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

Year : 2020  |  Volume : 24  |  Issue : 3  |  Page : 592
Pigmented lateral periodontal cyst: A case report and review of pigmented odontogenic cysts

1 Department of Oral Diagnostic Sciences, Creighton University School of Dentistry, Omaha, NE, USA
2 Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, Alton, IL, USA
3 Department of Oral and Maxillofacial Diagnostic Sciences, University of Florida College of Dentistry, Gainesville, FL, USA

Correspondence Address:
Jasbir Deol Upadhyaya
Department of Applied Dental Medicine, Southern Illinois University School of Dental Medicine, 2800 College Avenue, Alton, IL 62002
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jomfp.JOMFP_179_20

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Pigmented odontogenic cysts are uncommon and to date, only 37 cases have been reported in the English literature. Here, we report a case of a pigmented lateral periodontal cyst (LPC) in the maxilla of a 48-year-old female. The patient presented with clinical swelling in the maxillary anterior region. Microscopic features of the biopsied specimen were consistent with a diagnosis of LPC. The epithelial cyst lining exhibited numerous coarse granules of melanin pigment, which was confirmed by S-100 immunohistochemistry and Fontana-Masson bleach histochemical method. Almost all documented cases of pigmented odontogenic cysts have occurred in Asians and African-Americans, with only three cases in white patients. Racial pigmentation may have a role in the pathogenesis of these lesions. Although the origin and pathologic significance of melanocytes in these pigmented intraosseous lesions cannot be explained, it may be something to consider for investigation in future.

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