TLDR The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
The document from January 1, 2013, provides a guide for clinicians on diagnosing hair loss, emphasizing the differentiation between hair loss from the roots and hair breakage. It outlines the hair follicle cycle, noting that 85% to 90% of scalp hair is in the anagen phase and grows about 0.35 mm per day, with normal hair loss ranging from 40 to 300 hairs per day. The authors recommend using a Hair Card for clinical examination, a scalp biopsy for suspected cicatricial alopecia, and taking a thorough medical history. Differential diagnoses for hair loss include telogen effluvium, alopecia areata, androgenetic alopecia, tinea capitis, and trichotillomania. Diagnostic methods include pull and tug tests, hair mount preparation for microscopic examination, and laboratory tests such as complete blood count and hormone levels. Scalp biopsies should be performed in areas with inflammation for cicatricial alopecia. These tools and tests are crucial for identifying the cause of hair loss and determining the correct treatment.
Cited in this study
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163 citations
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November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
309 citations
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May 1993 in “Journal of The American Academy of Dermatology” Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.
33 citations
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July 1992 in “Journal of Investigative Dermatology” Minoxidil doesn't affect perifollicular lymphoid infiltration in alopecia areata patients.
42 citations
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December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
8 citations
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March 1979 in “International Journal of Dermatology” Dr. Vera H. Price's 1979 work emphasizes the importance of accurate diagnosis and personalized treatment for hair loss.
1 citations
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November 2022 in “JAAD case reports” Tofacitinib and oral minoxidil may help treat Sisaipho alopecia areata.
August 2018 in “Oxford University Press eBooks” The document's conclusion cannot be provided because the document cannot be parsed.
37 citations
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May 2016 in “Deutsches Arzteblatt International” Hair loss requires customized treatments based on its various causes and types.
January 2016 The article concludes that understanding the causes of hair loss and using continuous treatments like minoxidil and finasteride can help manage it, despite potential side effects.
21 citations
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May 1996 in “Current problems in dermatology” Detailed patient history and physical exams are crucial for diagnosing hair loss.
29 citations
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January 1993 in “Dermatologic Clinics” Certain medications and maintaining adequate iron levels can help manage women's hair loss.
5 citations
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October 1988 in “Clinics in Dermatology” Minoxidil promotes hair growth but exact mechanism is unknown.