 
    A 12-year-old girl was misdiagnosed with alopecia areata but actually had a nevus sebaceus with a genetic mutation.  
      7 citations
,
  February 2021   in “Dermatologic Therapy”
           7 citations
,
  February 2021   in “Dermatologic Therapy”    Sebaceous glands are involved in various skin disorders, some treatable with medications like finasteride and minoxidil.  
      May 2024   in “CRC Press eBooks”
           May 2024   in “CRC Press eBooks”    Children's hair loss can have various causes, including infections, autoimmune issues, physical stress, nutritional problems, and genetic factors.  
      August 2018   in “Journal of The American Academy of Dermatology”
           August 2018   in “Journal of The American Academy of Dermatology”    Older men's scalp damage increases with age and sun exposure, a baby girl in the Philippines has Schimmelpenning syndrome, and thyroid screening is advised for children with hair loss and certain risk factors.  
      2 citations
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  June 1980   in “International Journal of Dermatology”
           2 citations
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  June 1980   in “International Journal of Dermatology”    Scalp biopsies are important for diagnosing hair loss conditions.