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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Be The Brown Line From Thumb To Wrist?

My work involves using computers. I am constantly at the keyboards. I noticed recently that I developed a medium brown line from the base of my left thumb to my wrist. My right wrist has just a small line. I heard this could possibly due to the skin constantly in contact with the surface of the laptop. Could this be the case or is it something else?

Wed, 27 Aug 2014
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What Could Be The Brown Line From Thumb To Wrist?