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Intraosseous Epidermoid Cyst: a Case Report
Bistra Blagova1, Lina Malinova2, Vesela Ivanova3
1Maxillofacial Surgery Division, University Multiprofile Hospital for Active Treatment and Emergency Medicine "N. I. Pirogov", Gen. Totleben Blvd. 21, 1606 SofiaBulgaria.
Journal of Oral & Maxillofacial Research
|February 15, 2023
Summary
Intraosseous epidermoid cysts of the jaw are rare benign lesions. This case highlights their importance in the differential diagnosis of radiolucent jaw lesions.
Area of Science:
- Oral and Maxillofacial Surgery
- Pathology
- Dermatology
Background:
- Epidermoid cysts are rare in the oral cavity, with intraosseous jaw cysts being exceptionally uncommon.
- Distinguishing intraosseous epidermoid cysts from other jaw lesions can be challenging.
- This report emphasizes the need to consider intraosseous epidermoid cysts in the differential diagnosis of radiolucent jaw lesions.
Observation:
- A case of an intraosseous epidermoid cyst in an edentulous maxilla is presented.
- A 70-year-old male patient presented with a radiolucent area in the anterior maxilla.
- The cyst was surgically removed.
Findings:
- Preliminary diagnosis based on clinical and radiographic evaluation was a dentigerous residual cyst.
- Histopathological examination confirmed an epidermoid cyst.
- Key findings included a thick keratin layer and stratified squamous epithelium resembling epidermis.
Implications:
- This case underscores the rarity of intraosseous epidermoid cysts in the jaws.
- It highlights the importance of including this pathology in the differential diagnosis for unexplained radiolucent jaw lesions.
- Awareness among practitioners can improve diagnostic accuracy for these uncommon cysts.

