Dermoid cysts in the floor of the mouth may be congenital or acquired.
Floor mouth dermoid.
Generally they present during the 2nd 3rd decade of life with no sex preponderance 1 5.
A ranula is a mucus retention cyst arising from a sublingual or minor salivary gland.
Cysts superficial to geniohyoid may cause posterosuperior displacement of the tongue dysphonia dysphagia 3 or airway obstruction 4.
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.
Dermoid cysts dermoids of the floor of the mouth oral surg oral med oral pathol.
7838461 2 potts m macleod ri mclean nr et al.
Dermoid cysts dermoids of the floor of the mouth.
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.
The congenital form according to the main theory originates from embryonic cells of the 1st and 2nd branchial arch.
It may be involved in a wide range of pathologic processes some of which are unique to the region.
Dermoid cyst in the floor of the mouth references 1 king rc smith br burk jl.
The floor of the mouth is the part of the oral cavity that is located under the tongue.
Dermoid cysts of the floor of the mouth are rare accounting for 11 of all dermoid cysts in the head and neck region.
The mucosal surface of the floor of the mouth is easily examined clinically as superficial abnormalities can be assessed visually without the aid of imaging.
Cystic lesions of the floor of the mouth are well recognised and can be congenital or acquired.
Its occurrence is less and is estimated to be from 1 6 to 6 4 x25.
Ranula dermoid cysts and epidermoid cysts.
Clinically a cystic midline swelling moving with deglutition was palpable in the submental region with suspicious extension into sublingual space.
The acquired form may be due to traumatic or iatrogenic causes and as a result of the occlusion of a sebaceous gland duct.
A 13 year old child developed fever and headache.
Dermoid cyst in the floor of the mouth.
The main differential includes.
Her parents noticed a swelling below the jaw and visited the physician.
Dermoid cysts dermoids of the floor of the mouth.
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.
Dermoid cyst in the floor of the mouth final diagnosis.
Of the dermoid.