Areata-Like Lupus as a Clinical Manifestation of Cutaneous Lupus Erythematosus
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Citações na Scopus
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Tipo de produção
article
Data de publicação
2022
Título da Revista
ISSN da Revista
Título do Volume
Editora
S. KARGER AG
Autores
SECCHIN, P.
VERUSSA, M. J. M. C.
Citação
SKIN APPENDAGE DISORDERS, v.8, n.4, p.322-327, 2022
Resumo
Introduction: Lupus erythematosus (LE) is a chronic autoimmune disease that frequently causes hair loss and scalp lesions. Hair loss can be scarring and nonscarring, diffuse, or patchy. The nonscarring patchy alopecia is usually related to systemic LE (SLE) and may simulate alopecia areata (AA), reason why it is named areata-like lupus. Our case was diagnosed with areata-like lupus but did not meet criteria for SLE. Case Report: A 63-year-old woman presented with irregular nonscarring patchy alopecia in the temporal and frontoparietal scalp. Trichoscopy showed exclamation mark hairs, vellus hairs, and sparse yellow dots. Histology revealed epidermal vacuolar interface dermatitis, lymphohistiocytic infiltrate around the bulbs of anagen follicles, and eccrine glands. Direct immunofluorescence showed deposits of C3, IgA, and IgG in the basement membrane zone. Discussion: Patients with cutaneous LE can also manifest as nonscarring patchy alopecia that is clinically similar to AA, despite the absence of systemic manifestations. Areata-like lupus is secondary to the lupus autoimmune infiltrate that affects the skin including the hair follicles. Trichoscopy, histology, and direct immunofluorescence are important to differentiate this form of alopecia from AA, which is believed to have a higher incidence in lupus patients.
Palavras-chave
Alopecia areata, Areatalike lupus, Cutaneous lupus erythematosus, Exclamation mark hair, Tapering hair
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