A member asked:

I am 51 years old indian american female. my back part of neck & upper forehead has become dark black. it is not due to sun. pls advice cause/treatmnt?

A doctor has provided 1 answer

Acanthosis Nigricans: This may be a condition called acanthosis nigricans which can be a subtle sign of diabetes mellitus. Please follow up with your doctor for a proper evaluation.

Answered 12/20/2012

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