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Task Group No. 178 - Gamma Stereotactic Radiosurgery Dosimetry and Quality Assurance (TG178)

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  1. Review calibration phantoms versus in-air calibration for GSR devices
  2. Suggest a protocol for calibration with ionization chambers calibrated appropriately at an Accredited Dosimetry Calibration Laboratory that can be successfully utilized with all GSR devices
  3. Update Quality Assurance protocols for all static GSR devices
Bylaws:Not Referenced.Rules: Not Referenced.
Approved Date(s)8/28/2008 - 12/31/2021
Committee Keywords: TG178

Board of Directors
Science Council  [Status]
Therapy Physics Cmte  [Status]
Quality Assurance and Outcome Improvement SC  [Status]
Working Group on External Beam Quality Assurance  [Status]
TG178 - Gamma Stereotactic Radiosurgery Dosimetry and Quality Assurance  [Status]
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Steven Goetsch
Task Group Chair

2021 Roster

(dates shown below are start and end dates of position.)

=complete and up-to-date, =incomplete conflict of interest statement.
VOTING AppointmentsThere are 10 voting members.

up-to-datePaola E. Alvarez, MS

8/28/2008 - 12/31/2021 Member

up-to-dateJ. Daniel Bourland, PhD

8/28/2008 - 12/31/2021 Member

up-to-dateLarry A. DeWerd, PhD

9/30/2008 - 12/31/2021 Member

up-to-dateRobert E. Drzymala, PhD

8/28/2008 - 12/31/2021 Member

up-to-dateSteven J. Goetsch, PhD

8/28/2008 - 12/31/2021 Task Group Chair

up-to-dateLijun Ma, PhD

8/28/2008 - 12/31/2021 Member

up-to-dateGennady Neyman, PhD

8/28/2008 - 12/31/2021 Member

up-to-datePaula L. Petti, PhD

2/10/2020 - 12/31/2021 Task Group Vice Chair

up-to-dateMark J. Rivard, PhD

2/10/2020 - 12/31/2021 Task Group Vice Chair

up-to-dateAlmon S. Shiu, PhD

11/10/2009 - 12/31/2021 Member
NON-VOTING AppointmentsThere are 2 non-voting members and guests.

up-to-dateJonas Johansson

8/12/2009 - 12/31/2021 Liaison - Elekta (nonvoting)

up-to-dateKeith A. Kunugi

8/8/2010 - 12/31/2021 Liaison (nonvoting)
HQ Team Appointed to CommitteeThere are 0 staff.

See connections to TG178 - Gamma Stereotactic Radiosurgery Dosimetry and Quality Assurance