Uncommon dermoid cyst presented in the mandible possibly originating from embryonic epithelial remnants

Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology
Kazuo KomiyamaItaru Moro

Abstract

A case of an intraosseous dermoid cyst that had developed in the mandible of a 29-year-old-male is reported. The patient was admitted to our dental clinic complaining of pain in the right molar area of the mandible. The patient had no particular history of the present illness. A radiographic examination revealed diffuse bone absorption in the right molar area. A biopsy showed the lesion to be an intraosseous dermoid cyst which was surgically enucleated. Microscopic examination of the excised tissue showed it to be well circumscribed with fibrous tissues, and the cystic space lined by keratinized epithelium. In addition, sweat glands and hair follicle-like skin appendages were identified in the cystic wall, where a daughter cyst was also found. We suggested that this uncommon cyst had developed in the mandible, as a result of embryonic epithelium migration. The patient remained in good health during the three year follow-up.

References

Dec 1, 1980·The British Journal of Oral Surgery·G T CraigM O Hindle

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Citations

Nov 25, 2003·Pathology International·Yasunori TakedaShin-ichi Nakamura
Nov 21, 2007·Journal of Oral and Maxillofacial Surgery : Official Journal of the American Association of Oral and Maxillofacial Surgeons·Angela C ChiEdgar H Peacock
Aug 2, 2005·International Journal of Oral and Maxillofacial Surgery·L BodnerN Sion-Vardy

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