It sounds to me like you are at the early stages and that RT would be a very viable treatment option. I had mine done at Scripps LaJolla/San Diego with Dr. T. He has done quite a few and really knows what he is doing. Uses electron radiation.
I had RT done 13 months ago and it has stopped progression so far. I had nodules in every quadrant of my palm with some contracture that I had released by NA with Dr. Denkler before I had RT. Dr. T radiated my whole palm, MC joints and up into my thumb almost to the next joint. My thumb was the most involved and there was (still is a little) contracture/tightness across my palm to the little finger. Didn't know about RT before the contracture occurred or I would have had RT to hopefully avoid any contracture at all.
No problem with insurance - Medicare is my primary and Anthem Blue Cross secondary. Medicare coverage may be useful information with your insurance if you have any problem.

Glad you found this site. Mine had progressed for about a 1 1/2 years before I found this site. There is great support and links to many resources.
I don't see any clinics listed for RT in New Mexico. You can find posts on this site by some people have found local radiologists who were willing to research about RT and consult with others who already do it and have been very pleased. If you can take a "vacation" to San Diego to get RT by Dr. T would be great. Or maybe your husband can arrange something educational in San Diego.
I eat healthy anyway, exercise, etc. so I haven't found any changes that seem to me would make any difference. I think it's just the luck of the draw that I got the genes - neither of my two brothers have it. I hope research will come up with something.
I have educated my GP, dermatologist, dentist, PT, my husband's orthopedist and any practitioner who might have patients with DD. They only knew what you knew - wait until deformity and then have surgery. They have all been pleased to know about NA, RT and this website to pass on to their patients. They have been amazed and pleased with what it did for my hand. GPs particularly need to know about these treatments.

Casa,

Good advice from Flojo and Phillip above....Like Flojo, I too had RT with Dr. T. in LaJolla, CA nine months ago. So far, good results it seems to have stopped the progression of my Dupuytrens in left hand and Ledderhose in left foot.

On my right hand I had a contracture of the small finger....I had four different surgeons I consulted through the years tell me to wait until the finger is totally contracted and have surgery, that it was the only solution. NOT TRUE...waiting is a big mistake.

My finger continued to contract and in 2006 after I found this forum, I decided to do NA instead of surgery...I had NA twice on the contracted small finger in my right hand, but unfortunately the contracture keeps coming back. I wish I had found this forum sooner, I would have not waited and would have had RT on my right hand when it was in the early stages.

Thank you for the great responses. I will look into the gel mitts for biking. Interesting as I climb to (though more ice than rock). But I stopped again to mitigate any further "damage". My husband called major hospital in Santa Fe and Univ of NM Hopital in ABQ and spoke with hand specialist/radiology depts at both. I am shocked at how little they knew and universally felt RT was not a very good option. One does NA and UNM-H is "beginning" NA option. We also called univ. of Okla (closest) to speak w/ their radiology dept. (vaca til Fri.). My ortho dr. did not check foot or hand. This is very good to know--again thanks.

Casa,
After you finish making your contacts, I'm betting that there will be a list in the left column for Oklahoma practitioners for all treatment options for DD! Good for you! We need to educate the medical profession about alternatives to surgery for treatment of Dupuytren's. Thanks for your efforts.

flojo:

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Larry, I think the key to radiation is how much radiation is actually given. Electron beams used at Scripps is different from x-ray used in Germany and, I believe, the amount given 5 days in 2 consecutive weeks is actually less radiation. I believe mine was 1.8 Gy times 10 days for a total of 18 Gy. The risk for cancer is about 1% after 20 years and only for the specifically radiated area.. Because of the low dosage that was given, it could be given again in the radiated area, but I hope I never need it again. I lean toward the lowest dosage that does the job. Electron radiation is very specific as to depth into the tissue and no surrounding areas.

Dr. S in Germany is certainly highly recommended and he probably has treated more patients with RT than anyone. He has studied and researched RT for Dupuytren's. He is definitely a good doctor.