Ichthyosis

Ichthyosis is a family of genetic dermatological conditions seen in humans and domestic animals. Its literal translation is "fish skin", as people or animals with ichthyosis have scaly skin which can vaguely resemble the scales of a fish.

The term ichthyosis is sometimes used to refer to the specific condition ichthyosis vulgaris. Ichthyosis was formerly referred to as "pseudo-leprosy," as it can produce an appearance superficially similar to that of leprosy.

While ichthyosis acquisita is acquired (as its name indicates), most forms of ichthyosis are considered congenital. These types include:

Some types of ichthyosis include:

Ichthyosis vulgaris
X-linked ichthyosis
Ichthyosis lamellaris
Epidermolytic hyperkeratosis
Harlequin type ichthyosis
Netherton's syndrome
Sjögren-Larsson syndrome