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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists

Year : 2022  |  Volume : 26  |  Issue : 1  |  Page : 130
Incidental finding of orthokeratinized odontogenic cyst with unusual features

1 Department of Oral Pathology and Microbiology, Regional Institute of Medical Sciences, Imphal, Manipur, India
2 Department of Conservative Dentistry and Endodontics Dental College, Regional Institute of Medical Sciences, Imphal, Manipur, India

Correspondence Address:
D B Nandini
Department of Oral Pathology and Microbiology, Dental College, Regional Institute of Medical Sciences, Imphal, Manipur
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jomfp.jomfp_133_21

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Orthokeratinized odontogenic cyst (OOC) is a rare developmental odontogenic cyst occurring in the jaw with debated etiology. It was originally believed to be a variant of odontogenic keratocyst (OKC) but is now considered to be a distinct entity. The majority of the cases occur in the third and fourth decades of life. The common site is the mandibular posterior region with a male predilection. Swelling is the most common symptom which may be accompanied by pain, although in most cases, the lesion is asymptomatic. These lesions mostly present as unilocular radiolucency often associated with an impacted tooth. They may mimic dentigerous cyst and OKC in radiologic and histopathologic presentation, however, differ in biological behavior, pathogenesis and prognosis in comparison. Hence, making an accurate diagnosis is essential. This article describes an incidental finding of OOC in a 28-year-old female during radiographic investigation for orthodontic treatment. This case showed some rare features such as multilocular radiolucency, nonkeratinized epithelium in areas of inflammation, few cholesterol clefts with giant cells, presence of dentinoid-like material and dystrophic calcification in the capsule.

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Journal of Oral and Maxillofacial Pathology | Published by Wolters Kluwer - Medknow
Online since 15th Aug, 2007