A<unk>  (pl.<unk> s or<unk> ta) (condition:<unk> tosis), , is a deposition of yellowish cholesterol-rich material that can appear anywhere in the body in various disease states. They are cutaneous manifestations of lipidosis in which lipids accumulate in large foam cells within the skin. They are associated with hyperlipidemias, both primary and secondary types. Tendon<unk> s are associated with type II hyperlipidemia, chronic biliary tract obstruction, primary biliary cirrhosis, sitosterolemia and the rare metabolic disease cerebrotendineous<unk> tosis. Palmar<unk> ta and tuberoeruptive<unk> ta (over knees and elbows) occur in type III hyperlipidemia.
Xanthoma
Acanthoma
Nevus
Keratoacanthoma
Angiokeratoma
Clear cell acanthoma
Adenoacanthoma
Nevus sebaceous