Don't know yet
Missing the outer third of the eyebrow is called the "Sign of Hertoghe" after the endocrinologist who first described this in the early 1900s. It is a symptom of hypothyroidism (not enough thyroid hormone).
Another symptom of hypothyroidism is keratosis --- typically on the trunk, upper arms and thighs.
I noticed keratosis pilaris on my daughter when she was young, along with other symptoms of hypothyroidism. I was fortunate that Dr. Hertoghe (son or grandson) was working with the Broda Barnes Foundation at the time. He confirmed my suspicions. After obtaining Armour thyroid for her, the keratosis pilaris on her trunk disappeared, but the bumps on her arms and thighs remained.
In medline, there is a scientific article entitled: "The eye brow sign of Hertoghe, a symptom of function of the autonomic nervous system." There isn't any more information than just the title there. However, I assume this might have something to do with the autonomic nervous system's control of blood flow to the skin.
If any of you suspect a thyroid disorder, please look at the information at about.com or at the Broda Barnes Foundation. Sad to say, but there is a great deal of difference of opinion when it comes to thyroid. Most conventional doctors will diagnose based on blood tests only. Alternative doctors are much more willing to take symptoms into consideration.
I'm a new visitor. Thank you so much for all this information.
Last edited by PollyH; 12-21-2008 at 06:18 PM. Reason: more information
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