Large Submental Epidermoid Cyst: A Rare Case Report
Abstract:
Epidermoid cyst, specially in large size is one of the rare lesions of maxillofacial region, affects submental and sublingual region. The cyst develops from the entrapment of pluripotent ectodermal and mesodermal primordia, in the embryonic lines of fusion, when first and second branchial arches of each fuse in the midline, between third and fourth weeks of intrauterine life. After entrapment, this tissue shows gradual proliferation and ultimately transform to a cyst.