It came up suddenly 4 years ago ! Skin is thinner over the pigmented part , , no h/o trauma , no itching , no discharge , not increased since then ... what's the diagnosis ??
Acanthosis nigricans
Get tested for diabetes
Sure ?? What is the confirmatory test
Not sure..is it crct? ?
Thankyou
Its like a high level insuline, sometimes something like this can appear around the neck.