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    Glossary Hair Casts

    tiny, cylindrical structures encircling hair shafts, often mistaken for lice eggs

    Hair casts, also known as pseudonits, are tiny, cylindrical, white or yellowish structures that encircle the hair shaft. They can be mistaken for lice eggs (nits) but are actually composed of keratin and other debris. Hair casts can be easily moved along the hair shaft and are often associated with conditions like seborrheic dermatitis or psoriasis.

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    1. Hair casts: Classification, staining characteristics, and differential diagnosis Journal of the American Academy of Dermatology · 1983 · 27 citations
    2. Hair Casts: A Clinical and Electron Microscopic Study Pediatric Dermatology · 1990 · 24 citations
    3. Is Propionibacterium acnes associated with hair casts and alopecia? International Journal of Trichology · 2012 · 19 citations
    4. Hair Casts and Cutaneous Spicules in Multiple Myeloma Archives of dermatology · 2006 · 19 citations
    5. Hair casts or pseudonits International journal of trichology · 2011 · 18 citations
    6. Acantholytic hair casts: A dermoscopic sign of pemphigus vulgaris of the scalp International Journal of Trichology · 2012 · 15 citations
    7. Hair Casts Archives of dermatology · 1985 · 15 citations
    8. Hair Casts Dermatology · 1980 · 9 citations
    9. Hair casts. A clinical and morphologic study Archives of dermatology · 1985 · 6 citations
    10. Hair casts (pseudonits) CMAJ. Canadian Medical Association journal · 2012 · 5 citations
    11. Generalized Hair Casts Due to Traction Pediatric dermatology · 2013 · 4 citations
    12. Hair Casts Dermatology · 1991 · 4 citations
    13. Hair casts Indian dermatology online journal · 2014 · 3 citations
    14. Hair casts or pseudonits JAMA · 1977 · 3 citations
    15. Adult Onset Hair Casts: Nits Which Do Not Itch! PubMed · 2017 · 2 citations
    16. [Translated article] Hair Casts: Trichoscopic Clues Actas Dermo-Sifiliográficas · 2022
    17. Hair casts Journal of The American Academy of Dermatology · 2012
    18. 55 cases of allergic reactions to hair dye: a descriptive, consumer complaint‐based study Contact Dermatitis · 2002 · 98 citations
    19. Three cases of liver toxicity with a dietary supplement intended to stop hair loss. PubMed · 2014 · 6 citations
    20. Two cases of aplasia cutis congenita with hair collar signs and macrophage hyperplasia The Journal of Dermatology · 2019 · 2 citations
    21. Two Cases of Allergic Contact Dermatitis to Hinokitiol and Pantothenylethylether in Hair Growth Promoter Skin research · 1997 · 1 citations
    22. Three cases of liver toxicity with a dietary supplement intendedto stop hair loss Sociedad (University of Buenos Aires) · 2014
    23. Cases: Severe burns to scalp caused by hair bleaching Clinical Risk · 2007
    24. Three cases of hair loss analyzed by the point of view of the analytical psychology International Journal of Trichology · 2017 · 1 citations
    25. Hair Tourniquet Syndrome of the Toe: Report of 2 New Cases Journal of Pediatric Orthopaedics · 2009 · 17 citations
    26. Hair follicle tumors in dogs: A report of two cases Indian Journal of Veterinary Pathology · 2015 · 1 citations
    27. Topical Diclofenac 3% Gel for Actinic Keratosis May Induce Terminal Hair in Male Androgenetic Alopecia: A Report of Three Cases Journal of skin and stem cell · 2015
    28. Hair loss in women with hyperandrogenism: Four cases responding to finasteride Journal of The American Academy of Dermatology · 2002 · 92 citations
    29. Acute hair loss on the limbs in frontal fibrosing alopecia: a clinicopathological study of two cases 2010 · 31 citations
    30. Two cases of stroke associated with the use of finasteride,an approved drug for male-pattern hair loss in Japan Rinshō shinkeigaku · 2014 · 7 citations