RE: Sr-89, Radiotherapy & cord compression.

["Carolan, Martin" <CarolanM@iahs.nsw.gov.au>]

Carol and other responding radsafers,

Thankyou for your replies to my query re Sr89 (and thanks to Chris Alston
for grabbing it from the medphys list and submitting it here for your
consideration). 

I understand Dr Marcus's reasoning and appreciate that where impending SCC
is clinically suspected external beam is definitely the way to go. 

Allow me to make my query a little more focused. 

Can anyone suggest a reason or point me to literature that would give any
radiobiological (or other) basis that could explain how Sr89 (4 mCi) could
provoke a spinal cord compression in a patient with no clinical neurological
symptoms prior to the dose administration.  

Regards

Martin Carolan
Senior Physicist
Wollongong Hospital
Wollongong NSW 2500, AUSTRALIA.   
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