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New technologies in radiation therapy for pediatric brain tumors: The rationale for proton radiation therapy
Author(s) -
Kirsch David G.,
Tarbell Nancy J.
Publication year - 2004
Publication title -
pediatric blood and cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.116
H-Index - 105
eISSN - 1545-5017
pISSN - 1545-5009
DOI - 10.1002/pbc.10471
Subject(s) - medicine , proton therapy , radiation therapy , proton , radiation , photon , medical physics , nuclear medicine , radiology , physics , nuclear physics , optics
Background Pediatric brain tumors are frequently treated with radiation therapy and often cured. The long‐term side effects of treatment with high‐energy X‐rays (photons) can be substantial. Proton radiation therapy may limit these late effects. Procedure The physical difference between photon and proton irradiation is compared. The clinical benefits of the superior physical properties of proton beam radiation therapy are explained for children with brain tumors. Results At biologically equivalent doses, proton radiation therapy offers tumor control similar to photon radiation therapy. The superior physical properties of proton beams make this mode of radiation therapy less likely to cause late effects. Conclusions For many children with brain tumors, proton beam radiation therapy may limit the late effects of radiation therapy and therefore offer an advantage over techniques using photons. © 2004 Wiley‐Liss, Inc.