Abstract
Necrotizing infundibular crystalline folliculitis is a rare condition characterized by folliculocentric waxy papules in the seborrheic areas of adult patients, with intrafollicular filamentous birefringent crystalline deposits as the histopathologic clue. Although the real pathogenesis of necrotizing infundibular crystalline folliculitis remains unclear, the intrafollicular material seems to be derived from an interaction between such superficial microorganisms as gram-positive bacteria (Propionibacterium acnes, Staphylococcus spp), Malassezia yeasts, and sebaceous lipids. Topical or systemic antiacne agents or antimycotics appear to be effective therapy.
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