Nasal dermoid cysts are the commonest midline nasal defect. Histologicaly they contain both ectodermal and embryonal elements. Complete surgical excision is the recommended treatment. If left untreated there is potential for infection and consequent significant morbidity: brain abscess, meningitis, and frontal osteomyelitis.
Preoperative imaging is mandatory in order to assess the extent of lesion including whether intracranial extension is present. Magnetic resonance imaging (MRI) and computerized tomography (CT) provide complementary information. The optimum surgical approach for each patient depends upon the site and extent of the dermoid cyst, as determined by both clinical and radiological factors.
Nasal mass Midline nasal mass Dermoid cyst Nasal dermoid
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