Which of the following are genetic disease asociated with ichtosysis i.e characterized by rough, scaly skin?
A. CHILD syndrome
B. Conradi–Hünermann syndrome
C. Netherton syndrome
D. All of the above
All types of ichthyosis have dry, thickened, scaly or flaky skin.In many types there is cracked skin, which is said to resemble the scales on a fish; the word ichthyosis comes from the Ancient Greek (ichthys), meaning “fish.
The severity of symptoms can vary enormously, from the mildest, most common, type such as ichthyosis vulgaris which may be mistaken for normal dry skin up to life-threatening conditions such as harlequin type ichthyosis. Ichthyosis vulgaris accounts for more than 95% of cases.