Nasal Dermoid with Intracranial Involvement

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Abstract
Nasal dermoids are unusual lesions resulting from embryopathology. They are diagnosed easily by physical examination. Treatment is complete surgical excision, aided by microsurgical techniques. Involvement of the skullbase is common with "deep-seated" ND, and intracranial involvement is not uncommon. The high-resolution CT scanner is believed to be valuable in diagnosing deep involvement, including intracranial extension. The finding of a bifid crista galli is suggestive of intracranial involvement. Neurosurgical consultation is mandatory for all cases of ND when deep extension is suspected.

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