The International Study of Asthma and Allergies in Children (ISAAC) used responses to a questionnaire to diagnose atopic eczema in children.
Patient selection: child
Criteria:
(1) itchy rash that has been coming and going for at least 6 months
(2) itchy rash in #1 at any time in the past 12 months
(3) rash involves any of the following: folds of the elbows, behind the knees, in front of the ankles, under the buttocks, around the neck, around the ears or around the eyes
If criteria 1, 2 and 3 are positive, then the patient has atopic dermatitis.
If criteria 1 and 2 are positive but 3 is not, then the patient has possible atopic dermatitis.
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