A practical technique to avoid the hippocampus in prophylactic cranial irradiation for lung cancer

Radiother Oncol. 2012 Feb;102(2):225-7. doi: 10.1016/j.radonc.2011.09.023. Epub 2011 Dec 20.

Abstract

A practical technique is presented to deliver hippocampus avoiding prophylactic cranial irradiation for lung cancer patients, using two lateral fields. For a prescribed dose of 12×2.5 Gy, sparing of the hippocampi to 6.1 Gy was achieved with a V95% of the brain of 81.7%.

MeSH terms

  • Brain Neoplasms / prevention & control*
  • Brain Neoplasms / secondary
  • Cranial Irradiation / methods*
  • Dose Fractionation, Radiation
  • Female
  • Hippocampus / radiation effects*
  • Humans
  • Lung Neoplasms / pathology*
  • Magnetic Resonance Imaging
  • Male
  • Neoplasm Staging
  • Organs at Risk
  • Radiotherapy Dosage
  • Radiotherapy Planning, Computer-Assisted / methods*
  • Tomography, X-Ray Computed