3D IMRT QA analysis.
Sean Gillespie
Dear List,
With regard to IMRT QA, I wonder if anyone is currently conducting 3D analysis on 2D detector (matrix) information?
Does anyone know if it is possible to import measured 2D fluence maps back into Pinnacle which in turn may be used to re-compute DVH info?
Any suggestions/ replies on or off the list would be most welcome.
Best regards
Sean
Sean Gillespie
Physicist
Medical Physics Department
Galway Clinic
Doughiska
Galway
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Robert Matthews
I use DosimetryCheck and gather 2D information from the PV imager to back project through the patient's CT data set for comparison to the Pinnacle plan. I also use the Matrixx. I believe the Matrixx is too course of a measurement to be used in this regard (at least my Matrixx has ion chambers on 7.5 mm centers), so if this were possible, it seems the PV would be better to determine the machine ODM. This seems a logical progressive direction for Pinnacle to go, but I have doubts that Pinnacle could pull it off as they do not seem to be attuned to possible future technical advances.
Bob
Robert J. Matthews, Ph.D., DABR
Medical Physicist
Kootenai Medical Center
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e-mail in error, please immediately notify us by email at it.he...@galwaylinic.comand delete the e-mail from your
system. Whilst we take reasonable precautions to ensure that data generated
by us has been swept for viruses, it is the responsibility of the recipient to
ensure that the onward transmission, opening or use of this message and any
attachments will not adversely affect its systems or data. Galway Clinic makes
no guarantee and accepts no responsibility in this regard. Any views or opinions
presented are solely those of the author and do not necessarily represent those
of Galway Clinic. Messages to or from Galway Clinic may be monitored
to ensure compliance with the company's policies and standards and to protect
our business.
Galway Clinic Doughiska Limited.
Registered office: c/o Joe O'Donovan, Galway Clinic, Doughiska, Galway. Registration no. 369921.
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