Diagnosis of<unk>  is largely via clinical observation. Biopsies are typically not necessary, and cannot be used to rule out other atopic dermatitis or other eczemas. However, patch testing may be employed to rule out irritants (contact dermatitis) as a cause. In children,<unk>  is commonly confused with tinea corporis.
Nummular dermatitis
Dermatophytosis
Xerotic eczema
Pityriasis rosea
Phototoxic tar dermatitis
Phytophotodermatitis
Abietic acid dermatitis
Granulomatous facial dermatitis