Korean J Otorhinolaryngol-Head Neck Surg.  2020 Nov;63(11):528-532. 10.3342/kjorl-hns.2019.00661.

A Case of Nasopalatine Duct Cyst with Cholesterol Granuloma in Maxillary Sinus

  • 1Department of Otorhinolaryngology-Head and Neck Surgery, Bundang Jesaeng General Hospital, Daejin Medical Center, Seongnam, Korea
  • 2Department of Pathology, Bundang Jesaeng General Hospital, Daejin Medical Center, Seongnam, Korea


Nasopalatine duct cysts are the most common non-odontogenic cysts that occur in the maxilla. Cholesterol granulomas, on the other hand, are commonly found in patients with chronic middle ear disease, but rarely occur in the paranasal sinuses. We report a rare case of a 30-year-old woman who was treated for a nasopalatine duct cyst and cholesterol granuloma at the same time. The patient complained of sudden nasolabial pressure and right nasal obstruction from three weeks ago. A 3 cm sized cystic mass, diagnosed as a nasopalatine duct cyst, was observed in the maxilla and haziness of the right maxillary sinus suspected of chronic rhinosinusitis was detected by computerized tomography. Marsupialization of the nasopalatine duct cyst was performed through the endoscopic transnasal approach. Solid mass in the maxillary sinus, diagnosed with cholesterol granuloma by pathology after surgery, was completely removed by endoscopic sinus surgery. The patient was followed up for 18 months without any recurrence or complications.


Cholesterol; Granuloma; Nonodontogenic cysts; Paranasal sinuses
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