Escoda Francolí J, Almendros Marqués N, Berini Aytés L, Gay Escoda C Nasopalatine duct cyst: report of 22 cases and review of the literature. Med Oral Patol Oral Cir Bucal. 2008; 13:E438-443
McCrea SJ Nasopalatine duct cyst, a delayed complication to successful dental implant placement: diagnosis and surgical management. J Oral Implantol. 2014; 40:189-195 https://doi.org/10.1563/AAID-JOI-D-12-00011
Shylaja S, Balaji K, Krishna A Nasopalatine duct cyst: report of a case with review of literature. Indian J Otolaryngol Head Neck Surg. 2013; 65:385-388 https://doi.org/10.1007/s12070-011-0242-6
AlQahtani M, AlDossari A, Nasser A Nasopalatine duct cyst: a diagnostic dilemma. Dent Oral Craniofacial Res. 2018; 4:1-6
This case report describes the presentation of a nasopalatine duct cyst in a 27-year-old orthodontic patient. The patient presented with pain in the anterior hard palate and a Class II division 2 occlusion with a complete overbite. The cyst was discovered upon further radiographic investigation. Following discussion at a joint orthognathic clinic, the decision was made to leave the cyst under active monitoring and review the patient clinically and radiographically after 12 months.
CPD/Clinical Relevance:
Nasopalatine duct cysts are common, therefore awareness of their clinical and radiographic features and treatment options is essential.
Article
Accounting for approximately 1% of all maxillary cysts, nasopalatine duct cysts (NPDCs) are the most common type of epithelial lined non-odontogenic cystic lesion of the oral cavity.1 Arising from the midline of the anterior palate, it is believed their origin is from the embryonic remnants of the nasopalatine duct, which ordinarily undergoes progressive degeneration.2 They mostly occur between the fourth and sixth decades of life and are more frequent in males than females (3:1).3
While the aetiology of NPDCs remains unknown, factors attributed to the cause of these cysts include local trauma to the area during mastication, ill-fitting prosthesis, bacterial infection, spontaneous proliferation, and blockage of glandular tissue.1
NPDCs are usually asymptomatic, typically being discovered as an incidental finding on a radiograph or during routine examination.4 If a patient does present with symptoms, the most common is swelling of the anterior palate at the incisive papilla. Other reported symptoms include intermittent pain, itching or a burning sensation of the anterior palate which is likely due to compression of the nasopalatine nerve.1,4,5 Resorption of overlying bone can result in a fluctuant swelling with a blue appearance, a foul taste may be reported if there is associated mucoid discharge.4
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