Saturday, January 12, 2013

Infected orthokeratinized odontogenic cyst: a rare cause of facial cellulitis.

Infected orthokeratinized odontogenic cyst: a rare cause of facial cellulitis.

Oct 2012


Department of Oral Pathology, Dental School, Federal University of Rio Grande do Norte, Natal, RN, Brazil.


Orthokeratinized odontogenic cysts (OOCs) are relatively uncommon developmental cysts lined with orthokeratinized epithelium consisting of a prominent granular layer and a basal layer of low cuboidal flattened cells that show no tendency for nuclear palisading. These cysts have been considered a distinct entity from odontogenic keratocysts since they exhibit a less aggressive behavior and a very low rate of recurrence. Developmental odontogenic cysts can become infected but serious complications, such as potentially life-threatening cellulitis, are rare. This report describes a rare case of facia lcellulitis secondary to an infected OOC located in the mandible of a 27-year-old man. The relevant literature about the clinical-pathological features of OOC is reviewed.

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