CLINICAL CASE
Proton therapy for re-irradiation of pediatric diffuse brain stem tumors
1 Federal Research and Clinical Center for Medical Radiology and Oncology of FMBA, Dimitrovgrad, Russia
2 Voyno-Yasenetsky Research and Practical Center of Specialized Medical Care for Children, Moscow, Russia
3 Russian Scientific Center for Roentgenoradiology, Moscow, Russia
4 Dimitrovgrad Institute of Engineering and Technology of the National Research Nuclear University MEPhI, Dimitrovgrad, Russia
Correspondence should be addressed: Elena L. Slobina
Kurchatova, 5V, Dimitrovgrad, 433507, Russia; ur.liamrmcvf@anibols
Funding: the article is part of the research project on Creating and maintaining a database of patients undergoing proton therapy for cancer for FMBA, Russia and was conducted under the State Assignment 388-00141-21-00 dated December 24, 2020.
Author contribution: Udalov YuD initiated the publication; Slobina EL delivered medical care and photon irradiation at the first stage of treatment and was responsible for writing the manuscript; Danilova LA chairman of the medical council that proposed treatment strategy; Zheludkova OG pediatric oncologist, that proposed treatment strategy and supervised all stages of treatment; Kiselev VA calculated total radiation doses and their temporal and spatial distribution at all treatment stages; Nezvetsky AV delivered medical care and proton irradiation at the second stage of treatment; Demidova AM planned proton therapy; Ivanov AV responsible for the anesthetic support of the patient's radiation therapy sessions; Dykina AV planned photon therapy.
Currently, there is no cure for pediatric diffuse brain stem (BS) tumors. Radiotherapy, including proton therapy, is an important component of combination treatment for this cancer, especially in children with a complicated medical history. The article addresses the issues of therapy for pediatric BS tumors and reports the use of proton re-irradiation in a 9-year-old boy with unverified diffuse BS tumor. Proton re-irradiation is an effective treatment option that can sustain and improve the quality of life and prolong survival in children with diffuse BS tumors.
Keywords: diffuse brainstem tumor, re-irradiation, proton therapy