Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review
Introduction: Lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) are primary scarring alopecias that few authors consider the same entity, and some consider them different. Objective: We describe and summarize the trichoscopy features of both conditions. Methods: We performed exten...
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Mattioli1885
2025-01-01
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| Series: | Dermatology Practical & Conceptual |
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| author | Shreya K. Gowda Enzo Errichetti Biswanath Behera Vishal Thakur |
| author_facet | Shreya K. Gowda Enzo Errichetti Biswanath Behera Vishal Thakur |
| author_sort | Shreya K. Gowda |
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Introduction: Lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) are primary scarring alopecias that few authors consider the same entity, and some consider them different.
Objective: We describe and summarize the trichoscopy features of both conditions.
Methods: We performed extensive literature search using the PubMed and Google Scholar databases. The Chi-square test was applied to for calculating the proportions of dermoscopic features in LPP and FFA. P- values less than 0.05 were considered statistically significant.
Results: Out of 60 articles, 33 (16 LPP, 17 FFA) were considered for quantitative analysis due to availability in English literature with full text. We found that peripilar cylindrical casts and perifollicular redness with arborizing vessels were predominant features suggesting early LPP. In contrast, yellow dots, perifollicular erythema, and scattered pigmentation suggested active FFA. Shiny white area was seen in both groups in the inactive stages. The target arrangement of blue-grey dots, milky-red areas, and irregularly arranged white fibrotic dots were seen in late LPP, and black dots, lonely hairs, and loss of vellus hairs were detected in the later stages of FFA. Features such as blue-grey structureless areas, blue-white veil, and variability in morphologies of hair shafts were nonspecific.
Conclusion: This article provides a comprehensive literature review, correlating dermoscopic features with histopathological findings and the similarities, differences, and peculiarities of LPP and FFA.
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| format | Article |
| id | doaj-art-95af8b9a53234cb19550ced09b27f3ca |
| institution | Kabale University |
| issn | 2160-9381 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Mattioli1885 |
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| series | Dermatology Practical & Conceptual |
| spelling | doaj-art-95af8b9a53234cb19550ced09b27f3ca2025-02-04T15:41:43ZengMattioli1885Dermatology Practical & Conceptual2160-93812025-01-0115110.5826/dpc.1501a4481Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic ReviewShreya K. Gowda0Enzo Errichetti1Biswanath Behera2Vishal Thakur3Department of Dermatology and Venereology, All India Institute of Medical Sciences, Bhubaneswar, IndiaInstitute of Dermatology, "Santa Maria della Misericordia" University Hospital, Piazzale Santa Maria della Misericordia, Udine, ItalyAssociate professor Department of Dermatology and Venereology, All India Institute of Medical Sciences, Bhubaneswar, India-751019Department of Dermatology and Venereology, All India Institute of Medical Sciences, Bhubaneswar, India-751019 Introduction: Lichen planopilaris (LPP) and frontal fibrosing alopecia (FFA) are primary scarring alopecias that few authors consider the same entity, and some consider them different. Objective: We describe and summarize the trichoscopy features of both conditions. Methods: We performed extensive literature search using the PubMed and Google Scholar databases. The Chi-square test was applied to for calculating the proportions of dermoscopic features in LPP and FFA. P- values less than 0.05 were considered statistically significant. Results: Out of 60 articles, 33 (16 LPP, 17 FFA) were considered for quantitative analysis due to availability in English literature with full text. We found that peripilar cylindrical casts and perifollicular redness with arborizing vessels were predominant features suggesting early LPP. In contrast, yellow dots, perifollicular erythema, and scattered pigmentation suggested active FFA. Shiny white area was seen in both groups in the inactive stages. The target arrangement of blue-grey dots, milky-red areas, and irregularly arranged white fibrotic dots were seen in late LPP, and black dots, lonely hairs, and loss of vellus hairs were detected in the later stages of FFA. Features such as blue-grey structureless areas, blue-white veil, and variability in morphologies of hair shafts were nonspecific. Conclusion: This article provides a comprehensive literature review, correlating dermoscopic features with histopathological findings and the similarities, differences, and peculiarities of LPP and FFA. https://dpcj.org/index.php/dpc/article/view/4481 dermoscopy Lichen planopilaris trichology |
| spellingShingle | Shreya K. Gowda Enzo Errichetti Biswanath Behera Vishal Thakur Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review Dermatology Practical & Conceptual dermoscopy Lichen planopilaris trichology |
| title | Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review |
| title_full | Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review |
| title_fullStr | Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review |
| title_full_unstemmed | Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review |
| title_short | Trichoscopic Features of Lichen Planopilaris versus Frontal Fibrosing Alopecia: A Systematic Review |
| title_sort | trichoscopic features of lichen planopilaris versus frontal fibrosing alopecia a systematic review |
| topic | dermoscopy Lichen planopilaris trichology |
| url | https://dpcj.org/index.php/dpc/article/view/4481 |
| work_keys_str_mv | AT shreyakgowda trichoscopicfeaturesoflichenplanopilarisversusfrontalfibrosingalopeciaasystematicreview AT enzoerrichetti trichoscopicfeaturesoflichenplanopilarisversusfrontalfibrosingalopeciaasystematicreview AT biswanathbehera trichoscopicfeaturesoflichenplanopilarisversusfrontalfibrosingalopeciaasystematicreview AT vishalthakur trichoscopicfeaturesoflichenplanopilarisversusfrontalfibrosingalopeciaasystematicreview |