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Lichenoid folliculitis: A unifying concept.

Abstract

Skin diseases presenting with keratotic papules, atrophy, cicatricial alopecia and/or "lichenoid" histopathologic changes have been described under at least 30 names. This family of diseases contains 2 subgroups, largely based on clinical features: keratosis pilaris atrophicans (KPA; including keratosis pilaris atrophicans faciei/ulerythema ophryogenes, atrophoderma vermiculatum, and keratosis follicularis spinulosa decalvans); and the lichen planopilaris (LPP) subgroup (including LPP, frontal fibrosing alopecia, Graham-Little-Piccardi-Lassueur Syndrome and fibrosing alopecia in a pattern distribution). An interface dermatitis with lichenoid inflammation is characteristic of the LPP group of disorders, but the literature provides scant information about the histopathology of the KPA group. Our experience has been that the 2 subgroups show a unifying histologic similarity as well as considerable clinical overlap. Because these conditions overlap clinically and histologically, we propose that the term lichenoid folliculitis (LF) be used to refer to this group of diseases, thus simplifying cumbersome nomenclature and highlighting the possibility of shared pathogenesis and treatment options.

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  • Authors+Show Affiliations

    ,

    Department of Pathology and Laboratory Medicine, Division of Dermatopathology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, Maryland.

    Department of Dermatology, Uniformed Services University of the Health Sciences, Los Angeles, Maryland.

    Source

    Journal of cutaneous pathology 44:7 2017 Jul pg 647-654

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    28345255

    Citation

    Turegano, Mamina M., and Leonard C. Sperling. "Lichenoid Folliculitis: a Unifying Concept." Journal of Cutaneous Pathology, vol. 44, no. 7, 2017, pp. 647-654.
    Turegano MM, Sperling LC. Lichenoid folliculitis: A unifying concept. J Cutan Pathol. 2017;44(7):647-654.
    Turegano, M. M., & Sperling, L. C. (2017). Lichenoid folliculitis: A unifying concept. Journal of Cutaneous Pathology, 44(7), pp. 647-654. doi:10.1111/cup.12938.
    Turegano MM, Sperling LC. Lichenoid Folliculitis: a Unifying Concept. J Cutan Pathol. 2017;44(7):647-654. PubMed PMID: 28345255.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Lichenoid folliculitis: A unifying concept. AU - Turegano,Mamina M, AU - Sperling,Leonard C, Y1 - 2017/05/05/ PY - 2016/12/28/received PY - 2017/03/13/revised PY - 2017/03/21/accepted PY - 2017/3/28/pubmed PY - 2017/3/28/medline PY - 2017/3/28/entrez KW - cicatricial alopecia KW - keratosis pilaris atrophicans KW - lichen planopilaris KW - lichenoid folliculitis KW - scarring alopecia SP - 647 EP - 654 JF - Journal of cutaneous pathology JO - J. Cutan. Pathol. VL - 44 IS - 7 N2 - Skin diseases presenting with keratotic papules, atrophy, cicatricial alopecia and/or "lichenoid" histopathologic changes have been described under at least 30 names. This family of diseases contains 2 subgroups, largely based on clinical features: keratosis pilaris atrophicans (KPA; including keratosis pilaris atrophicans faciei/ulerythema ophryogenes, atrophoderma vermiculatum, and keratosis follicularis spinulosa decalvans); and the lichen planopilaris (LPP) subgroup (including LPP, frontal fibrosing alopecia, Graham-Little-Piccardi-Lassueur Syndrome and fibrosing alopecia in a pattern distribution). An interface dermatitis with lichenoid inflammation is characteristic of the LPP group of disorders, but the literature provides scant information about the histopathology of the KPA group. Our experience has been that the 2 subgroups show a unifying histologic similarity as well as considerable clinical overlap. Because these conditions overlap clinically and histologically, we propose that the term lichenoid folliculitis (LF) be used to refer to this group of diseases, thus simplifying cumbersome nomenclature and highlighting the possibility of shared pathogenesis and treatment options. SN - 1600-0560 UR - https://www.unboundmedicine.com/medline/citation/28345255/Lichenoid_folliculitis:_A_unifying_concept L2 - https://doi.org/10.1111/cup.12938 DB - PRIME DP - Unbound Medicine ER -