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A medical professional can usually identify the type of eczematous dermatitis by looking at the rash and asking questions about how it appeared. Samples of scale from the rash may need to be examined microscopically to search for a fungus. Occasionally, a portion of skin may be removed (a biopsy) to be examined by a pathologist.
The three key elements in identifying atopic dermatitis are
Medically Reviewed by a Doctor on 4/22/2014
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