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colloid milium

Pronunciation: kol'loyd mil'e-um

Definition: Yellow papules developing in sun-damaged skin of the head and backs of the hands, composed of colloid material in the dermis resembling amyloid but with a different ultrastructure. Filaments less than 2.0 nm in diameter are present that may be a form of elastic tissue produced by actinically damaged fibroblasts.

Synonym(s): colloid pseudomilium, elastosis colloidalis conglomerata

[L. milium, millet]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.