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Hair loss
Alopecia
Classification and external resources
ICD-10
L65.9
ICD-9
704.09
DiseasesDB
14765
MedlinePlus
003246
MeSH
D000505
Hair loss[1] or baldness (technically known as alopecia[2]) is a loss of hair from the head or body. Baldness can refer to general hair loss or male pattern baldness specifically. Some types of baldness can be caused by alopecia areata, anautoimmune disorder. The extreme forms of alopecia areata are alopecia totalis, which involves the loss of all head hair, and alopecia universalis, which involves the loss of all hair from the head and the body.
Baldness can have many causes, including fungal infection (tinea capitis), traumatic damage, such as by compulsive pulling (trichotillomania), as a result of radiotherapy or chemotherapy, and as a result of nutritional deficiencies such as iron, and as a result of autoimmune phenomena, including alopecia areata and hair loss associated with systemic lupus erythematosus.[3]
10 years ago. Rating: 8 | |