Subtle early pretibial myxoedema - palpation showed mild induration (PTM-patient4)
Keywords: Clinical image, Infiltrative dermopathy, Leg, Localised myxoedema, Lower leg, Pretibial, Pretibial myxoedema, Thyroid dermopathy, Yellowish-brown plaque
Pretibial myxoedema is a form of diffuse mucinosis in which there is an accumulation of excess glycosaminoglycans in the dermis and subcutis of the skin. Glycosaminoglycans, also called mucopolysaccharides, are complex carbohydrates that are important for tissue hydration and lubrication. The main glycosaminoglycan in pretibial myxoedema is hyaluronic acid, which is made by cells called fibroblasts.
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