Bilateral Nasolabial Cyst as a Rare Case Report
2016
The etiology, clinical features, and treatment of an extremely rare case of a bilateral nasolabial cyst have been evaluated in this report. A 60-year-old female presented to our clinic with a pain-free swelling above the upper lip for a year and obstruction of the left nasal cavity for two months. On undergoing a physical ENT examination, she showed bulging of both nasal fossae and effacement of the bilateral nasolabial groove with a fluctuating smooth mass. A paranasal sinus CT scan showed a smooth, ovoid mass of 20×13 mm at the right side and 26×22 mm at the left side occupying the floor of the nasal fossa and restricted to the soft parts of the premaxillary region, without any bony destruction. The patient underwent surgical excision under general anesthesia via sublabial approach. Histopathology confirmed the diagnosis of bilateral nasolabial cyst. The patient was asymptomatic during 18-month of postoperative follow-up. Bilateral nasolabial cysts should be considered in the differential diagnosis of cystic masses of the nasal vestibule and deformities of the premaxillary region. Although endonasal endoscopic cyst marsupialization is a relatively new treatment, surgical resection with the sublabial approach is the treatment of choice.
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