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Thyroid Nodules

Thyroid Nodules – Symtpoms, Diagnosis & Treatment | SingHealth

Thyroid Nodules - Causes and Risk Factors

What causes thyroid nodules?

Thyroid nodules

The exact cause of thyroid nodules is not known, but the following factors may be involved: 

  • A lack of iodine in your diet 
  • A thyroid condition such as goitre or hypothyroidism, in particular Hashimoto’s thyroiditis 
  • Exposure to radiation treatments 
  • A history of thyroid nodules in your family

Multinodular goitres

The most common cause of multinodular goitres is iodine deficiency. However, it may still develop in some individuals who have enough iodine. In these people, the cause is not well understood. 

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