Figure 1.

Dermoid cyst - A. Bilaterally enlarged submentual and submandibular mass resulting in a double chin, limited opening of the mouth, and elevated floor of the mouth; B. Panoramic radiograph of the jaws; C. Ultrasound - arrows show a suggested cyst with a semiliquid content within the fascial spaces of the muscles in the floor of the mouth; D. Surgical removal of the lesion through an intraoral approach; E. Histopathology. Note the wall of the cyst consisting of fibrous connective tissue, skin elements such as a hair follicle (PF), and sweat glands (SG) (H.E. 100x); F. Postoperative aspect after 1 year and 6 months.