Steriotactic radiation after WBR

This topic contains 2 replies, has 3 voices, and was last updated by  Dr Loiselle 5 years, 12 months ago.

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May 27, 2012 at 7:34 am  #2246    


My mom just had 14 wbr treatments that just ended 2 weeks ago and has brain swelling with a lot of confusion. Her radiation oncologist wants to do steriotactic radiation in 3 weeks. This seems strange to us since we know radiation can keep working for weeks and you don;t know the full effects for up to a few months. It seems way to aggressive for my mom who has stage 4 lung cancer with mets to her hip, adrenal gland and brain. I want her to have quality of life and am feeling like this does not make sense. Please share your thoughts.

Thanks you for your time

May 27, 2012 at 2:23 pm  #2249    
Dr West
Dr West

It’s not unusual to recommend stereotactic radiosurgery (SRS) after whole brain radiation (WBR) if there are one or a few areas progressing. Options are certainly limited in that setting, and SRS is a leading option. However, it’s not especially common to do WBR with a plan to go straight to SRS without even seeing the outcome of the WBR. And yes, it takes weeks to even a few months to really be able to assess the results of WBR.

-Dr. West

May 27, 2012 at 11:22 pm  #2253    

Dr Loiselle

I would repeat the MRI 4 to 6 weeks out from whole brain radiation (sooner or later depends on symptoms and how disease is controlled otherwise). If there are areas of progressive or non-responsive disease within the brain, I would treat them with SRS.

However, if the response to whole brain radiation is good, SRS may not be necessary at all… in this case I would continue to observe…

Hope that helps.

-Dr. Loiselle

Chris Loiselle, MD
Radiation Oncologist
Swedish Cancer Institute

Views expressed here represent my opinion, not those of GRACE or Swedish Cancer Institute. This information does not constitute medical advice and is intended to supplement and not replace medical information provided by your doctor.

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