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Table 3 Differential diagnosis of AD

From: Atopic dermatitis

Other skin conditions
• Contact dermatitis
• Seborrheic dermatitis
• Psoriasis
• Scabies
• Impetigo
Metabolic and nutritional deficiencies
• Phenylketonuria
• Zinc deficiency
Immunodeficiency syndromes with skin manifestations
• Wiskott-Aldrich syndrome
• Severe combined immunodeficiency syndrome with Omenn’s syndrome
• Immune dysregulation, polyendocrinopathy, enteropathy, X-linked
• Graft vs. host disease
• Dermatitis herpetiformis
• T-cell lymphoma