Atrophoderma vermiculata

Atrophoderma vermiculata (also known as folliculitis ulerythematosa reticulata, or honeycomb atrophy) is a rare skin condition classified among the keratosis pilaris atrophicans group of disorders. It primarily affects the cheeks, presenting as small, worm-like (vermiculate) pits and depressions in the skin that create a characteristic honeycomb or reticulated pattern of atrophy. The condition typically begins in childhood, often between ages 5 and 12, and results from inflammation and subsequent atrophy of hair follicles in the affected areas. The skin may initially show small keratotic follicular papules with surrounding erythema before progressing to the distinctive pitted scarring. The condition predominantly affects the facial skin, particularly the cheeks, though it can occasionally extend to the preauricular areas, forehead, and ears. The pitted scars are usually symmetric and permanent. Atrophoderma vermiculata can occur as an isolated finding or may be associated with other conditions, including keratosis pilaris on the limbs and trunk. It has been described in association with certain syndromes, and some familial cases suggest a genetic component. There is no definitive cure for atrophoderma vermiculata. Treatment is largely symptomatic and cosmetic. Topical retinoids, keratolytic agents, and emollients have been used with limited success to manage the keratotic component. Procedural interventions such as dermabrasion, laser resurfacing (including fractional CO2 laser and erbium YAG laser), and chemical peels have been attempted to improve the appearance of established atrophic scars, with variable results. Early treatment aimed at reducing follicular inflammation may help limit progression of scarring.

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