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2022, Number 2

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Dermatología Cosmética, Médica y Quirúrgica 2022; 20 (2)

Squamous cell carcinoma associated with alopecic plaque of lichen planus pilar

Alvarado-Delgadillo A, Esquivel-Pinto IA, Ramírez-González JY

Language: Spanish
References: 10
Page: 169-172
PDF size: 791.99 Kb.


ABSTRACT

Lichen planus pilaris (LPP) was first described by Pringle in 1895. The etiology of lichen planus pilaris is still not well understood, but it represents one of the main causes of cicatricial alopecia. Association of malignant neoplasms such as squamous cell carcinoma has been reported in patients with oral lichen planus and less frequently in cutaneous lichen planus, however reports in lichen planus pilar are isolated.
We present the case of a 52-year-old male patient with 20-year-old history of cicatricial alopecia due to lichen planus pilar with development of squamous cell carcinoma (SC) in situ on alopecic plaque.
It is important to consider that the association of very longstanding LPP and the development of SC may be related to the chronic inflammatory process of the LPP and the increased exposure to solar radiation in alopecic plaques.


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