13 citations
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March 2016 in “Journal of Cutaneous Pathology” This review of 1360 scalp biopsy specimens revealed that 12.5% of cases involved multifactorial alopecia, highlighting the diagnostic complexity of multiple forms of alopecia present in single biopsies.
February 2009 in “Journal of the American Academy of Dermatology” Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.
February 2023 in “Siriraj Medical Journal” This study found that acute alopecia areata features more terminal telogens and vellus hairs, while chronic alopecia areata shows more follicular streamers and nanogen hairs.
14 citations
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September 2016 in “Journal of Cutaneous Pathology” This review discusses the classification and diagnosis of primary scalp alopecia, focusing on scarring and non-scarring types, and reports no new clinical results; it emphasizes simplified diagnostic pathways and tissue processing techniques.
January 2026 in “Skin Appendage Disorders” This study concluded that including intermediate hairs or using relative shaft diameter methods can significantly improve the sensitivity of trichograms in diagnosing female androgenetic alopecia, aligning better with histopathology results.