USMLE Forum Archives - USMLE Step 3 - Acanthosis Nigricans
Acanthosis Nigricans
zkadhem - 07-21-09 18:08
This is a clear image of the acanthosis nigricans.
The most common cause is Type 2 D.M.
Also can be seen in obese persons, PCOS, and gastric cancers. Some cases are ideopathic.
If the cause of the lesion is not obvious or known what tests to order in this case?
zkadhem - 07-21-09 18:08
This is a clear image of the acanthosis nigricans.
The most common cause is Type 2 D.M.
Also can be seen in obese persons, PCOS, and gastric cancers. Some cases are ideopathic.
If the cause of the lesion is not obvious or known what tests to order in this case?
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#1
Re: Acanthosis Nigricans conym5 - 07-21-09 18:09 The most common cause of Acanthosis nigricans is insulin resistance, which leads to increased circulating insulin levels. Insulin spillover into the skin results in its abnormal growth, and the stimulation of color producing cells (melanocytes)
#2
Re: Acanthosis Nigricans mtniharika - 01-09-10 23:34 It typically occurs in individuals younger than age 40, may be genetically inherited, and is associated with obesity or endocrinopathies, such as hypothyroidism or hyperthyroidism, acromegaly, polycystic ovary disease, insulin-resistant diabetes, or Cushing's disease.
#3
Re: Acanthosis Nigricans conym5 - 01-10-10 07:56 woooooow
i didnt know these causes of acanthosis nigricans : endocrinopathies, such as hypothyroidism or hyperthyroidism, acromegaly..
thanks..
#4
Re: Acanthosis Nigricans babbu5508 - 02-24-11 15:22 acanthosis nigricans may be a sign of an underlying undiagnosed visceral malignancy.....needs further evaluation if no cause is obvious
#5
Re: Acanthosis Nigricans sudha2015 - 03-31-11 12:45 associated with obesity or endocrinopathies, such as hypothyroidism or hyperthyroidism, acromegaly, polycystic ovary disease, insulin-resistant diabetes, or Cushing's disease.
#6
Re: Acanthosis Nigricans babbu5508 - 03-31-11 12:53 Obesity can lead to acanthosis nigricans, as can some endocrine disorders. It is often found in people with obesity-related diabetes.
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