Lichen myxoedematosus

Definition

Localised lichen myxedematosus is a group of skin diseases characterised by the development of papules, nodules and/or plaques with mucin deposits and a variable degree of fibrosis in the absence of thyroid disease. The group comprises five sub-forms: nodular lichen myxedematosus, discrete papular lichen myxedematosus, papular mucinosis of infancy, acral persistent papular mucinosis and self-healing papular mucinosis.

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