published Online: Apr 14, 2009

Page range: 151 - 162

DOI: https://doi.org/10.2478/v10013-008-0013-1

Keywordsthyroid, IMRT, 3D-CRT, Target Conformity Index, comparison of treatment plans

This content is open access.

Keywords
thyroid, IMRT, 3D-CRT, Target Conformity Index, comparison of treatment plans