ichthyosis simplex and ichthyosis hystrix, terms commonly employed to designate the mild and severe forms respectively.
In ichthyosis, lepra, psoriasis, and some other scaly skin diseases.
All however were well nourished, and their functions, save that of the skin (five had acne and one ichthyosis) well performed.
How is ichthyosis to be distinguished from eczema, psoriasis, and other scaly inflammatory diseases?
In severe cases of ichthyosis hystrix it may be necessary, also, to employ caustics or the knife.
So are the elbows and the knees; and similar portions of the thighs and the arms may be found affected with ichthyosis.
ichthyosis ich·thy·o·sis (ĭk'thē-ō'sĭs)
A congenital, often hereditary skin disease characterized by dry, thickened, scaly skin. Also called alligator skin, fish skin, fishskin disease, ichthyosis sauroderma.