Table 1. Case series of nasopalatine duct cysts in Korean Otolaryngology Journals

Study	Case	Sex	Age	Symptom duration	Symptoms	Size (cm)	Treatment
Kang et al. (2007)9)	2	M	29	6 months	Obstruction, swelling	3×4	Sublabial approach
		M	45	Several years	Obstruction	2×3	Transpalatal approach
Chung et al. (2008)10)	1	M	65	2 years (6 days)	Swelling (tenderness)	6×5	Sublabial approach
Cinn et al. (2009)11)	1	M	40	1 month	Obstruction	2.7	Marsupialization
Park et al. (2012)5)	2	M	49	1 year (days)	Swelling, obstruction (purulent discharge)	3	Marsupialization
Han et al.15)	1	M	16	Incidental	No	2.2×2.0×2.7	Marsupialization
		M	52	2 weeks	Swelling, numbness, tenderness	NA	Marsupialization
Hong et al. (2014)6)	5	M	39	NA	Swelling, obstruction, tenderness	2.2	Marsupialization
		M	29	NA	Swelling, obstruction, tenderness	2.7	Marsupialization
		M	19	NA	Swelling, tenderness	2.8	Marsupialization
		M	41	NA	Swelling, obstruction, tenderness	3.1	Marsupialization
Kang et al. (2007)9)	1	M	33	NA	Swelling, tenderness	2.8	Marsupialization
		F	30	3 weeks	Obstruction, tenderness	NA	Marsupialization
Present study	2	M	16	1 month	Numbness, teeth movement	3.3×2.2×2.7	Sublabial approach
		M	28	1 week	Obstruction, swelling, tenderness	5.0×3.0×4.6	Sublabial approach

M: male, F: female, NA: not applicable.