Etretinate is a lipid of Prenol Lipids (PR) class. Etretinate is associated with abnormalities such as Psoriasis, Skin lesion, Scleroderma, Chronic graft-versus-host disease and Evaluable Disease. The involved functions are known as Agent, Ulcer and Teratogenesis. Etretinate often locates in Hepatic and Skin. The related lipids are Steroids and Steroid, Systemic.