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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. Pigmented Casts The American Journal of Dermatopathology · 2013 · 16 citations
    2. Perinevoid Alopecia: Report of Two Cases and Literature Review Clinical, cosmetic and investigational dermatology · 2023 · 1 citations
    3. Leucoderma Associated with the Use of Topical Minoxidil: A Report of Two Cases Dermatology · 2000 · 15 citations
    4. Lichen Planus Pigmentosus in North Africa: A Series of 17 Cases Dermatology - Open Journal · 2019 · 4 citations
    5. Clinical and microscopic features of generalized discoid lupus erythematosus in dogs (10 cases) Veterinary dermatology · 2016 · 20 citations
    6. 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
    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. Diagnosis: Alopecia areata or not? Seminars in Cutaneous Medicine and Surgery · 1999 · 6 citations
    10. Pathologic Quiz Case: Unexplained Hair Loss—1 Boy, 2 Cats, and 1 Dog Archives of Pathology & Laboratory Medicine · 2003 · 1 citations
    11. 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
    12. Histologic features of alopecia areata other than peribulbar lymphocytic infiltrates 2011 · 53 citations
    13. 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
    14. Histopathologic profile of alopecia areata in Indian patients International Journal of Trichology · 2010 · 9 citations
    15. Chronic Alopecia Archives of Dermatology · 1995
    16. Alopecia Following Deoxycholic Acid Treatment for Submental Adiposity JAMA Facial Plastic Surgery · 2019 · 17 citations
    17. Pigmented Epithelioid Melanocytoma (PEM)/Animal Type Melanoma (ATM): Quest for an Origin. Report of One Unusual Case Indicating Follicular Origin and Another Arising in an Intradermal Nevus International journal of molecular sciences · 2017 · 4 citations
    18. 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
    19. Patchy alopecia areata sparing gray hairs: a case series Postępy Dermatologii i Alergologii · 2014 · 13 citations
    20. Granulomatous pigmented purpuric dermatosis containing Propionibacterium acnes European Journal of Dermatology · 2018 · 8 citations
    21. Black hair dye dermatitis: Still a major skin problem and commonly mimicking chronic actinic dermatitis Our Dermatology Online · 2026
    22. [Translated article] Hair Casts: Trichoscopic Clues Actas Dermo-Sifiliográficas · 2022
    23. Influence of Atopic Dermatitis on the Dermoscopic Phenotype of Positive Patch Test Reactions: A Prospective Comparative Study Life · 2026
    24. 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
    25. Impact of electrical impedance spectroscopy on dermatologists' number needed to biopsy metric and biopsy decisions for pigmented skin lesions Journal of the American Academy of Dermatology · 2020 · 14 citations
    26. Dermoscopy of a Congenital Pigmented Lesion: A Case of Supernumerary Nipple Indian Dermatology Online Journal · 2026
    27. Lichen planus pigmentosus (LPP) and lichen planus pigmentosus: 35 cases in Armenia, Colombia Journal of The American Academy of Dermatology · 2015 · 1 citations
    28. [Basal cell carcinomas of the scalp. Review of 77 patients with 81 tumors]. PubMed · 1988 · 3 citations
    29. Scalp Micropigmentation Is an Effective Treatment for Localized Alopecia: Technical Analysis and a Series of Ten Case Reports Journal of Cosmetic Dermatology · 2025
    30. A patient with diffuse hair loss Indian Dermatology Online Journal · 2015