Wedge Filter Variation on Wedge Factor in Patients Cancer Breast in Sub Installation Radiotherapy RSUP Prof. Dr. I.G.N.G Ngoerah
Ni Putu Divananda Purwaningrum, Ni Nyoman Ratini, Anak Agung Ngurah Gunawan, Ni Kadek Nova Anggarani, I. Gusti Agung Putra Adnyana, I. Gde Antha Kasmawan
Asian Journal of Medicine and Health · pp. 233–240 · Published 22 Aug 2023
10.9734/ajmah/2023/v21i10898Abstract
The aim of the study was to determine the effect of irradiation time, the percentage of the maximum dose, the distribution of doses at the center point, and the wedge factor on wedge filter variations. The research method uses a wedge filter to measure irradiation time, maximum dose percentage, dose distribution at the center point, and the wedge factor. Wedge value factor without wedge, wedge 15 , wedge 30, wedge 45and wedge 60of 1.000, 1.0059, 1.0102, 1.0137, and 1.0092 respectively. The results of the maximum dose percentage values without wedge, wedge 15 , wedge 30 , wedge 45and wedge 60were 106.76%, 106.80%, 106.79%, 106.85%, and 106.81%, respectively. Conclusion is the value of the wedge factor does not comply with the ICRU standard but the percentage of the maximum dose is in accordance with the International Commisson on Radiation Units (ICRU) standard, there is a wedge effect factor, and irradiation time on the variation of the wedge filter, but there is no effect of the maximum dose percentage and distribution at the center point on the variation of the wedge filter.
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