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- This topic has 8 replies, 4 voices, and was last updated 6 years, 10 months ago by slholmdahl.
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- June 27, 2017 at 10:31 pm
was diagnosed with stage 1a melanoma about one year ago. It was 0.2MM thick and I had a mitotic rate of zero. It was on my upper arm. A WLE was performed and all margins were clear. Also, no other melanoma cells were found even at the original site. Is the non-finding of any cells in the WLE unusual?
I have consulted with two dermatologists concerning melanoma.
The first states all the usual warnings regarding melanoma, caused by radiation exposure, etc.
Second doctor with more of a research orientation, he is on the faculty at Stanford, believes UVA/UVB has little to do with the development of melanoma. He says he believes it is all caused by some genetic weakness or predisposition towards it and not UVA/UVB radiation or sunburns.
I have medium toned skin, blonde hair and green hazel eyes. I tan and do not burn.
Who do I believe?
It is important to me because I have a genetic skin disease called psoriasis. The easiest, and most effective way to treat it is using narrow band spectrum UVB light. Very narrow spectrum and I can control it with an exposure of three minutes once weekly.
One doctor says no more light treatments, the Stanford doctor says no reason I can't continue with home narrow band UVB treatments. Other treatments are systemic drugs, with many side effects and cause minimal suppression of the immune system.
Any comments are appreciated.
Final issue, can anyone provide studies or statistics on skin checks? One doctor says every six months, other says once a year, first two years, and subsequently only if you see something new or bothersome. Second doctor works with a lot more melanoma patients than the first.
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- June 28, 2017 at 12:23 am
Check out this article. At the bottom it lists risk factors for melanoma, sun burns being at the very bottom of the list.http://www.news-medical.net/news/20170523/Melanoma-could-affect-anyone-regardless-of-skin-color.aspx
I think sun is more of a risk factor for melanoma in fairer people than people with darker complexions. I also tan very well and haven’t had many sun burns in my life. My melanoma was in my hair in a spot where I didn’t get a lot of sun. Maybe I didn’t get enough sun there, I don’t know. Personally, I would follow the advice of the doctor who deals with melanoma more frequently.
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- June 28, 2017 at 3:00 am
Also, according to this article, your UVB lamp should be fine. -
- June 28, 2017 at 10:52 pm
Thank you for the links! The summary one of different NUVB studies was especially helpful. I appreciate your comments and help!
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- June 28, 2017 at 1:37 am
That's a tough quandry and I sympathize with your dilemma. It's up to you to decide what risk/benefit you're able to live with. My advice is to be wary of the human tendency to be swayed by the cherry-picking fallacy: Finding the one doctor who tells you what you want to hear, and ignoring the vast majority who say otherwise.
Good luck,
Betsy
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- June 28, 2017 at 10:53 pm
Thanks for you comments!
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- June 28, 2017 at 3:07 am
As an Australian, there is no doubt to me that sunburns cause superficial spreading melanoma – the most common type. There may be other causes, but we have such a high rate of melanoma precisely because of our exposure to sun (as does New Zealand). What we have in common is a high proportion of very fair-skinned people doing lots of outdoorsy things and exposing themselves to lots of sun. A good control would be: do people of the same ancestry in a not-sunny climate (e.g. the UK) get the same rates of melanoma. No, they don't – we do because we are baked in the sun from birth. The evidence seems to show though that your UVB therapy is not implicated in skin cancer: https://www.ncbi.nlm.nih.gov/pubmed/15869531
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- June 28, 2017 at 10:58 pm
Thanks for your analysis of the rates in Austraila vs. Great Britian. I live in California, sunny etc and our rates are increasing too. Thanks for the UVB information, I had not seen the information related to your particular link. Thanks!
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