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Two maxillary lesions containing bony/calcified shells

¹Department of Radiology, Izzet Baysal School of Medicine, Abant Izzet Baysal University, Turkey; ²Department of Otorhinolaryngology, Izzet Baysal School of Medicine, Abant Izzet Baysal University, Turkey; ³Department of Pathology, Izzet Baysal School of Medicine, Abant Izzet Baysal University, Turkey

*Correspondence to: Kamil Gurel, Department of Radiology, Izzet Baysal School of Medicine, Abant Izzet Baysal University, 14280 Golkoy, Bolu, Turkey; E-mail: kamilgurel{at}hotmail.com

Received 23 January 2008; revised 29 April 2008; accepted 7 May 2008

Because of the close anatomical relationship between the maxillary sinus and the adjacent dental region, determining the primary site of cysts in these regions can be a diagnostic dilemma. In this article, two cases with similar radiological findings are presented. These cases had lesions involving the maxillary sinus and the adjacent alveolar process; the lesions were surrounded with egg-shaped, linear opacities. Diagnoses of a residual radicular cyst in one case and a calcified mucocoele (which is very rare) in the other case were predicted with the help of radiological findings and were confirmed surgically and histopathologically.

Keywords: odontogenic cysts, radicular cyst, maxillary sinus, mucocoele, egg shell