Micrograph of<unk> , showing a moderately intense superficial perivascular dermal lymphohistiocytic infiltrate with rare eosinophils, edema of papillary dermis, hyperkeratosis and focal epidermal spongiosis. A skin biopsy can be performed to test for<unk> ; tests should be performed to rule out other possible diseases such as: pityriasis rosea, tinea corporis, psoriasis, nummular eczema, atopic dermatitis, drug reaction,<unk>  migrans and other rashes. Differential diagnosis * Sarcoidosis * Fungal infection * Lupus<unk> tosus
Erythema annulare centrifugum
Tuberculosis cutis orificialis
Tuberculosis verrucosa cutis
Papillomatosis cutis carcinoides
Ichthyosis bullosa of Siemens
Generalized granuloma annulare
Granuloma annulare
Folliculitis nares perforans