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Task Group No. 199 - Implanted Target surrogates for radiation treatment verification
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1. Review different types of applications of target surrogates in radiation therapy, including gold markers, carbon markers, surgical clips, long-lasting contrast agents, and localization coils. Issues related patient complication, marker migration, dropping, deformation, and different radiographic properties of different types of markers with kV and MV imaging will be addressed.Minimum numbers of fiducials and consequences of insufficient numbers of fiducials will be discussed. The timing between the implantation and planning imaging acquisition will also be addressed to minimize the systematic setup error associated with trauma induced distortion. Recommendations will be provided for physics to assess the quality of marker placement. Guidelines will be proposed for specific treatment sites, such as prostate, lung, live, pancreas, and breast.

Bylaws:Not Referenced.Rules: Not Referenced.
Approved Date(s)Start: 3/15/2010
End: 12/31/2015
Committee Keywords: TG199
Chairs

Zhiheng Wang
Task Group Chair

Fang-Fang Yin
Task Group Co-Chair


Members - 2014 Roster

(dates shown below are beginning date of position) View 2015 Roster

There are 10 members and guests.
=complete and up-to-date, =complete, out-of-date, =incomplete conflict of interest statement.
James M. Balter, PhD

up-to-date
3/15/2010  Member -
Nishita Kothary

out-of-date
3/15/2010  Member - (nonvoting)
Jon J. Kruse, PhD

out-of-date
3/15/2010  Member -
SungYong Park, PhD

out-of-date
3/15/2010  Member -
Katsuto Shinohara

out-of-date
3/15/2010  Member - (nonvoting)
Hiroki Shirato

out-of-date
3/15/2010  Member - (nonvoting)
Momen Wahidi

no coi on file
11/2/2010  Member - (nonvoting)
Zhiheng Wang, PhD

out-of-date
3/15/2010  Task Group Chair -
Twyla R. Willoughby, MS

out-of-date
3/15/2010  Member -
Fang-Fang Yin, PhD

up-to-date
3/15/2010  Task Group Co-Chair -

Staff Assigned to Committee - 2014 Roster

(dates shown below are beginning date of position)
No Current Members