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REFERENCES 1. Regezi JA, Sciubba JJ, Jordan RCK, Regezi JA. Oral pathology: clinical pathologic correlations. Seventh ed. St. Louis, MO: Elsevier/Saunders; 2017. Figure 2: A well-defined, partially corticated radiolucency present at the apex of tooth #9 representing a periapical cyst. 2. Eguchi T, Ishida R, Ara H, Hamada Y, Kanai I. A diffuse traumatic neuroma in the palate: a case report. Journal of medical case reports 2016;10(1):116. 3. Gnepp DR. Diagnostic Surgical Pathology of the Head and Neck E-Book: Elsevier Health Sciences; 2009. 4. Neville BW, Damm DD, Allen CM, Chi AC. Oral and maxillofacial pathology. Fourth ed. St. Louis, MO: Elsevier; 2016. 5. Jham BC, Costa NL, Batista AC, Mendonça EF. Traumatic neuroma of the mandible: A case report with spontaneous remission. Journal of clinical and experimental dentistry 2014;6(3):e317. 6. Ngamsom S, Nakamura S, Kabasawa Y, et al. Imaging findings of intraosseous traumatic neuroma of the mandible. Oral Radiology 2017:1-5. 7. Shah SS, Ghannoum J, Carness A, Freedman PD. Intraosseous traumatic neuroma of the maxilla after excision of giant cell granuloma: a case report. Journal of oral and maxillofacial surgery 2004;62(9):1161-64. 8. Cui QL, Khan D, Rone M, et al. Sublethal oligodendrocyte injury: A reversible condition in multiple sclerosis? Ann Neurol 2017;81(6):811-24. Figure 3: A well-circumscribed, heart-shaped radiolucency superior to the maxillary central incisors representing a nasopalatine duct cyst. 9. Kim HP, Choi SY. An analysis of 306 radicular cysts. Oral Radiology 1985;1(1):61-67. 10. Singhal I, Vijay P, Pardhe N, Bajpai M. Radicular cyst: case report. Journal of Oral Medicine, Oral Surgery, Oral Pathology and Oral Radiology 2016;2(3):190-92. 11. Flint PW, Haughey BH, Lund VJ, et al. Cummings otolaryngology--head & neck surgery. Sixth ed. Philadelphia, PA: Elsevier/Saunders; 2015. 12. Matijević S, Jovivić B, Bubalo M, Dukić S, Cutović T. Treatment of a large radicular cyst-enucleation or decompression? Vojnosanitetski pregled 2015;72(4):372-74. 13. Nelson BL, Linfesty RL. Nasopalatine duct cyst. Head Neck Pathol 2010;4(2):121-2. 14. Shylaja S, Balaji K, Krishna A. Nasopalatine duct cyst: Report of a Case with Review of Literature. Indian Journal of Otolaryngology and Head & Neck Surgery 2013;65(4):385-88. 15. Srivastava S, Misra N, Agarwal R, Pandey P. Nasopalatine canal cyst: often missed. BMJ case reports 2013;2013:bcr2012007548. Figure 4: A rather large, well-defined, partially corticated KCOT/OKC observed in the maxillary region over the apices of teeth #12 and #13. 16. Perumal CJ. An unusually large destructive nasopalatine duct cyst: a case report. J Maxillofac Oral Surg 2013;12(1):100-4. 17. Barnes L. Pathology and genetics of head and neck tumours: IARC; 2005. 18. Godhi SS, Kukreja P. Keratocystic odontogenic tumor: a review. Journal of maxillofacial and oral surgery 2009;8(2):127-31. 19. Bhargava D, Deshpande A, Pogrel MA. Keratocystic odontogenic tumour (KCOT)—a cyst to a tumour. Oral and maxillofacial surgery 2012;16(2):163-70. 20. Gonzalez-Alva P, Tanaka A, Oku Y, et al. Keratocystic odontogenic tumor: a retrospective study of 183 cases. J Oral Sci 2008;50(2):205-12. JAN UARY/FEBRUARY 2018 | P EN N SYLVAN IA DEN TAL JOURNAL 23