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Numbness following radiation treatment - anyone?
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09/09/2016 21:05
petepdx 
09/09/2016 21:05
petepdx 
Numbness following radiation treatment - anyone?

Greetings. Earlier this year, my Dupuytren’s was treated w/needle aponeurotomy in my right hand (Dr. Kline) followed by two rounds of radiation in both hands (Dr. Cha in Portland OR). As far as the Dupuytren’s is concerned, both treatments have been successful. After completing the second round of radiation, I experienced the typical weakness and soreness that follows for several weeks. However, at about 6 weeks past, I began to experience varying degrees of constant numbness, tingling, and shooting pains in *both* hands. It’s mostly isolated to two fingers + 1 thumb (though my brain often interprets it as all of them) – however, as of 12 weeks, I'm experiencing intermittent numbness in additional fingers. Getting cold results in both hands going completely numb – debilitatingly so. I went back to Dr. Cha who prescribed acupuncture for nerve stimulation. I just finished that and it seems it may have sped up recovery for the weakness/soreness, but did nothing for what the acupuncturist (who’s also a physician) labeled as radiation induced neuropathy.

Anyone else have any experience w/this? It doesn’t seem to be very common… but it would sure be encouraging to hear someone say pfffft, relax it'll go away.

A little additional info: I’m a 51 yr old male scandinavian endurance runner who consumes more than my share of red-wine. Not sure how relevant the radiation field might be, but mine spanned the entire palm of both hands due to existing nodes. Dose unknown.

Cheers,
Pete

09/09/2016 21:22
Stefan_K. 
09/09/2016 21:22
Stefan_K. 

Re: Numbness following radiation treatment - anyone?

Hi Pete, I unfortunately have never heard of radiation induced neuropathy and can't answer your question on that, but I would definitely have the curiosity to know the dose received for further down the path. When you say the radiation therapy was successful, do you mean nodules or cords have shrunk?

Stef

[54 year-old male, DD diagnosis 2006, RH contracture and NA/PNF 2014, RT 2015, wearing night splint glove]

09/09/2016 21:50
petepdx 
09/09/2016 21:50
petepdx 
Re: Numbness following radiation treatment - anyone?

Hi Stef. I’m certainly open to the symptoms being cause by something other than the RT…. In fact, that might even be a relief.

On the success part – there’s still some tightness in my palms (perhaps even some new scaring), but yeah – the nodes and chords have both softened and reduced in size significantly.

Pete

09/09/2016 22:04
Stefan_K. 
09/09/2016 22:04
Stefan_K. 

Re: Numbness following radiation treatment - anyone?

Congratulations on your successful treatments. I hope your new symptoms will go away soon. Even without them I would definitely want to know what I have been treated with. With these possible side effects even more so, to make sure nothing went wrong, or to know it did just in case it gets worse.

Edited 08/17/17 12:27

09/10/2016 06:29
spanishbuddha 

Administrator

09/10/2016 06:29
spanishbuddha 

Administrator

Re: Numbness following radiation treatment - anyone?

Sounds possibly like carpal tunnel in both hands? Have you had nerve conduction tests. Like Stefan I too would like yo know the dose and controlled depth of radiation? People on here who had the whole hand irradiated, up to the wrist, have reported something similar before.

09/10/2016 14:56
petepdx 
09/10/2016 14:56
petepdx 
Re: Numbness following radiation treatment - anyone?

spanishbuddha:
Sounds possibly like carpal tunnel in both hands?
I appreciate the input – I’ll explore the notion of Carpal Tunnel with my GP. I've not gone down the road of conduction tests, yet anyway..

I’d be a better patient if I could think faster while in the office. But when I got home, I did wonder… did Radiation Induced Neuropathy mean:
1) The Radiation did damage?
Or
2) Changes in my hand as a result of the RT is causing some sort of neuropathy?

There does seem to be some new tightness/scaring going on. I suppose that could a contributor to something like Carpal.

--------------------------------------------------------
With regard to RT dosage, my follow-up appointment with the Radiologist is a couple months out. But I’ll make a phone call on Mon or Tues and see if I can obtain the info – if for nothing else, to document it here. Though, I suppose what a Dr. prescribes vs. what gets delivered by the tech’s operating the Versa machine could be different values if something gets botched… which can make one wonder how often RT botching goes undetected, and when it is detected, how likely are they to call the patient up?

09/11/2016 05:47
wach 

Administrator

09/11/2016 05:47
wach 

Administrator

Re: Numbness following radiation treatment - anyone?

You are relating the problems in your hand with the RT treatment.but this is only a suspected but not a confirmed diagnosis, correct? Radiation induced neuropathy may happen after cancer treatment, but it is rare after cancer treatment http://www.ncbi.nlm.nih.gov/pubmed/23245644 and it is not to be expected after the lower dose used for treating Dupuytren's. The problems with neuropathy typically appear only years after treatment. I am just a patient and no expert in radiation induced neuropathy but it might be that you have another issue to deal with and that this is not radiation induced neuropathy. Have you coonsulted a hand specialist already?

