Papular mucinosis associated with hypothyroidism

Papular mucinosis or lichen myxedematosus is an idiopathic disorder characterized by papules, nodules or plaques caused by mucin deposition in the dermis, in the absence of thyroid disease. The present report describes an atypical case with exuberant lesions in the form of plaques, associated with s...

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Bibliographic Details
Published in:Anais brasileiros de dermatología 2010-01, Vol.85 (1), p.89-92
Main Authors: Volpato, Morgana Boeno, Jaime, Tatiana Jerez, Proença, Martha Pisani, Gripp, Alexandre Carlos, Alves, Maria de Fátima Guimarães Scotelaro
Format: Article
Language:Portuguese
Subjects:
Female
Humans
Hypothyroidism - complications
Middle Aged
Scleromyxedema - complications
Scleromyxedema - pathology
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Summary:Papular mucinosis or lichen myxedematosus is an idiopathic disorder characterized by papules, nodules or plaques caused by mucin deposition in the dermis, in the absence of thyroid disease. The present report describes an atypical case with exuberant lesions in the form of plaques, associated with subclinical hypothyroidism. In cutaneous mucinosis, there is an abnormal quantity of mucin in the dermis. In traditional classifications of papular mucinosis, an absence of thyroid disease constitutes a diagnostic criterion. A few cases of the disease have been reported in association with hypothyroidism constituting, as in the present case, atypical lichen myxedematosus. It is therefore suggested that the presence of thyroid disease should not be considered an exclusion criterion for the diagnosis of this condition.
ISSN:1806-4841
DOI:10.1590/S0365-05962010000100014