Histologic Diagnosis of Inflammatory Skin Diseases

Leukocytoclastic vasculitis

Leukocytoclastic vasculitis Synonyms Leukocytoclastic angiitis Allergic vasculitis Hypersensitivity angiitis Hypersensitivity vasculitis Anaphylactoid purpura Immune complex vasculitis Purpura rheumatica Presentation stereotypical Age and sex Any ag…

Differential Diagnosis in Dermatopathology

Discussions

Photoallergic dermatitis and phototoxic dermatitis, as their names denote, are eruptions induced by ultraviolet light. The two conditions have features in common clinically and histopathologically, a situation that may pose problems in diagnosis for…