Cystic benign teratoma of the neck in adult

Figure 1 Intraoperative appearance of cystic lesion. A: Initial appearance of a cystic lesion separating fibres of cervical plexus from it; B: Intraoperative appearance of multicystic and solid lesion of different color.

Figure 2 The cyst consisted of ectodermal derivatives with predominant keratinized squamous epithelium covering the wall of the cyst (HE stain, × 20). A: With hair and other skin adnetik lesional structures; B: Mature glial tissue; C: Cartilage; D: Muscle and fat.