1. Speight P, Wright JM. Nasopalatine duct cyst. Odontogenic and non-odontogenic developmental cysts. In: El-Naggar AK, Chan JKC, Grandis JR, Takata T, Slootweg PJ, editors. WHO classification of head and neck tumors. 4th ed. Lyon: International Agency for Research on Cancer; 2017. p. 241–2.
2. Lam EWN. Nasopalatine duct cyst. Nonodontogenic cysts. In: Mallya SM, Lam EWN, editors. White and Pharoah’s oral radiology principles and interpretation. 8th ed. St Louis: Elsevier; 2019. p. 400–2.
3. Moss HD, Hellstein JW, Johnson JD. Endodontic consideration of the nasopalatine duct region. J Endod. 2000;26:107–10.
4. Faitaroni LA, Bueno MR, Carvalhosa AA, Mendonça EF, Estrela C. Differential diagnosis of apical periodontitis and nasopalatine duct cyst. J Endod. 2011;37:403–10.
5. Suter VGA, Büttner M, Altermatt HJ, Reichart PA, Bronstein MM. Expansive nasopalatine duct cysts with nasal involvement mimicking apical lesions of endodontic origin: a report of two cases. J Endod. 2011;37:1320–6.