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Ginecol. obstet. Méx ; 86(9): 621-626, feb. 2018. tab, graf
Article in Spanish | LILACS | ID: biblio-984486

ABSTRACT

Resumen ANTECEDENTES: El nevo comedónico es un tumor benigno del aparato pilosebáceo. Puede aparecer en topografía poco habitual, como la región mamaria. Es de manifes-tación aislada o puede formar parte del síndrome de nevo comedónico. No precisa tratamiento, salvo por motivos estéticos o complicaciones. CASO CLINICO: Paciente de 45 años que acudió a consulta por una dermatosis locali-zada en el tronco, unilateral, dispuesta linealmente, que afectaba la línea axilar media y la región mamaria derecha. Caracterizada por una placa de 4 x 1 cm, conformada por comedones abiertos. El padecimiento se inició durante la infancia, asintomático, sin aumento de la dermatosis. En la dermoscopia se observaron tapones de queratina color negro de 3 mm de diámetro. La biopsia incisional reportó que se trataba de un nevo comedónico. CONCLUSION: El nevo comedónico es un tumor poco frecuente que puede aparecer en la región mamaria y debe reconocerse como padecimiento benigno.


Abstract BACKGROUND: Comedonic nevus is a rare benign tumor of the pilo-sebaceous unit which can occur in unusual topography such as the mammary region. It can have an isolated presentation or as part of the nevus comedonic syndrome. There is no treat-ment except for aesthetic reasons or secondary complications. CLINICAL CASE: A 45- year-old patient presented with a unilateral, linearly arranged dermatosis located on the trunk, affecting the axillary midline and the right mam-mary region. Characterized by a plaque of 4 x 1 cm, formed by open comedons. Starts from childhood and referred as asymptomatic, it has not presented changes during life. By dermoscopy 3mm diameter black keratin plugs were observed. An incisional biopsy was performed and sent to a histopathological study, which reported as comedonic nevus. CONCLUSION: Comedonic nevus is a rare tumor that can occur in the mammary region and must be recognized as a benign entity.

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