Floor Of Mouth Dermoid Cyst

A dermoid cyst in the floor of mouth accounts for 1 1 6 of all dermoid cysts 1 3 4.

Floor of mouth dermoid cyst. Dermoid cysts dermoids of the floor of the mouth oral surg oral med oral pathol. Dermoid cysts dermoids of the floor of the mouth. Of the dermoid. A 13 year old child developed fever and headache.

Her parents noticed a swelling below the jaw and visited the physician. If small and asymptomatic further treatment may not be needed otherwise minor oral surgery may be indicated. It is sometimes used synonymously with teratoma in oral and maxillofacial surgery it is applied to describe congenital floor of mouth cysts of 3 histologic types. Dermoid cysts in the floor of the mouth have been the subject of a good many researches.

Dermoid epidermoid and teratomata teratoid cysts 1 2. The congenital form according to the main theory originates from embryonic cells of the 1st and 2nd branchial arch. Cysts superficial to geniohyoid may cause posterosuperior displacement of the tongue dysphonia dysphagia 3 or airway obstruction 4. The acquired form may be due to traumatic or iatrogenic causes and as a result of the occlusion of a sebaceous gland duct.

Dermoid cysts of the floor of the mouth are rare accounting for 11 of all dermoid cysts in the head and neck region. Ranulae present as a swelling of connective tissue consisting of collected mucin from a ruptured salivary gland caused by local trauma. Dermoid cysts dermoids of the floor of the mouth. A ranula is a mucus extravasation cyst involving a sublingual gland and is a type of mucocele found on the floor of the mouth.

Its occurrence is less and is estimated to be from 1 6 to 6 4 x25. Dermoid cysts in the floor of the mouth may be congenital or acquired. Generally they present during the 2nd 3rd decade of life with no sex preponderance 1 5. 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.

We report a case of a dermoid cyst of the floor of the mouth in a 12 year old boy investigated with ultrasonography magnetic resonance imaging mri and non enhanced computed tomography ct scans. Jourdain 1778 called them sublingual dermoid cysts. Clinically a cystic midline swelling moving with deglutition was palpable in the submental region with suspicious extension into sublingual space. Dermoid cyst is a frequently used descriptive term but its definition changes according to the clinician eg dermatologists neurologists gynecologists oral and maxillofacial surgeons and plastic surgeons.