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Thermo-luminescent dosimeter evaluation of extra-target dose in intensity modulated sequential tomotherapy for pancreatic cancer

Published online by Cambridge University Press:  27 September 2006

C.D. Fuller ,
C.R. Thomas ,
A. Wong ,
L. Voeltz ,
B.J. Salter  and
M. Fuss
C.D. Fuller
Affiliation:
Department of Radiation Oncology, University of Texas Health Science Center, San Antonio, TX, USA Division of Radiological Sciences, University of Texas Health Science Center, San Antonio, TX, USA
C.R. Thomas
Affiliation:
Department of Radiation Medicine, Oregon Health and Science University, Portland, OR, USA
A. Wong
Affiliation:
Department of Radiation Oncology, University of Texas Health Science Center, San Antonio, TX, USA
L. Voeltz
Affiliation:
Department of Radiation Oncology, University of Texas Health Science Center, San Antonio, TX, USA
B.J. Salter
Affiliation:
Department of Radiation Oncology, University of Utah Health Sciences Center, Salt Lake City, UT, USA
M. Fuss
Affiliation:
Department of Radiation Medicine, Oregon Health and Science University, Portland, OR, USA
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Abstract

The proximity of abdominal tumors to non-target organs has motivated exploration of intensity modulated radiation therapy (IMRT), with its demonstrated capability to create conformal dose gradients, in abdominal tumors. However, substantial extra-target dose may be observed to radiosensitive organs remote from the treatment field.

We present dosimetric data from two patients receiving abdominal IMRT using a sequential tomotherapy technique, demonstrating substantial dose to extra-target organs.

Keywords

Intensity modulated radiation therapyextra-target dosepancreatic cancerabdominal radiotherapy
Type
Case Study
Information
Journal of Radiotherapy in Practice , Volume 5 , Issue 3 , September 2006 , pp. 173 - 176
Copyright
2006 Cambridge University Press

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