The Role of Hair Follicle Counts and Ratios in the Histopathological Assessment of Androgenic Alopecia, Alopecia Areata and Telogen Effluvium: Does Counting 'Count'?

    March 2023 in “ Human Pathology ”
    Eleni Ieremia, Catherine M. Stefanato
    Studysummary This review found that while follicular hair counts and ratios assist in diagnosing non-scarring alopecia, they should be used alongside specific morphological features for accurate diagnosis.
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    Research cited in this study 15

    1. Variation of Hair Follicle Counts Among Different Scalp Areas: A Quantitative Histopathological Study Skin Appendage Disorders · 2021
    2. Follicular Density and Ratios in Scarring and Nonscarring Alopecia The American Journal of Dermatopathology · 2013
    3. Histopathology of Scarring and Nonscarring Hair Loss Dermatologic Clinics · 2012
    4. An Atlas of Hair Pathology with Clinical Correlations CRC Press eBooks · 2012
    5. Histopathologic Features of Alopecia Areata Incognito: A Review of 46 Cases Journal of Cutaneous Pathology · 2012
    6. Histopathology of Alopecia: A Clinicopathological Approach to Diagnosis Histopathology · 2009
    7. Hair Counts in Scalp Biopsy of Males and Females with Androgenetic Alopecia Compared with Normal Subjects Journal of Cutaneous Pathology · 2009
    8. Follicular Streamers (Stelae) in Scarring and Non-Scarring Alopecia Journal of Cutaneous Pathology · 2008
    9. The Histopathology of Noncicatricial Alopecia Seminars in Cutaneous Medicine and Surgery · 2006
    10. Hair Density in African Americans Archives of Dermatology · 1999
    11. Chronic Telogen Effluvium: Increased Scalp Hair Shedding in Middle-Aged Women Journal of The American Academy of Dermatology · 1996
    12. Histopathology of Non-Scarring Alopecia Journal of Cutaneous Pathology · 1995
    13. Diagnostic and Predictive Value of Horizontal Sections of Scalp Biopsy Specimens in Male Pattern Androgenetic Alopecia Journal of The American Academy of Dermatology · 1993
    14. Hair Anatomy for the Clinician Journal of The American Academy of Dermatology · 1991
    15. The Transverse Anatomy of Androgenic Alopecia The Journal of Dermatologic Surgery and Oncology · 1990

    Related research 8

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    3. Sisaipho Alopecia Areata Treated With Tofacitinib and Oral Minoxidil JAAD case reports · 2022
    4. Hair Disorders Oxford University Press eBooks · 2018
    5. Alopecia Areata of the Beard: A Review of the Literature American Journal of Clinical Dermatology · 2017
    6. Noninflammatory, Nonpruritic Alopecia of Horses Veterinary Clinics of North America: Equine Practice · 2013
    7. Disorders of Hair DeckerMed Medicine · 2013
    8. Alopecia Areata: Clinical Presentation, Diagnosis, and Unusual Cases Dermatologic Therapy · 2011