Epidermoid cyst: highlights on diagnosis and magnetic resonance imaging features

Larissa Santana Arantes Elias, Angélica Ferreira Oton-Leite, Clóvis Martins Silva, Rejane Faria Ribeiro-Rotta, Aline Carvalho Batista, Elismauro Francisco de Mendonça

Abstract


Purpose: Epidermoid and dermoid cysts are extremely rare developmental cysts of a benign nature, which may occur anywhere in the body, although about 7% are found in the head and neck. This article reports a clinical case of a patient who had an epidermoid cyst and its magnetic resonance imaging (MRI) features.
Case report: This case discusses an epidermoid cyst in a 36-year-old woman complaining about speech difficulty. Clinical examination revealed an extensive swelling on the floor of the mouth. MRI findings showed a cystic homogenous lesion located underneath the mylohyoid muscle which was removed by surgery. Histological examination of the mass confirmed the diagnosis of an epidermoid cyst.
Conclusion: We concluded that MRI was considered useful for a more accurate diagnosis prior to treatment.

Keywords


Epidermoid cyst; dermoid cyst; magnetic resonance images; differential diagnosis

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e-ISSN: 1980-6523

ISSN-L: 0102-9460

 

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