Allergic contact dermatitis is an immunologic cell-mediated skin reaction to exposure to antigenic substances.
The lesions initially appear on the cutaneous site of principal exposure
then may spread to other more distant sites due to contact or
autosensitization. Lesions are typically asymmetrical and unilateral.
Specific signs and symptoms will depend on the duration, location,
degree of sensitivity and concentration of allergens. The patch test
shows reaction to allergen.
Irritant contact dermatitis is a non-immunologic skin reaction to skin irritants.
It is often localized to areas of thin skin eg eyelids, intertriginous areas.
The aromatase inhibitor anastrozole shows promise in the treatment of children with congenital adrenal hyperplasia, reducing bone age advancement without adversely affecting bone mineral density and visceral adipose tissue, as shown in a recent study.
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