Nasopalatine Duct Cyst Treated by Transnasal Endoscopic Marsupialization: A Case Report

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Introduction: Nasopalatine duct cyst (NDC) is the most prevalent non-odontogenic cyst emerging from the epithelial remnants in the maxillary incisive canal. A sublabial or transpalatal approach is performed to enucleate NDC completely. More recently, transnasal endoscopic marsupialization has been used gradually. Case Presentation: A 24-year-old male patient with a large nasopalatine duct cyst with a diameter of 51 mm was managed by transnasal endoscopic marsupialization under general anesthesia. The presentation involves painless swelling around the left side of the anterior maxilla and bulging of the hard palate. No postoperative complications were observed after a 3-month follow-up. Transnasal endoscopic marsupialization is a minimally invasive surgery for large NDC. Clinical discussion: Approximately 1% of the population has a nasopalatine duct cyst. Surgical treatment was carried out under general anesthesia; the cyst was dissected and removed using a typically transnasal endoscopic marsupialization technique. Conclusion: The cause of the NDC is unclear. Simple surgical resection and clinical and radiological control are recommended to ensure the case is resolved correctly.

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