Dermoid cysts dermoids of the floor of the mouth oral surg oral med oral pathol.
Dermoid cyst mouth floor.
Her parents noticed a swelling below the jaw and visited the physician.
The acquired form may be due to traumatic or iatrogenic causes and as a result of the occlusion of a sebaceous gland duct.
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.
There are few descriptions of oral dermoid cysts in newborns or children.
Dermoid cysts in the floor of the mouth have been the subject of a good many researches.
Its occurrence is less and is estimated to be from 1 6 to 6 4 x25.
The congenital form according to the main theory originates from embryonic cells of the 1st and 2nd branchial arch.
Jourdain 1778 called them sublingual dermoid cysts.
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 epidermoid and teratomata teratoid cysts 1 2.
Dermoid cysts dermoids of the floor of the mouth.
Discussion midline dermoid cysts appear to be of developmental embryologie origin as opposed to traumatic epithelial implantation 2 the differential diagnosis of cystic lesions in the mouth floor includes ranula thy roglossal duct cyst cystic hygroma and cystic lym phangioma.
This review which identifies 195 case reports of dermoid cysts in the floor of the mouth has unveiled some findi.
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.
If dermoid cysts are diagnosed early and treated with complete surgical excision the prognosis is good and no further complications are expected.
Most dermoid cysts on the floor of the mouth occur in individuals aged 10 30 years.
Cysts superficial to geniohyoid may cause posterosuperior displacement of the tongue dysphonia dysphagia 3 or airway obstruction 4.
The term dermoid cyst in the floor of the mouth is used to describe three types of histologically related cysts.
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.
Clinically a cystic midline swelling moving with deglutition was palpable in the submental region with suspicious extension into sublingual space.
Of the dermoid.
Dermoid cysts in the floor of the mouth may be congenital or acquired.