Disseminated Granulomatous Perifollicular Dermatosis With Comedones: A Follicular Variant of Lichen Nitidus or a New Entity?
Am J Dermatopathol 2018 Apr 11. Epub 2018 Apr 11.
Department of Dermatology, Hospital del Mar- Institut Mar d'Investigacions Mèdiques, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.
The presence of acquired generalized keratotic follicular papules and comedones developing in adulthood constitute an uncommon clinical situation. Although this clinical presentation has been described in several noninflammatory, inflammatory, and neoplastic skin disorders, its association with an exclusive perifollicular epitheliod or granulomatous inflammatory reaction represents an exceedingly rare phenomenon. We report a case of a 57-year-old male patient presenting clinically numerous acquired disseminated follicular papules and comedones, showing isolated perifollicular sarcoid-like granulomatous inflammatory infiltrates at the histological examination. Read More