Brainstem metastases treated with Gamma Knife stereotactic radiosurgery: the Indiana University Health experience

Ajay Patel, Homan Mohammadi, Tuo Dong, Kevin Ren Yeh Shiue, Douglas Frye, Yi Le, Shaheryar Ansari, Gordon A. Watson, James C. Miller, Tim Lautenschlaeger

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Brainstem metastases offer a unique challenge in cancer treatment, yet stereotactic radiosurgery (SRS) has proven to be an effective modality in treating these tumors. This report discusses the clinical outcomes of patients with brainstem metastases treated at Indiana University with Gamma Knife (GK) radiosurgery from 2008 to 2016. 19 brainstem metastases from 14 patients who had follow-up brain imaging were identified. Median tumor volume was 0.04 cc (range: 0.01-2.0 cc). Median prescribed dose was 17.5 Gy to the 50% isodose line (range: 14-22 Gy). Median survival after GK SRS treatment to brainstem lesion was 17.2 months (range: 2.8-45.6 months). The experience at Indiana University confirms the safety and efficacy of range of GK SRS prescription doses (14-22 Gy) to brainstem metastases.

Original languageEnglish (US)
Pages (from-to)15-23
Number of pages9
JournalCNS oncology
Volume7
Issue number1
DOIs
StatePublished - Jan 1 2018

Keywords

  • Gamma Knife
  • brainstem
  • metastasis
  • radiosurgery

ASJC Scopus subject areas

  • Medicine(all)

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    Patel, A., Mohammadi, H., Dong, T., Shiue, K. R. Y., Frye, D., Le, Y., Ansari, S., Watson, G. A., Miller, J. C., & Lautenschlaeger, T. (2018). Brainstem metastases treated with Gamma Knife stereotactic radiosurgery: the Indiana University Health experience. CNS oncology, 7(1), 15-23. https://doi.org/10.2217/cns-2017-0029