Re: Iodine in breast milk.

["Kimberly M. Knight" <kknight@post.its.mcw.edu>]

Hi,  Short note to let you know that I'm interested in any info you have 
on radioidkine therapy,  subject: breast milk.

					Thank you, Kimberly Knight


e-mail -   kknight@post.its.mcw.edu


On Fri, 14 Jul 1995 don@radpro.uchicago.edu wrote:

> Date: Fri, 14 Jul 95 09:39:48 -0500
> From: don@radpro.uchicago.edu
> To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
> Subject: Iodine in breast milk.
> 
> 
> The following message was posted to the MEDPHYS listserver.  In view of the 
> recent discussion of radioiodine therapy, I thought there might be some interest
> Please communicate directly with the original author.
> 
> Forwarded message follows:
> __________________________________________
> Content-transfer-encoding: 7BIT
> Message-ID:  <300664E5.3226.15EA.000@WPO.ORAU.GOV>
> Date:         Fri, 14 Jul 1995 08:16:00 -0500
> Reply-To:     Medical Physics Network <MEDPHYS@cms.cc.wayne.edu>
> Sender:       Medical Physics Network <MEDPHYS@cms.cc.wayne.edu>
> From:         Stubbs T <STUBBSJ@orau.gov>
> Subject:      Re: iodine in breast milk
> Comments: To: joel_gray@MSGW.MAYO.EDU, THOMASE@ORAU.GOV, BROCKJL@ORAU.GOV
> To:           Multiple recipients of list MEDPHYS <MEDPHYS@cms.cc.wayne.edu>
> Status: R
> 
> Re: iodine in breast milk
> 
> We have done a lot of literature review and radiation dosimetry for radioactive
> iodine delivered to breast feeding
> infants after the mother received either a diagnostic or therapy doseage of NaI
> (using I-123 or I-131).  In general,
> the breast milk excretion fraction of that iodine can reach as high as 33% of th
> e orally administered dose of NaI.
> 
> The thyroid uptake of iodine is highly variable and a strong function of age.  A
> t birth it is virtually 100%, dropping
> rapidly to adult-type levels (15-25%) within weeks or months.  We have several p
> ublications and references for
> these data, if you are interested.
> 
> I understand that contrast media is not radioactive, and perhaps not in the ioni
> c form (NaI), but we have seen that
> most iodinated compounds shed iodine to some extent after injection.
> 
> If there is any interest in our literature database on iodine in breast milk, pl
> ease email me directly.
> 
> James B. Stubbs, Ph.D
> Radiation Internal Dose Information Center
> stubbsj@orau.gov
> 615-576-9619
> 
>