Late-onset focal dermal elastosis

Late-onset focal dermal elastosis is a rare acquired skin disorder characterized by the abnormal accumulation of elastic fibers in the dermis, typically presenting in middle-aged to elderly adults. The condition manifests as multiple small, yellowish or skin-colored papules that are often distributed symmetrically on the trunk, particularly the back, and sometimes on the extremities. These papules may coalesce into plaques and can have a cobblestone-like or peau d'orange (orange peel) appearance. The condition primarily affects the skin and is generally considered a benign dermatosis, though it can be cosmetically concerning for patients. The exact cause of late-onset focal dermal elastosis remains unclear. It is thought to be an acquired condition rather than an inherited one, and it is not associated with systemic connective tissue disorders. Histopathological examination reveals increased and fragmented elastic fibers in the mid and upper dermis, which distinguishes it from other elastotic conditions such as solar elastosis or pseudoxanthoma elasticum. The condition must be differentiated from other papular dermatoses and disorders of elastic tissue through clinical and histological evaluation. There is currently no established curative treatment for late-onset focal dermal elastosis. Management is primarily supportive and cosmetic. Since the condition is benign and asymptomatic in most cases, reassurance and observation may be sufficient. Some reports have described attempts at treatment with topical retinoids or other modalities, but no consistently effective therapy has been identified. The rarity of the condition limits the availability of large-scale clinical studies to guide treatment decisions.

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