O'Connor DJ - Search Results

1

Gantry angle determination during arc IMRT: evaluation of a simple EPID-based technique and two commercial inclinometers.

Rowshanfarzad P, Sabet M, O'Connor DJ, McCowan PM, McCurdy BM, Greer PB. Rowshanfarzad P, et al. J Appl Clin Med Phys. 2012 Nov 8;13(6):3981. doi: 10.1120/jacmp.v13i6.3981. J Appl Clin Med Phys. 2012. PMID: 23149790 Free PMC article.

2

Measurement and modeling of the effect of support arm backscatter on dosimetry with a varian EPID.

Rowshanfarzad P, McCurdy BM, Sabet M, Lee C, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Med Phys. 2010 May;37(5):2269-78. doi: 10.1118/1.3369445. Med Phys. 2010. PMID: 20527561

3

Reduction of the effect of non-uniform backscatter from an E-type support arm of a Varian a-Si EPID used for dosimetry.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Phys Med Biol. 2010 Nov 21;55(22):6617-32. doi: 10.1088/0031-9155/55/22/003. Epub 2010 Oct 20. Phys Med Biol. 2010. PMID: 20962364

4

Verification of the linac isocenter for stereotactic radiosurgery using cine-EPID imaging and arc delivery.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Med Phys. 2011 Jul;38(7):3963-70. doi: 10.1118/1.3597836. Med Phys. 2011. PMID: 21858993

5

Improvement of Varian a-Si EPID dosimetry measurements using a lead-shielded support-arm.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Med Dosim. 2012 Summer;37(2):145-51. doi: 10.1016/j.meddos.2011.06.003. Epub 2011 Sep 16. Med Dosim. 2012. PMID: 21925865

6

Isocenter verification for linac-based stereotactic radiation therapy: review of principles and techniques.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. J Appl Clin Med Phys. 2011 Nov 15;12(4):3645. doi: 10.1120/jacmp.v12i4.3645. J Appl Clin Med Phys. 2011. PMID: 22089022 Free PMC article. Review.

7

Detection and correction for EPID and gantry sag during arc delivery using cine EPID imaging.

Rowshanfarzad P, Sabet M, O'Connor DJ, McCowan PM, McCurdy BM, Greer PB. Rowshanfarzad P, et al. Med Phys. 2012 Feb;39(2):623-35. doi: 10.1118/1.3673958. Med Phys. 2012. PMID: 22320771

8

Investigation of the sag in linac secondary collimator and MLC carriage during arc deliveries.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Phys Med Biol. 2012 Jun 21;57(12):N209-24. doi: 10.1088/0031-9155/57/12/N209. Epub 2012 May 30. Phys Med Biol. 2012. PMID: 22643340

9

EPID-based verification of the MLC performance for dynamic IMRT and VMAT.

Rowshanfarzad P, Sabet M, Barnes MP, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. Med Phys. 2012 Oct;39(10):6192-207. doi: 10.1118/1.4752207. Med Phys. 2012. PMID: 23039657

10

Impact of backscattered radiation from the bunker structure on EPID dosimetry.

Rowshanfarzad P, Sabet M, O'Connor DJ, Greer PB. Rowshanfarzad P, et al. J Appl Clin Med Phys. 2012 Nov 8;13(6):4024. doi: 10.1120/jacmp.v13i6.4024. J Appl Clin Med Phys. 2012. PMID: 23149798 Free PMC article.

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