Histologic Diagnosis of Inflammatory Skin Diseases

Erythema annulare centrifugum

Erythema annulare centrifugum Synonyms Erythema perstans Erythema gyratum perstans Erythema figuratum perstans Presentation stereotypical Age and sex Middle-aged or older adults of both sexes; children sometimes Distribution of lesions Any part of t…

Differential Diagnosis in Dermatopathology

Discoid lupus erythematosus vs. Polymorphous light eruption

An inflammatory disease of children and adults that tends to involve skin and skeletal muscle mostly, the findings in the skin being patches with the color of heliotrope, especially in the periocular region. The disease manifests itself as poikilode…