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| ONLINE ONLY ARTICLES - CASE REPORT |
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| Year : 2020 |
Volume
: 24 | Issue : 3 | Page
: 592 |
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Pigmented lateral periodontal cyst: A case report and review of pigmented odontogenic cysts
Hardeep Kaur Chehal1, Jasbir Deol Upadhyaya2, Indraneel Bhattacharyya3, Mohammed N Islam3
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
USA
 Source of Support: None, Conflict of Interest: None  | Check |
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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