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As well as interruptions of the hair-growth cycle, other types of hair loss can be brought about by trauma to the scalp or various fungal infections. Some of these conditions are extremely rare. However, these types of hair loss should be on your doctor’s radar if your case does not appear to fall into one of the more common categories.
Trichtotillomania
Also known as chronic hair-pulling or morbid hair-pulling, this type of hair loss is considered a psychological disorder, as it is self-induced. The hair loss results from the person deliberately pulling out his or her own hair, and the pattern of hair loss results in a typical “monk’s fringe,” with the hair in the center of the head pulled out. It is considered a traumatic alopecia. While for children the condition is more often manifested in boys than in girls, among adults, women are the more frequent hair-pullers.
Traction Alopecia
Traction alopecia usually occurs when there is sustained tension on the scalp through styling techniques such as tight ponytails or braiding. Straightening and Bleaching can also cause it. Traction alopecia is most often seen in African American women who style their hair in tight braids or who use chemical straighteners. It is also seen in Japanese geisha who attach hairpieces to their hair to create their intricate signature hairstyles.
With traction alopecia, the hair can often sustain the trauma of the tension for awhile, and if the offending practice is stopped, the hair loss can be reversed. However, if the pulling of the hair through severe styling methods continues, the hair follicle will stop producing hair.
Cicatricial or Scarring Alopecias
These types of alopecias are categorized as either inflammatory or noninflammatory and represent a group of diseases that are characterized by a lack of follicular ostia (pores).
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