Palisaded encapsulated neuroma clinically mimicking a mucocele: report of a case

ABSTRACT We report the case of a 21-year-old female patient with the chief complaint of a small tumor on the lower left lip. Intraoral examination revealed a two-month evolution nodular lesion on the left labial mucosa, of resilient consistency and asymptomatic. A history of prior trauma was reported by the patient. A provisional diagnosis of mucocele was established, and an excisional biopsy was performed. The diagnosis was palisaded encapsulated neuroma (PEN). As PEN is considered underdiagnosed by many authors, a discussion on the morphologic diagnostic criteria of this lesion will be provided.

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Bibliographic Details
Main Authors: Cunha,John Lennon S., Silva,Amanda F., Rocha,Raimundo S., Silveira,Ericka Janine D., Albuquerque Jr.,Ricardo Luiz C.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Patologia Clínica 2018
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1676-24442018000300189
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