Dermoid cysts of the floor of the mouth: two case reports.

2011;2011:362170. doi: 10.1155/2011/362170. Epub 2011 Sep 14.

Dermoid cysts of the floor of the mouth: two case reports.

Source

Department of Oral and Maxillofacial Surgery, General Hospital of Kilkis, 61100 Kilkis, Greece.

Abstract

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Gougousis D. Spyridon, MD, ORL, Clinic of Yianitsa, Imathias Hospital, Greece

Tel.l. 00302310322533, 00306973316300

spyridong@ hotmail.com

Dermoid cysts in the floor of the mouth may be congenital or acquired. The congenital form, according to the main theory, originates from embryonic cells of the 1st and 2nd branchial arch.


The acquired form may be due to traumatic or iatrogenic causes and as a result of the occlusion of a sebaceous gland duct. Its occurrence is less and is estimated to be from 1.6 to 6.4% of the dermoid cysts of the body in adults and 0.29% of the head and neck tumors occurring in children.


They may also be classified as anatomical and histological. Anatomically, they are divided into median genioglossal, median geniohyoid, and lateral cysts, while histologically they are divided into epidermoid, dermoid cysts and teratomas.

Clinically, a distinction between supra and inferior type as well as between central and lateral type is proposed in relation to themylohyoidmuscle and themidline, respectively.

Histologically, an estimation of dermoid, epidermoid, and teratoid cysts is reported. Enucleation via intraoral and/or extraoral approach is the method of treatment.

Two case reports of dermoid cysts in the floor of the mouth are presented in this paper, and an evaluation with regard to pathology, clinical findings, differential diagnosis, and treatment is discussed.


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