A case of pretibial myxedema associated with hypothyroidism and thyroid-stimulating hormone receptor antibodies

Pretibial myxedema (PTM) is an infiltrative dermopathy seen in Graves' disease. It is also infrequently associated with hypothyroidism. Here, we describe a rare case of PTM with hypothyroidism in which thyroid-stimulating hormone receptor antibodies were found. An 82-year-old female presented w...

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Bibliographic Details
Main Authors: Sang Yong Oh (Author), Han Kyoung Cho (Author), Yoon Yang Jung (Author), Min-Kyung Lee (Author)
Format: Book
Published: Wolters Kluwer Medknow Publications, 2019-01-01T00:00:00Z.
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Summary:Pretibial myxedema (PTM) is an infiltrative dermopathy seen in Graves' disease. It is also infrequently associated with hypothyroidism. Here, we describe a rare case of PTM with hypothyroidism in which thyroid-stimulating hormone receptor antibodies were found. An 82-year-old female presented with a 1-year history of a large pruritic plaque which was present over both her legs and feet. Histopathology of a skin biopsy showed markedly increased dermal mucin. These changes were suggestive of PTM. This case provides evidence that an autoimmune mechanism could play a central pathogenetic role in such cutaneous manifestations.
Item Description:1027-8117
2223-330X
10.4103/ds.ds_51_18