Osteonevus of Nanta: a case report in a combined melanocytic nevus

Secondary osteoma cutis is a phenomenon that may occur in several conditions. When it occurs in a melanocytic nevus it is named osteonevus of Nanta, an event considered uncommon and characterized by the presence of bone formation adjacent or interposed with melanocytic cells. There are reports of it...

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Veröffentlicht in:	Anais brasileiros de dermatología 2020-05, Vol.95 (3), p.351-354
Hauptverfasser:	Melo, Elaine Dias, Couto, Patrícia Amaral, Schettini, Antônio Pedro Mendes, Rodrigues, Carlos Alberto Chirano
Format:	Artikel
Sprache:	eng
Schlagworte:	Adult Bone Diseases, Metabolic - pathology Bone Diseases, Metabolic - surgery DERMATOLOGY Dermatopathology Female Heterotopic Humans Immunohistochemistry Melanocytes - pathology Nevus, blue Nevus, intradermal Nevus, Intradermal - pathology Nevus, Intradermal - surgery Nevus, pigmented Nevus, Pigmented - pathology Nevus, Pigmented - surgery Ossification Ossification, Heterotopic - pathology Ossification, Heterotopic - surgery Osteoma Scalp Dermatoses - pathology Scalp Dermatoses - surgery Skin Diseases, Genetic - pathology Skin Diseases, Genetic - surgery Skin Neoplasms - pathology Skin Neoplasms - surgery
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Zusammenfassung:	Secondary osteoma cutis is a phenomenon that may occur in several conditions. When it occurs in a melanocytic nevus it is named osteonevus of Nanta, an event considered uncommon and characterized by the presence of bone formation adjacent or interposed with melanocytic cells. There are reports of its occurrence in various melanocytic lesions, being more frequently associated with intradermal nevus. We report a case of osteonevus of Nanta in combined nevus, possibly the first description of this association.
ISSN:	0365-0596 1806-4841 1806-4841
DOI:	10.1016/j.abd.2019.04.017