Pediatric multinodular goiter (MNG)

A goiter is an abnormal enlargement of the thyroid gland. A multinodular goiter (mul·​ti·​nod·​u·​lar - goi·​ter) is made up of multiple thyroid nodules.

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What is a pediatric multinodular goiter (MNG)?

A goiter is an abnormal enlargement of the thyroid gland. A multinodular goiter is made up of multiple thyroid nodules.

Risk factors

Multinodular goiter is more common in girls than in boys.

Other risk factors may include:

What are the signs and symptoms of a pediatric multinodular goiter (MNG)?

Many children with multinodular goiter do not have any symptoms, so the goiter is initially discovered during a routine physical exam. For those who do have symptoms, they may include:

How is a pediatric multinodular goiter (MNG) diagnosed?

There are several methods that are used for diagnosing multinodular goiter. Your doctor may use a combination of these methods:

  • History and physical exam
  • Blood tests to check thyroid hormone levels
  • Ultrasound
  • Radioactive iodine uptake test (a noninvasive test to determine how much radioactive iodine is absorbed by the thyroid gland over a period of time)
  • Fine needle biopsy (removal of a small amount of thyroid tissue using a thin needle; the tissue is later examined under a microscope.)

What are the causes of a pediatric multinodular goiter (MNG)?

The exact cause of multinodular goiter is unknown. Possible contributors may include:

How is a pediatric multinodular goiter (MNG) treated?

Treatment for multinodular goiter may include:

  • “Watchful waiting” - monitoring your child’s condition, but no initial treatment
  • Medications to regulate thyroid hormones
  • Radioactive iodine - a liquid that is absorbed into the thyroid and reduces the size and activity of the nodules
  • Surgery to remove the nodules (all or part of the thyroid gland may also need to be removed.)

Pediatric multinodular goiter (MNG) doctors and providers