Alopecia

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Alopecia
Classification & external resources
ICD-10 L65.9
ICD-9 704.09
DiseasesDB 14765
MedlinePlus 003246
MeSH D000505

Alopecia is the loss of hair on the body. It should be distinguished from baldness, which is the lack of hair, including contexts where that absence is intentional. (In some cases the terms are used interchangeably, and in some conditions such as trichotillomania, where the loss of the hair is due to intentional acts, but the motive for that act is defined as a medical condition, it can be difficult to determine whether the label "alopecia" is appropriate.)

In some cases, alopecia is an indication of an underlying medical concern, such as iron deficiency.[1]

Alopecia can also refer to the hair loss usually expected as part of the aging process (for example, androgenetic alopecia).

When the hair loss is in a defined part of the body, is is known as alopecia areata. By contrast, the hair loss associated with chemotherapy affects the entire body.[2]

Pierluigi Collina and Gail Porter are two well-known people who recently brought alopecia into public attention.

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