Measurements of dose from secondary radiation outside a treatment field: effects of wedges and blocks

S Sherazi, KR Kase - International Journal of Radiation Oncology* Biology …, 1985 - Elsevier
… the field compared with the dose when no wedge is used. Adding blocks to a treatment field
… dose at points outside the field, but the effect is much smaller than the effect of a wedge, and …

Can field-in-field technique replace wedge filter in radiotherapy treatment planning: a comparative analysis in various treatment sites

R Prabhakar, PK Julka, GK Rath - Australasian Physics & Engineering …, 2008 - Springer
field-in-field (FIF) technique can be used to replace wedge filter in radiation treatment
In radiotherapy treatment planning, special filters or absorbing blocks are placed in the path …

Dosimetric characteristics of wedges mounted beyond the blocking tray

TG Ochran, AL Boyer, CE Nyerick, VA Otte - Medical physics, 1992 - Wiley Online Library
… same field size than the lead wedges (compare 30" and 45" surface doses in Table II). For
treatment techniques requiring a high surface dose (eg, tangential breast fields) the wedge-…

Multiple machine implementation of enhanced dynamic wedge

EE Klein, R Gerber, XR Zhu, FO CMD… - International Journal of …, 1998 - Elsevier
… common wedge factor (WF) table and one set of treatment-… when Cerrobend blocking was
required and a physical wedge with … Also, the wedge factor (WF) dependence on field size was …

Dose to the contralateral breast: a comparison of two techniques using the enhanced dynamic wedge versus a standard wedge

WB Warlick, HO James, L Earley, JH Moeller… - Medical …, 1997 - Elsevier
wedge is a means of remote wedging created by independently moving one collimator jaw
through the treatment fieldwedge versus the standard wedge with the half beam block using …

Evaluating the dose to the contralateral breast when using a dynamic wedge versus a regular wedge

CD Weides, EC Mok, WC Chang, DO Findley… - Medical …, 1995 - Elsevier
blocks, the orientation of the field, and wedges. Reports have shown that the use of regular
wedges, particularly for the medial tangential field, … dose outside the treatment field in a tissue …

Using different sets of wedges: Clinical applications, dosimetry and safety interlocks

S DeSanti, R Muller-Runkel - Medical Dosimetry, 1989 - Elsevier
treatment conditions it is advisable to use the smaller wedges for small treatment fields, …
easier to handle and their smaller volume will rarely interfere with any field shaping blocks. …

Calculating dose distributions and wedge factors for photon treatment fields with dynamic wedges based on a convolution/superposition method

HH Liu, EC McCullough, TR Mackie - Medical Physics, 1998 - Wiley Online Library
… dose distributions and wedge factors in photon treatment fields generated by dynamic wedges.
This … In conventional radiation therapy, beam modifiers, including blocks, wedges, and …

Comparison of contralateral breast dose for various tangential field techniques in clinical radiotherapy

R Prabhakar, PK Julka, M Malik… - … & treatment, 2007 - journals.sagepub.com
… include blocks, orientation of the fields and wedges, and the technique used for treatment. …
Our results, indicate that the use of tangential wedge fields increase the dose the CLB for all …

A modified three-field technique for breast treatment

GK Svensson, BE Bjärngard, MB Levene - International Journal of …, 1980 - Elsevier
… The tangential fields are provided with appropriate wedges to produce a fairly uniform dose
… shielding blocks. However, such an approach makes it difficult to ensure that the opposing …