Ghazy, S., A, A., Ramadan, H., Hammoury, S., Khedr, Y., Kotb, M. (2018). Comparison between the Effect of using Similar Wedges and Opposed Wedges in Brain Tumor Cases. test, 9(9th International Conference on Chemical & Environmental Engineering), 97-112. doi: 10.21608/iccee.2018.34651
Shaimaa G. Ghazy; Amr Abdelaziz A; Heba S Ramadan; Sabbah I. Hammoury; Yasser I. Khedr; Metwally A. Kotb. "Comparison between the Effect of using Similar Wedges and Opposed Wedges in Brain Tumor Cases". test, 9, 9th International Conference on Chemical & Environmental Engineering, 2018, 97-112. doi: 10.21608/iccee.2018.34651
Ghazy, S., A, A., Ramadan, H., Hammoury, S., Khedr, Y., Kotb, M. (2018). 'Comparison between the Effect of using Similar Wedges and Opposed Wedges in Brain Tumor Cases', test, 9(9th International Conference on Chemical & Environmental Engineering), pp. 97-112. doi: 10.21608/iccee.2018.34651
Ghazy, S., A, A., Ramadan, H., Hammoury, S., Khedr, Y., Kotb, M. Comparison between the Effect of using Similar Wedges and Opposed Wedges in Brain Tumor Cases. test, 2018; 9(9th International Conference on Chemical & Environmental Engineering): 97-112. doi: 10.21608/iccee.2018.34651

Comparison between the Effect of using Similar Wedges and Opposed Wedges in Brain Tumor Cases

The International Conference on Chemical and Environmental Engineering
Article 6, Volume 9, 9th International Conference on Chemical & Environmental Engineering, April 2018, Pages 97-112    PDF (1.12 M)
Document Type: Original Article
DOI: 10.21608/iccee.2018.34651
Authors
Shaimaa G. Ghazy1; Amr Abdelaziz A2; Heba S Ramadan3; Sabbah I. Hammoury4; Yasser I. Khedr5; Metwally A. Kotb3
1Radiation Therapy Depart. , Armed Forces Hospital, Alexandria.
2Oncology Depart. , Faculty of Medicine, Alexandria University.
3Medical Biophysics Depart. , Medical Research Institute, Alexandria University.
4Radiation Therapy Depart. , Ayaddi Al Mustakbal Hospital, Alexandria.
5Physics Depart. , Faculty of Science, Damanhour University.
Abstract
Abstract
Introduction: Radiotherapy still the most facilitated modality for treatment malignant brain tumors with or without chemotherapy and after surgery or when surgery is impossible. Purpose: Comparison between the effects of three planning techniques with similar, opposed and non-wedges in brain tumor cases. Methods: Twenty patients with brain tumors (Glioblastoma Multiform) of both sexes were enrolled in the study. A LINAC with 6MV photon beam was used to deliver the prescribed dose. The whole brain technique was applied to each patient and the planning was constructed with non-wedges, similar wedges and opposed wedges within 95% to 107% of the prescribed dose as recommended by the RTOG. The considered organs at risk were; Right and Left (eyes, lenses, and optic nerves), optic chiasma and the brain- stem. Results: The results showed significant difference (at the level P<0.05), between the three planning based on the conformity, homogeneity indexes, global max, and the doses received by the OARs. The results were discussed.
Keywords
Radiotherapy; Brain tumor; Linac; Wedges; Conformity Index; Homogeneity Index
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