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Hypertrichosis

 
Hypertrichosis

 
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Hypertrichosis
 
 
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Hypertrichosis specifically refers to hair density or length beyond the accepted limits of normal for a particular age, race, or sex, and may be generalized or localized, and may be lanugo, vellus, or terminal hair. Restated, hypertrichosis is an overgrowth of hair not localized to the androgen-dependent areas of the skin.

e are several general types of hypertrichosis:






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Hypertrichosis specifically refers to hair density or length beyond the accepted limits of normal for a particular age, race, or sex, and may be generalized or localized, and may be lanugo, vellus, or terminal hair. Restated, hypertrichosis is an overgrowth of hair not localized to the androgen-dependent areas of the skin.

Types

There are several general types of hypertrichosis:
  • Generalized congenital hypertrichosis
    Generalized congenital hypertrichosis

    Generalized congenital hypertrichosis presents as a confluent, generalized overgrowth of silvery blonde to gray lanugo hair at birth or in early infancy....
     (Congenital hypertrichosis lanuginosa)
  • Acquired generalized hypertrichosis
    Acquired generalized hypertrichosis

    Acquired generalized hypertrichosis is a generalized increase of hair density and length, an ominous sign in dermatology when there is no obvious drug-related explanation, being almost always a sign of an underlying malignancy or is a harbinger of one to develop in the near future....
     (Aquired hypertrichosis lanuginosa)
  • Patterned acquired hypertrichosis
    Patterned acquired hypertrichosis

    Patterned acquired hypertrichosis is an increase in hair growth in a pattern formation, and, similar to acquired generalized hypertrichosis, is an ominous sign of internal malignancy....
  • Localized congenital hypertrichosis
    Localized congenital hypertrichosis

    Localized congenital hypertrichosis is inherited, localized increase in hair density and length. The presence of undesired hair growth can be very troublesome to many people....
  • Localized acquired hypertrichosis
    Localized acquired hypertrichosis

    Localized acquired hypertrichosis is an increase in hair density and length often secondary to irritation or trauma....


See also

  • Dermatology
    Dermatology

    Dermatology is the branch of medicine dealing with the skin and Skin disease, a unique specialty with both medical and surgical aspects. The name of this specialty originated in the form of the words dermologie and, a little later, dermatologia ....
  • Skin disease
  • Skin lesion
    Skin lesion

    Most dermatoses present with skin lesions of more or less distinct characteristics. Macroscopically, these original lesions are known as the "primary lesion", and identification of such lesions is "...the most important aspect of dermatologic examination." However, these lesions may continue to develop or be modified by regression or trauma...