actinic granuloma

Pathology

• lymphohistiocytic infiltrate with multinucleated giant cells
• surrounding solar elastosis
• no palisading, necrobiosis, or mucin deposition
• fragmentation of the elastic fibers
• occasional elastophagocytosis by giant cells

Clinical manifestations

• affects sun-exposed skin
• asymptomatic skin lesions on forehead & dorsum of hands
• well demarcated, erythematous, coalescing annular plaques with raised borders & slightly hypopigmented atrophic center
• lesions slowly expand centrifugally (images)

Management

• reduce sun exposure
• use sunscreen
• topical glucocorticoids
• pimecrolimus cream may be used on face

More general terms

• granuloma