Abstract
Midline congenital nasal lesions are rare, occurring in one out of every 20,000-40,000 births. Of these midline lesions, nasal dermoids are the most common. This review centers on diagnosis of nasal dermoids, the role of imaging in diagnosis and surgical planning and the various approaches to surgical management of these lesions. Multiplanar, high-resolution thin section magnetic resonance imaging allows for excellent soft tissue detail, particularly when intracranial extension is expected. Open rhinoplasty is favored by many authors for excision of dermoids. Transnasal endoscopic excision of nasal dermoids has been reported but is not recommended for dermoids extending into or beyond the falx cerebri. Imaging of the midface and brain is essential for accurate diagnosis, assessment for any intracranial extension and appropriate surgical planning. Any surgical approach for removal of nasal dermoid cysts should permit adequate access, allow repair of the skull base and cerebrospinal fluid leak, facilitate nasal reconstruction and result in acceptable cosmesis. The head and neck surgeon should be able to consider various surgical approaches to manage these lesions.
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