Melasma Differential Diagnosis

Differential Diagnosis

The different diseases that should be ruled out in the diagnosis of melasma are:

• Actinic lichen planus
• Acanthosis nigricans
• Discoid lupus erythematosus
• Drug-induced photosensitivity
• Exogenous ochronosis
• Frictional melanosis
• Mastocytosis
• Nevi of Ito and Ota
• Pigmented contact dermatitis (Riehl’s melanosis)
• Poikiloderma of Civatte
• Postinflammatory hyperpigmentation
• Solar lentigines