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Looking for other Radiation Therapy research opinions and data
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01/20/2010 11:05
wach 

Administrator

01/20/2010 11:05
wach 

Administrator

Re: Looking for other Radiation Therapy research opinions and data

To LubaM:
30 Gy is not a hard limit, it is the general recommendation and it only applys to the SAME area. If you radiate other areas of the same hand or the other hand you can expose those to additional 30 Gy.

Wolfgang

Quote:



...
At follow up visit, Dr. T. said it was safe to repeat the RT on the one remaining nodule with an additional dose of 20 Gys.

Would there be, in your opinion, a big difference between a total of 30 or 40 Gys ?? I will be going in March to LaJolla to do RT on the OTHER hand, at which time I will decide for sure about repeating the RT on this remaining nodule. I can also discuss with Dr. T. the possibility to lower the dosage.


01/21/2010 06:33
LubaM. 
01/21/2010 06:33
LubaM. 
Re: Looking for other Radiation Therapy research opinions and data

Thanks Wolfgang...I will discuss these numbers with Dr. T. at Scripps, in March...

Luba M.

01/25/2010 17:08
AP_in_DC 
01/25/2010 17:08
AP_in_DC 
Re: Looking for other Radiation Therapy research opinions and data

An earlier post said that the chapter on RT for Dupuytren's disease in Dr. Seegenschmiedt's book is available on the internet:

" A lot of literature is cited in the chapter on Dupuytren's disease in "Radiotherapy on Non-Malignant Disorders". Thanks to newman that chapter is available on the Internet, the link is on http://www.dupuytren-online.info/radioth...literature.html."

When I click on the link on the literature page, I am ending up on a German Amazon.com site where the book is offered for purchase (for a lot of money!) Is there a way of accessing just the chapter on line? Or am I doing something wrong?

Thanks for your help!

01/26/2010 05:08
newman 
01/26/2010 05:08
newman 

Re Prof.Seegenschmiedt's book to view on line.

Hi AP in DC, Australia Calling on AUSTRALIA DAY.Click on the Literature Page under Radiation therapy . in the first para- click on-" Published online" The window will open on the right of the screen showing Chapter 9- Morbus Dupuytren /Ledderhose. With the aid of the mouse scroll down to view the subject matter. Hope this helps I've just checked and it worked for me. The book costs 200 euro which I am told is not expensive for medical books. If you are still not successfull send me an email Click- My Profile -send an email- Newman . I can send you a pdf with the permission of Prof Seegenschmiedt of a paper he delivered in the US. It is somewhat similiar to that in the book. Dont forget to click on the return for your email address. Regards Newman.

Edited 01/26/10 07:13

01/27/2010 21:35
Issleib2

not registered

01/27/2010 21:35
Issleib2

not registered

Re: Looking for other Radiation Therapy research opinions and data

A lot of libraries in the US belong to an interlibrary loan service. If you request it they may be able to borrow it for you.

02/17/2010 03:19
AP_in_DC 
02/17/2010 03:19
AP_in_DC 
Re: Looking for other Radiation Therapy research opinions and data

Regarding the discussion above about second RT treatments and the maximum total dose an area should receive: I decided to pursue RT with Dr. T at Scripps, in part because of all the positive accounts about him I've seen on this site. [Also, the weather here is FAR better than in my freezing snow-covered part of the country, and it was a great chance to see my friends in CA. :-) ]

The protocol Dr. T is using for me is 2 gys per day for 10 days, for a total of 20 gys. As someone mentioned above, Dr. T said that if needed he could re-treat an area with another 20 gys. I told him that I had heard you shouldn't use more than a total of 30 gys on an area. His response (at least as I understood it) was that because the daily dose he gives is lower (2 gys v. the more customary 3 gys), 40 gys on his protocol is biologically equivalent to 30 gys under the 3 gy per day protocol. His 40 gys would be administered over the course of 20 days (2 weeks in a row, then a few months break, then another 2 weeks in a row). In comparison, the standard protocol is 30 gys administered over the course of 10 days (1 week, then a few months break, than another week).

So, my understanding from what he said is that administering a lower dose over a longer time period allows you to administer more gys with the same level of risk.

He also told me that he thought the risk of cancer in the irradiated area was significantly lower than 1 percent (at least with the protocol he uses); he said he thought it would be more like 1 in 1000.

02/17/2010 16:46
LubaM. 
02/17/2010 16:46
LubaM. 
Re: Looking for other Radiation Therapy research opinions and data

Thats very good to know....

I had RT with Dr. T. in November for my left hand. It had multiple nodules covering a large area of the palm, and a very small cord going along the bottom part of the index finger.

All the nodules got softer, except for one large nodule that remains hard. The small cord is gone and the span between pinkie and thumb is much bigger when I open my hand.

At my follow up appt. with Dr. T. in December, we discussed the possibility of re-doing RT just on that one nodule that has remained hard. I had the same doubts about adding radiation beyond the 20 Gys I received, because I too had read that 30 Gys was maximum.

Your explanation puts me at ease for repeating the RT, what you wrote makes sense.

02/17/2010 23:01
AP_in_DC 
02/17/2010 23:01
AP_in_DC 
Re: Looking for other Radiation Therapy research opinions and data

I'm glad the info was helpful. Of course, people should ask him about it directly as well -- I think I got it right, but as a non-expert it's always possible I misunderstood something or other.

02/19/2010 03:10
LubaM. 
02/19/2010 03:10
LubaM. 
Re: Looking for other Radiation Therapy research opinions and data

I have an appt. with Dr. T. March 22 to start RT for my other hand...I will double-check with him about the safety of repeating RT, (per your comments).... thanks AP_in_DC

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