Li et al. Journal of Medical Case Reports 2011, 5:583 http://www.jmedicalcasereports.com/content/5/1/583 Competing interests The authors declare that they have no competing interests. Received: 13 April 2011 Accepted: 20 December 2011 Published: 20 December 2011 References 1. Brenner KE, Oca MJ, Donn SM: Congenital choanal atresia in siblings. J Perinatol 2000, 20:443-444. 2. Vanzieleghem BD, Lemmerling MM, Vermeersch HF, Govaert P, Dhooge I, Meire F, Mortier GR, Leroy J, Kunnen MF: Imaging studies in the diagnostic workup of neonatal nasal obstruction. J Comput Assist Tomogr 2001, 25:540-549. 3. Tambwekar SR, Aiyer PM, Vij VK: Supernumerary nostril in association with incomplete naso-ocular cleft. Plast Reconstr Surg 1997, 100:682-684. 4. Sadek SAA: Congenital bilateral choanal atresia. Int J Pediatr Torhinolaryngol 1998, 42:247-256. 5. Brown OE, Pownell P, Manning SC: Choanal atresia: A new anatomic classification and clinical management applications. Laryngoscope 1996, 106:97-101. 6. Carbonell Casasus J, Cánovas Llorens DL: Malformations associated with choanal atresia: a report of 7 cases. Acta Otorrinolaringol Esp 1994, 45:281-286. 7. Burrow TA, Saal HM, de Alarcon A, Martin LJ, Cotton RT, Hopkin RJ: Characterization of congenital anomalies in individuals with choanal atresia. Arch Otolaryngol Head Neck Surg 2009, 135:543-547. 8. Southwell KE, Bird PA, Murray DP: Cochlear implantation in children with CHARGE syndrome. Cochlear Implants Int 2010, 11:170-183. 9. Verloes A: Updated diagnostic criteria for CHARGE syndrome: a proposal. Am J Med Genet A 2005, 133A:306-308. 10. Jefferson Y: Mouth breathing: adverse effects on facial growth, health, academics, and behavior. Gen Dent 2010, 58:18-25, quiz 26-27, 79-80. 11. Castelnuovo P, Valentini V, Giovannetti F, Bignami M, Cassoni A, Iannetti G: Osteomas of the maxillofacial district: endoscopic surgery versus open surgery. J Craniofac Surg 2008, 19:1446-1452. 12. McHugh JB, Mukherji SK, Lucas DR: Sino-orbital osteoma: a clinicopathologic study of 45 surgically treated cases with emphasis on tumors with osteoblastoma-like features. Arch Pathol Lab Med 2009, 133:1587-1593. 13. Blum ME, Larson A: Mucocele of the sphenoid sinus with sudden blindness. Laryngoscope 1973, 83:2042-2049. 14. Karapantzos I, Detorakis ET, Drakonaki EE, Ganasouli DL, Danielides V, Kozobolis VP: Ethmoidal osteoma with intraorbital extension: excision through a transcutaneous paranasal incision. Acta Ophthalmol Scand 2005, 83:392-394. 15. Yiotakis I, Eleftheriadou A, Giotakis E, Manolopoulos L, Ferekidou E, Kandiloros D: Resection of giant ethmoid osteoma with orbital and skull base extension followed by duraplasty. World J Surg Oncol 2008, 6:110. 16. Chang KC, Kwon JW, Han YK, Wee WR, Lee JH: The epidemiology of cosmetic treatments for corneal opacities in a Korean population. Korean J Ophthalmol 2010, 24:148-154. 17. Speakman JS, Crawford JS: Congenital opacities of the cornea. Brit J Ophthal 1965, 50:68-78. 18. Bowman RJC, Faal H, Dolin P, Johnson GJ: Non-trachomatous corneal opacities in the Gambia–aetiology and visual burden. Eye 2002, 16:27-32. 19. Yi CH, Lee DH, Chung ES, Chung TY: A comparison of posterior lamellar keratoplasty modalities: DLEK vs. DSEK. Korean J Ophthalmol 2010, 24:195-200. doi:10.1186/1752-1947-5-583 Cite this article as: Li et al.: Bilateral congenital choanal atresia and osteoma of ethmoid sinus with supernumerary nostril: a case report and review of the literature. Journal of Medical Case Reports 2011 5:583. Page 5 of 5 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color ﬁgure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit