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Spreading skin mottling on thighs. Blood test normal. Reason?

Hi there, i have skin mottling on my thighs and it started about nine months ago, and I recently noticed its starting to spread towards my knees. I've done blood tests and everything came back clear. how do I stop it from spreading and make it go away. What is this caused by. My doctor had nothing to offer as of information.
Asked On : Sat, 13 Apr 2013
Answers:  1 Views:  191
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Question is related to
Diseases and Conditions
Lab Tests
Dermatologist 's  Response
From what you have described.I presume you might be having one of the following as mottling is the key feature in all of these conditions:
1.Erythema ab igne
2.Livedo reticularis
3.Cutis Marmorata Telangiectasia
Since you have specified that all your blood investigations are normal.I suspect that you are having erythema ab igne. It is caused because of keeping the laptop on the thighs and legs for long hours.
It can be reversed by simply by avoiding keeping the laptop on lap directly.Anyway since i have not seen you, i suggest that ask your dermatologist to rule out the these probabilities by relevant history,physical examinations and investigations.
Answered: Sat, 20 Apr 2013
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