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Title: Modified radiotherapy technique in the treatment of medulloblastoma

Abstract

Craniospinal irradiation is a standard treatment technique in patients who receive surgery for medulloblastoma. In most centers megavoltage photon irradiation is used, resulting in significant irradiation exposure to critical organs. In order to overcome this difficulty, the authors recently modified the technique applied in their center, by using high energy electrons (20 MeV) for irradiation of the spinal cord. The reliability of this technique was checked by performing dosimetry in a specially constructed wax phantom. Attention was focused upon dose variations at the junction of fields. Furthermore, the influence of vertebrae on the absorbed dose distribution of high energy electrons is presented. This technique seems to be safe and reliable in selected patients (children and teenagers).

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Univ. Hospital, Leuven, Belgium
OSTI Identifier:
6849110
Resource Type:
Journal Article
Journal Name:
Int. J. Radiat. Oncol., Biol. Phys.; (United States)
Additional Journal Information:
Journal Volume: 10:2
Country of Publication:
United States
Language:
English
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; 61 RADIATION PROTECTION AND DOSIMETRY; PHANTOMS; RADIATION DOSE DISTRIBUTIONS; RADIOTHERAPY; IRRADIATION PROCEDURES; ELECTRON DOSIMETRY; ELECTRONS; ISODOSE CURVES; MEV RANGE 10-100; NEOPLASMS; SPINAL CORD; CENTRAL NERVOUS SYSTEM; DISEASES; DOSIMETRY; ELEMENTARY PARTICLES; ENERGY RANGE; FERMIONS; LEPTONS; MEDICINE; MEV RANGE; MOCKUP; NERVOUS SYSTEM; NUCLEAR MEDICINE; RADIOLOGY; STRUCTURAL MODELS; THERAPY; 550603* - Medicine- External Radiation in Therapy- (1980-); 655003 - Medical Physics- Dosimetry

Citation Formats

Dewit, L, Van Dam, J, Rijnders, A, Van De Velde, G, Ang, K K, and Van Der Schueren, E. Modified radiotherapy technique in the treatment of medulloblastoma. United States: N. p., 1984. Web. doi:10.1016/0360-3016(84)90009-9.
Dewit, L, Van Dam, J, Rijnders, A, Van De Velde, G, Ang, K K, & Van Der Schueren, E. Modified radiotherapy technique in the treatment of medulloblastoma. United States. https://doi.org/10.1016/0360-3016(84)90009-9
Dewit, L, Van Dam, J, Rijnders, A, Van De Velde, G, Ang, K K, and Van Der Schueren, E. 1984. "Modified radiotherapy technique in the treatment of medulloblastoma". United States. https://doi.org/10.1016/0360-3016(84)90009-9.
@article{osti_6849110,
title = {Modified radiotherapy technique in the treatment of medulloblastoma},
author = {Dewit, L and Van Dam, J and Rijnders, A and Van De Velde, G and Ang, K K and Van Der Schueren, E},
abstractNote = {Craniospinal irradiation is a standard treatment technique in patients who receive surgery for medulloblastoma. In most centers megavoltage photon irradiation is used, resulting in significant irradiation exposure to critical organs. In order to overcome this difficulty, the authors recently modified the technique applied in their center, by using high energy electrons (20 MeV) for irradiation of the spinal cord. The reliability of this technique was checked by performing dosimetry in a specially constructed wax phantom. Attention was focused upon dose variations at the junction of fields. Furthermore, the influence of vertebrae on the absorbed dose distribution of high energy electrons is presented. This technique seems to be safe and reliable in selected patients (children and teenagers).},
doi = {10.1016/0360-3016(84)90009-9},
url = {https://www.osti.gov/biblio/6849110}, journal = {Int. J. Radiat. Oncol., Biol. Phys.; (United States)},
number = ,
volume = 10:2,
place = {United States},
year = {Wed Feb 01 00:00:00 EST 1984},
month = {Wed Feb 01 00:00:00 EST 1984}
}