Unusual Aggressive Presentation of Orthokeratinized Odontogenic Cyst - A Case Report with Systematic Review of Literature
Journal Title: ​International Journal of Contemporary Medicine surgery and Radiology - Year 2017, Vol 2, Issue 3
Abstract
Introduction: Odontogenic Keratocyst (OKC) is epithelial cyst or true cyst which is odontogenic in nature and developmental in origin. The OKC has two variants Orthokeratinized Odontogenic Cyst (OOC) and Parakeratinized Odontogenic Cyst (POC). OOC is relatively uncommon and was separated from Keratocystic Odontogenic Tumor (KCOT) by World Health Organization (WHO) in the year 2005 in its classification due to its biological behaviour. The incidence of occurrence is only 0.4% of all odontogenic cysts. It is most commonly seen in posterior mandibular region. Radiographic features of OOC are similar to the dentigerous cyst whereas histological characteristics are almost akin to odontogenic keratocyst. In litreture OOC has been described as less aggressive than KCOT. Case Report: This is a report of an unusual presentation of OOC with extensive growth resulting in the hallowing of complete mandible anteroposteriorly from the left canine involving the ascending ramus upto the condyle, with review of literature. Conclusion: The considerable differences between OOC and KCOT variants of odontogenic cysts on the basis of clinical as well as histopathological features make them distinguished so as to be accepted as two separate entitities to be treated accordingly.
Authors and Affiliations
Shubhangi Jedhe Mhaske, Ragini Mulchandani, Swati Saawarn, Sonal Subhash Mandale
Keywords
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