Adolescent with a neoformation made up of two independent histological entities: collision tumor (Organoid nevus associated with trichoblastoma)
DOI:
https://doi.org/10.29176/2590843X.2006Keywords:
Nevus sebaceus of Jadassohn, dermatologic surgery, Neoplasms of adnexal of skinAbstract
The organoid nevus or sebaceous nevus of Jadassohn is a hamartomous proliferation with epidermal differentiation. It is congenital (usually a genetic mosaicism) but it manifests clinically during childhood, because the growth of the lesion is in accordance with age. Its common topography is on the scalp of the head, face, trunk and upper extremities. The typical morphology is an alopecia plaque with an oval appearance or a linear trajectory, circumscribed, solitary, velvety surface or warty appearance, hyperkeratotic and with yellow-brown hyperpigmentation. It is commonly associated with other benign neoplasms, the most frequent being trichoblastoma, however, the possibility of malignant transformation is known, commonly to a basal cell carcinoma. The treatment of aesthetic lesions is surgical, prophylactic removal is controversial and there are variable recurrence rates.
Author Biographies
Krizzia Chanell Tabora Meza, Universidad Evangélica de El Salvador, El Salvador
Residente, primer año de Dermatología, Centro Dermatológico del Hospital Nacional “Dr. Juan José Fernández”, Zacamil. Escuela de Posgrados, Universidad Evangélica de El Salvador.
Raúl Vicente Cabezas Echegoyen, Universidad Evangélica de El Salvador, El Salvador
Residente de segundo año de la especialidad de dermatología, Ministerio de salud, Hospital nacional zacamil-Universidad evangélica de El Salvador. Centroamérica.
Carmen Alexandra Maza-de Franco, Hospital Nacional “Dr. Juan José Fernández”, Zacamil, El Salvador, El Salvador.
Dermatopatóloga, Centro Dermatológico del Hospital Nacional “Dr. Juan José Fernández”, Zacamil, El Salvador, El Salvador.
Silvia Anett Mejía-Rodríguez, Hospital Nacional “Dr. Juan José Fernández”, Zacamil, El Salvador, El Salvador.
Dermatóloga pediatra, Centro Dermatológico del Hospital Nacional “Dr. Juan José Fernández”, Zacamil, El Salvador, El Salvador.
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Copyright (c) 2025 Krizzia Chanell Tabora Meza, Raúl Vicente Cabezas Echegoyen, Carmen Alexandra Maza-de Franco, Silvia Anett Mejía-Rodríguez
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