An<unk>  is a skin neoplasm composed of squamous or epidermal cells. It is located in the prickle cell layer. Types of<unk>  include pilar sheath<unk> , a benign follicular tumor usually of the upper lip; clear cell<unk> , a benign tumor found most frequently on the legs; and Degos<unk> , often confused with but unrelated to Degos disease.
Acanthoma
Xanthoma
Nevus
Nevus sebaceous
Keratoacanthoma
Clear cell acanthoma
Angiokeratoma
Papilloma