Floor Of Mouth Dermoid Cyst

Cysts superficial to geniohyoid may cause posterosuperior displacement of the tongue dysphonia dysphagia 3 or airway obstruction 4.

Floor of mouth dermoid cyst.

Dermoid cysts dermoids of the floor of the mouth. The acquired form may be due to traumatic or iatrogenic causes and as a result of the occlusion of a sebaceous gland duct. The congenital form according to the main theory originates from embryonic cells of the 1st and 2nd branchial arch. Dermoid cysts of the floor of the mouth are rare accounting for 11 of all dermoid cysts in the head and neck region.

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. 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 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. The lesion contained free calcified corpuscles i e the sack of marbles.

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. Its occurrence is less and is estimated to be from 1 6 to 6 4 x25. Generally they present during the 2nd 3rd decade of life with no sex preponderance 1 5. Ranulae present as a swelling of connective tissue consisting of collected mucin from a ruptured salivary gland caused by local trauma.

If small and asymptomatic further treatment may not be needed otherwise minor oral surgery may be indicated. A dermoid cyst in the floor of mouth accounts for 1 1 6 of all dermoid cysts 1 3 4. Of the dermoid. Dermoid cysts dermoids of the floor of the mouth.

Clinically a cystic midline swelling moving with deglutition was palpable in the submental region with suspicious extension into sublingual space. Her parents noticed a swelling below the jaw and visited the physician. Dermoid cysts in the floor of the mouth may be congenital or acquired. Jourdain 1778 called them sublingual dermoid cysts.

A ranula is a mucus extravasation cyst involving a sublingual gland and is a type of mucocele found on the floor of the mouth. Dermoid cysts in the floor of the mouth have been the subject of a good many researches. The term dermoid cyst in the floor of the mouth is used to describe three types of histologically related cysts. 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 although these lesions typically manifest during the second or third decade of life however may present since birth with.