The etiology of low-grade gliomas: pathological and clinical considerations about radiation-induced low-grade gliomas

A. D’Elia, M. P. Tropeano, V. Maiola, A. Frati, M. Salvati

Research output: Contribution to journalArticle

Abstract

The only environmental factor undoubtedly linked to an increased risk of brain tumors (including gliomas) is therapeutic X-rays. We aim to conduct a detailed study of radiation-induced low-grade gliomas, in order to better understand the pathogenesis of such gliomas. Furthermore, we want do prove whether or not there are significant differences, according to clinical features and biological behavior, between this type of tumor and general low-grade gliomas. We analyzed the existent literature of low-grade radiation-induced glioma case reports and other epidemiological reports based on the experience of the senior author. We were able to collect 20 cases of such gliomas. Demographic data and previous X-ray details, along with latency intervals of all patients are provided. The amount of radiation able to cause mutations is not necessarily very high, as tumors occur even after low doses of radiation (as 3–5 GY). The incidence of this kind of tumors may be underestimated and may rise in the future. Care must be taken when observing patients who were irradiated more than 10 years before, especially in the recent years in which access to radiosurgical and radiation therapies has increased in the general population for treating many cerebral pathologies. Radiation-induced low-grade gliomas appear to be different from general gliomas only in terms of age in which they occur. In terms of clinical and biological behavior, there seem to be no differences, even though exceptional cases are reported.

Original languageEnglish
Pages (from-to)1091-1095
Number of pages5
JournalNeurological Sciences
Volume36
Issue number7
DOIs
Publication statusPublished - Mar 8 2015

Fingerprint

Glioma
Radiation
X-Rays
Neoplasms
Brain Neoplasms
Radiotherapy
Demography
Pathology
Mutation
Incidence
Population

Keywords

  • Low-grade glioma
  • Neurosurgery
  • Radiation-induced glioma
  • Radiotherapy

ASJC Scopus subject areas

  • Clinical Neurology
  • Psychiatry and Mental health
  • Dermatology

Cite this

The etiology of low-grade gliomas : pathological and clinical considerations about radiation-induced low-grade gliomas. / D’Elia, A.; Tropeano, M. P.; Maiola, V.; Frati, A.; Salvati, M.

In: Neurological Sciences, Vol. 36, No. 7, 08.03.2015, p. 1091-1095.

Research output: Contribution to journalArticle

D’Elia, A. ; Tropeano, M. P. ; Maiola, V. ; Frati, A. ; Salvati, M. / The etiology of low-grade gliomas : pathological and clinical considerations about radiation-induced low-grade gliomas. In: Neurological Sciences. 2015 ; Vol. 36, No. 7. pp. 1091-1095.
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