Oral epidermoid cyst. A case report

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ABSTRACT

Results

BACKGROUND: Paediatric epidermoid cysts are the rare lesions in the oral cavity, especially under the age of 10 years.
They appear in the midline of the mouth usually as a result of residual ectodermal tissue of the first and second branchial arches, which
fuse during the third and fourth weeks of intra-uterine life. CASE REPORT: We present a case of a male patient aged 8 years with
swelling of the floor of the mouth, complaining of difficulty in swallowing. The ultrasonographic finding was infected ranula with a
differential diagnosis of foregut duplication cyst and dermoid cyst. The cyst was surgically enucleated and was diagnosed as epidermoid
cyst after histopathology. At the 18-month follow-up the cyst had not recurred.

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