[ RadSafe ] CT scans dangerous?

[garyi at trinityphysics.com]

20 rem?  HOLY COW!!!!
What CT scanner gave 20 rem acute dose?

-Gary Isenhower

On 4 Nov 2007 at 20:02, ROY HERREN wrote:

Date sent:      	Sun, 4 Nov 2007 20:02:21 -0800 (PST)
From:           	ROY HERREN <royherren2005 at yahoo.com>
Subject:        	RE: [ RadSafe ] CT scans dangerous?
To:             	"Brunkow, Ward" <ward.brunkow at wipp.ws>,
	Steven Dapra <sjd at swcp.com>, radsafe at radlab.nl

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Does anyone have a ballpark estimate for the individual and combined
exposures from a whole body SPECT/CT from a new 16 slice CT scanner,
or a whole body PET/CT from a new 16 slice CT scanner?

  Roy Herren

"Brunkow, Ward" <ward.brunkow at wipp.ws> wrote: 

Good issue to bring up. I think the answer is as it has been for
decades:
>ALARA principal is not observed well within the medical community
>Dr.s aren't trained well in radiation safety and therefore prescribe
diagnostic use freely
>I think the older CT scanners were giving 12 -20 Rem acute exposure
>at
times, especially upper and lower GI
>Not enough consideration given to rapidly dividing cells, young
>people $$$$$$$$$$$$$$$$$$$$$$$$$$$, money driven yet, not ethical to
>give
someone this exposure if there isn't significant benefit, especially
younger person, but have to keep those bucks coming in >Too much "cook
book" diagnosis in medical community yet, diagnostic (therapeutic for
that matter also) radiation exposure used too freely. The Prescribe
and move on to the next one.... premise....



W. G. (Ward) Brunkow
DOE Contractor (former Medical School RSO)




----Original Message-----
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Steven Dapra Sent: Monday, October 29, 2007 7:42 PM To:
radsafe at radlab.nl Subject: [ RadSafe ] CT scans dangerous?

Oct. 29, 2007

This article from the South Florida Sun-Sentinel of Oct. 14 was
published 
in today's Albuquerque Journal.

The link 
is: 
http://gr.acr.org/acr?action=viewNewsArticle&documentId=2c9e4f69159c07
6a 01159e51df09009d. This is the website of the American College of
Radiology. (The article didn't seem to be available on the SFS-S
website.)

According to the article, the ECRI Institute "an independent
research 
group, estimates that CT scans cause 6,000 cases of cancer per year,
half of them fatal, making them more of a risk than wrong-site
surgeries."

The ECRI's URL is . It
was 
founded in 1968 as the Emergency Care Research Institute. A summary of
its history will be found here: .

Any comments on the article about CT scans?

Steven Dapra
sjd at swcp.com


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Regards,
Gary Isenhower, M.S.
713-690-3020