Floor Of The Mouth Dermoid

Dermoid cysts of the floor of the mouth in the infant are rarely encountered although the aetiology is mainly embryological.

Floor of the mouth dermoid.

The dermoid cysts of the mouth are most frequently located on the median line of the mouth floor most likely caused by the retention of the germinal epithelium during the growth of the mandible and hyoid branchial arches and are considered rare 2 3 5 10. Four cases of dermoid cysts of the floor of the mouth. Cysts superficial to geniohyoid may cause posterosuperior displacement of the tongue dysphonia dysphagia 3 or airway obstruction 4. Dermoid cysts of the floor of the mouth are discussed as to their embryology development and classification.

Floor of mouth dermoid cysts account for 1 6 of all dermoid cysts 2 and they usually present as a midline symmetrical slowly enlarging lesion. Excision of the lesion confirmed a diagnosis of dermoid cyst of the floor of mouth. Generally they present during the 2nd 3rd decade of life with no sex preponderance 1 5. A dermoid cyst in the floor of mouth accounts for 1 1 6 of all dermoid cysts 1 3 4.

A case is reported which shows differences in the epithelial lining of the cysts found followed by the differential diagnosis and treatment.