Wolfgang

petepdx:
....
I’d be a better patient if I could think faster while in the office. But when I got home, I did wonder… did Radiation Induced Neuropathy mean:
1) The Radiation did damage?
Or
2) Changes in my hand as a result of the RT is causing some sort of neuropathy?

There does seem to be some new tightness/scaring going on. I suppose that could a contributor to something like Carpal.

---


Edited 09/11/16 17:01

09/11/2016 15:44
petepdx 
09/11/2016 15:44
petepdx 
Re: Numbness following radiation treatment - anyone?

wach:
You are relating the problems in your hand with the RT treatment.but this is only a suspected but not a confirmed diagnosis, correct? Radiation induced neuropathy may happen after cancer treatment, but it is rare after cancer treatment http://www.ncbi.nlm.nih.gov/pubmed/23245644 and it is not to be expected after the lower dose used for treating Dupuytren's. The problems with neuropathy typically appear only years after treatment. I am just a patient and no expert in radiation induced neuropathy but it might be that you have another issue to deal with and that this is not radiation induced neuropathy. Have you coonsulted a hand specialist already?

Wolfgang


Correct. Suspect by me, my radiologist, and the acupuncturist (physician) she sent me to – but not confirmed.

I believe I mentioned in my original post that I’m not half way through, my treatment is complete.
- 5 days of treatment in April
- Two months off
- 5 days in June
Around 3 weeks following, I noticed weakness & soreness in both hands while doing wall demo. At 5 weeks, the soreness and weakness those symptoms continued with the addition of increased tightness in both hands. At 6 weeks, numbness/cold/tingly sensations set in – again, in both hands. Coincidence? Perhaps. Most of us who have been through this will contest that the first two symptoms that I outlined are commonly related to RT. You seem fairly confident that the latter symptom I am experiencing is not – and I hope you are correct.

Thanks for the link, but that addresses only 1 of many Neuropathy’s and causes.
Neuropathy is common and can result from a number of causes. To name a couple of centralized causes - diabetes, vitamin deficiency, in addition to the treatment causing peripheral neuropathy in the link you provided. Neuropathy in the hand (for example) as a result of localized injury, surgery, or compression (to name a few) is also common, and not far-fetched. Yet, neuropathy from localized radiation which causes cellular damage and scaring, even at low-levels is? I don’t understand why is the notion of RT being at the root cause of such a neuropathy is such a hard pill to swallow in this forum – especially considering that scaring is known to compress nerves.

I’m not here to give RT a bad rap. I’m not done seeking an answer from a medical professional . I’ve gained some helpful information along my DP journey by lurking in this forum and just wanted to pose the question I did. Based on what spanishbudda recollected, the answer seems to be that there may be a few other unusual cases (or coincidences) out there.

09/11/2016 18:46
spanishbuddha 

Administrator

09/11/2016 18:46
spanishbuddha 

Administrator

Re: Numbness following radiation treatment - anyone?

I think that long term neuropathy caused by RT for DD using the 'German' protocol is uncommon. Perhaps unheard of? Hence the doubt. The German protocol consists of 2 rounds of 15Gy performed over two weeks separated by 12 - 16 weeks with depth controlled by a gel bolus, and each daily session limited to 3Gy. OK you may be the first to report this, but let's confirm the dosing, and use and thickness of bolus. If you are confirmed to suffer this damage from the RT treatment for your DD it would merit further understanding why.

09/11/2016 20:15
Stefan_K. 
09/11/2016 20:15
Stefan_K. 

Re: Numbness following radiation treatment - anyone?

Seven years of experience with the German protocol suggest that the RT should have been done properly. So it is surprising that the doctor would suspect radiation induced neuropathy, after a relatively short time compared with what is reported for stronger radiation for cancer treatment.

"Radiation therapy [for DD] involves directing low-energy X-rays at the affected tissue, which presumably slows the growth rate of fibroblasts, the cells that make collagen. “The radiation beams are shaped by customized molds that go into the treatment machine,” said Dr. C. “We also use customized tissue compensators to help ensure that the treatment is being delivered to the correct depth.”

The goal of treatment is to prevent the fibrosis from reforming. Patients receive the treatment daily for five consecutive days, after which they wait two months. The same regimen is then repeated for five more days.

Dr. C. began offering radiotherapy for Dupuytren’s contracture about three years ago in the radiation facility at Providence Portland Medical Center." That is from an internet publication in 2012.

I'd ask her if she is aware of any case of neuropathy from DD radiotherapy, what was the earliest occurence RT, and of course to check if the correct dose of 2 x 5 x 3 = 30 Gy was applied to your hands.

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