Agminated atypical melanocytic nevus associated with Langerhans cell histiocytosis

Agminated nevus refers to the presence of multiple nevi grouped in a circumscribed skin area; it is rarely reported in the literature. This report presents the case of a 10-year-old female patient with a history of Langerhans cell histiocytosis, who presents multiple nevi in the lumbar and inguinal...

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Bibliographic Details
Published in:Anais brasileiros de dermatología 2019-07, Vol.94 (4), p.455-457
Main Authors: Carreno-Gayosso, Ehekatzin Arturo, Hernández-Peralta, Sarah Lizette, Guevara-Gutiérrez, Elizabeth, Solís-Ledezma, Guillermo
Format: Article
Language:English
Subjects:
Case Report
Child
DERMATOLOGY
Dermoscopy
Dysplastic nevus syndrome
Female
Histiocytosis, Langerhans-cell
Histiocytosis, Langerhans-Cell - pathology
Humans
Lumbosacral Region
Nevus, pigmented
Nevus, Pigmented - pathology
Skin Neoplasms - pathology
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Summary:Agminated nevus refers to the presence of multiple nevi grouped in a circumscribed skin area; it is rarely reported in the literature. This report presents the case of a 10-year-old female patient with a history of Langerhans cell histiocytosis, who presents multiple nevi in the lumbar and inguinal region. In the histopathological study, an atypical melanocytic nevus was reported. Wood’s lamp examination discarded the presence of nevus spilus, and the diagnosis of agminated nevus was reached. The association of this type of nevus with Langerhans cell histiocytosis is rare, and only four cases were found reported in the indexed literature. The reason for this association is unknown, thus a new theory about its origin is presented here.
ISSN:0365-0596
1806-4841
1806-4841
DOI:10.1590/abd1806-4841.20198620