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    Did you mean Pigment Casts?
    Glossary Pigment Casts

    cylindrical structures in hair follicles containing melanin

    Pigment casts are cylindrical structures found in hair follicles that contain melanin, the pigment responsible for hair color. They can be observed under a microscope and are often associated with certain hair disorders, such as trichotillomania (hair-pulling disorder) or alopecia areata, where they indicate abnormal hair growth or damage.

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    1. Severe diffuse non-scarring hair loss in systemic lupus erythematosus - clinical and histopathological analysis of four cases Journal of the European Academy of Dermatology and Venereology · 2011 · 15 citations
    2. Pathologic Quiz Case: Unexplained Hair Loss—1 Boy, 2 Cats, and 1 Dog Archives of Pathology & Laboratory Medicine · 2003 · 1 citations
    3. Eosinophils in fibrous tracts and near hair bulbs: A helpful diagnostic feature of alopecia areata Journal of The American Academy of Dermatology · 1997 · 64 citations
    4. Leucoderma Associated with the Use of Topical Minoxidil: A Report of Two Cases Dermatology · 2000 · 15 citations
    5. Alopecia Following Deoxycholic Acid Treatment for Submental Adiposity JAMA Facial Plastic Surgery · 2019 · 17 citations
    6. Permanent alopecia in patients with breast cancer after taxane chemotherapy and adjuvant hormonal therapy: Clinicopathologic findings in a cohort of 10 patients Journal of The American Academy of Dermatology · 2017 · 31 citations
    7. A study of the histopathological features of alopecias on transverse sections of scalp biopsies Indian Journal of Dermatology · 2019 · 3 citations
    8. Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata Dermatology · 2018 · 3 citations
    9. Chronic Alopecia Archives of Dermatology · 1995
    10. Histologic features of alopecia areata other than peribulbar lymphocytic infiltrates 2011 · 53 citations
    11. Diagnosis: Alopecia areata or not? Seminars in Cutaneous Medicine and Surgery · 1999 · 6 citations
    12. Multi-Target Aesthetic Enhancement with 1064 nm Q-Switched Nd:YAG Laser: Face and Body Hair Lightening, Pigment Clearance, and Skin Rejuvenation in Indian Dermatology. PubMed · 2025
    13. BH06 (P100) Dermoscopy and clinicohistopathological profile of lichen planopilaris restricted to the face: a case series of six unusual cases British Journal of Dermatology · 2023
    14. A patient with diffuse hair loss Indian Dermatology Online Journal · 2015
    15. On the etiology of vitiligo and gray hair The American Journal of Medicine · 1971 · 303 citations
    16. Case Report: Repigmentation and complete hair regrowth in an 11-year-old preadolescent with alopecia totalis treated with a JAK inhibitor Frontiers in Pediatrics · 2026
    17. Scalp Dermatoscopic Findings in Androgenetic Alopecia and Their Relations with Disease Severity Annals of Dermatology · 2014 · 30 citations
    18. Female Androgenetic Alopecia amongst Market Women in Lagos, Nigeria. West African journal of medicine · 2021
    19. Female Androgenetic Alopecia amongst Market Women in Lagos, Nigeria. PubMed · 2021
    20. Laser-Induced Koebner-Related Skin Reactions: A Clinical Overview Medicina · 2024 · 13 citations
    21. Erythromelanosis Follicularis Faciei: First Case Report from Saudi Arabia 2003 · 1 citations
    22. Secondary Cicatricial and other Permanent Alopecias Springer eBooks · 2008
    23. Supplementary Material for: Utility of Horizontal Sections of Scalp Biopsies in Differentiating between Androgenetic Alopecia and Alopecia Areata Figshare · 2018
    24. 7. Surgery and Laser Journal of Cutaneous Medicine and Surgery · 2003
    25. Becker's Melanosis and Hypertrichosis* Australasian Journal of Dermatology · 1967 · 3 citations
    26. A girl struggling with extremely unruly hair Journal of the American Academy of Dermatology · 2014
    27. Hair Restoration in Cranial Surgery Patients Hair transplant forum international · 2018 · 1 citations
    28. Vitiligo: A White Patch that Affects the Soul Journal of Pigmentary Disorders · 2017 · 2 citations
    29. Rare Cutaneous Side Effects of Imiquimod: A Review on Its Mechanisms, Diagnosis, and Management Dermatology and Therapy · 2023
    30. An Update on Drug-Induced Pigmentation American Journal of Clinical Dermatology · 2018 · 20 citations