What causes cretinism and goiter?

Iodine deficiency, more than cretinism and goiter. Iodine is a key element in the synthesis of thyroid hormones and as a consequence, severe iodine deficiency results in hypothyroidism, goiter, and cretinism with the well known biochemical alterations.

.

Also asked, what is the cause of cretinism?

Cretinism: Congenital hypothyroidism (underactivity of the thyroid gland at birth), which results in growth retardation, developmental delay, and other abnormal features. Cretinism can be due to deficiency of iodine in the mother's diet during pregnancy.

One may also ask, why is goiter reversible but cretinism is not? The correction of iodine deficiency produces a dramatic reversal of the condition of cerebral hypothyroidism due to restoration of brain thyroid hormone levels. This is a different effect from brain damage during pregnancy, which is not reversible but completely preventable.

Also know, why does an iodine deficiency cause a goiter?

When blood levels of TSH rise, the thyroid gland uses iodine to make thyroid hormones. However, when your body is low in iodine, it can't make enough of them ( 9 ). To compensate, the thyroid gland works harder to try to make more. This causes the cells to grow and multiply, eventually leading to a goiter.

Why is it rare to see a goiter in developed countries?

Two types of goitre One common reason is that the soil in which foods are grown is iodine depleted. They are rare in developed countries because of widespread iodine supplementation. Sporadic goitre - in which only the individual is affected.

Related Question Answers

What is the effect of goiter?

While some people with a goiter have no symptoms, others may have symptoms of an overactive or underactive thyroid. Hyperthyroidism is the medical term for an overactive thyroid, which produces too much thyroid hormone. Symptoms may include: Anxiety, rapid heart rate, diarrhea, weight loss.

How can you prevent cretinism?

About one billion people worldwide risk the consequences of iodine deficiency, all of which can be prevented by adequate maternal and infant iodine nutrition. Iodized salt is usually the preferred prophylactic vehicle, but iodized vegetable oil, iodized water, and iodine tablets are also occasionally used.

What is the difference between dwarfism and cretinism?

Dwarfism is caused due to deficiency of growth hormone whereas cretinism is caused due to the deficiency of thyroid hormones. Hence, dwarfs and cretins are somewhat of the same height but the main difference is that cretins are mentally deranged (mad or insane).

What are the signs and symptoms of cretinism?

Signs of cretinism or congenital hypothyroidism in a newborn include:
  • lack of weight gain.
  • stunted growth.
  • fatigue, lethargy.
  • poor feeding.
  • thickened facial features.
  • abnormal bone growth.
  • mental retardation.
  • very little crying.

Which hormone is responsible for cretinism?

Thyroid hormone is responsible for the metabolism and growth of the body. The deficiency of thyroxin causes cretinism. Iodine is the precursor for the thyroxine. Deficiency of iodine in the diet causes underdevelopment of thyroid gland.

How common is cretinism?

Statistics on Congenital hypothyroidism (Cretinism) Incomplete development of the thyroid is the most common defect and occurs at a rate of 1 out of every 3,000 births. Girls are twice as often affected than boys.

What nutrient deficiency causes cretinism?

Cretinism is a condition of severe physical and mental retardation due to iodine deficiency, and specifically due to deficiency of thyroid hormones during early pregnancy.

What is the treatment for cretinism?

Management. The mainstay in the treatment of congenital hypothyroidism is early diagnosis and thyroid hormone replacement. Optimal care may include diagnosis before age 10-13 days and normalization of thyroid hormone blood levels by age 3 weeks. Only levothyroxine is recommended for treatment.

How can I shrink my goiter naturally?

Lifestyle and home remedies
  1. Get enough iodine. To ensure that you get enough iodine, use iodized salt or eat seafood or seaweed — sushi is a good source of seaweed — about twice a week.
  2. Avoid excess iodine consumption. Although it's uncommon, getting too much iodine sometimes leads to a goiter.

What foods cause goiter?

Iodine deficiency can also cause an enlarged thyroid gland, known as a goiter.

Foods rich in iodine include:

  • cheese.
  • milk.
  • ice cream.
  • iodized table salt.
  • saltwater fish.
  • seaweed.
  • whole eggs.

What vegetables are high in iodine?

Seaweed: Iodine is primarily found in sea vegetables as well as seafood. One of the richest sources of it would include a seaweed called kelp. Cheese: Almost all dairy items are enriched with iodine. When it comes to cheese your best options would be Cheddar and Mozzarella.

What is the best treatment for goiter?

These drugs include methimazole (Tapazole®) and propylthiouracil. The doctor might prescribe aspirin or a corticosteroid medication if goiter is caused by inflammation. Radioactive iodine treatment. This treatment, used in cases of an overactive thyroid gland, involves taking radioactive iodine orally.

Can goiter turn into cancer?

Goiter can be the result of thyroid tumors, which are usually benign, but sometimes malignant. Most thyroid tumors present as discrete nodules, but there are several kinds of thyroid cancer that can cause generalized swelling of the gland.

How long does it take to correct iodine deficiency?

Take one tablet a day for 90 days (6-12 mg a day is fine). After three months, if you feel much better you can stay on the supplement. Or you can stop it and see if your problems worsen, a sign that you still need it. (You may find that one bottle is enough to "fill your tank" and correct your deficiency.)

Do bananas have iodine?

Seaweed (such as kelp, nori, kombu, and wakame) is one of the best food sources of iodine, but it is highly variable in its content (Table 2) [5].

Food.

Food Approximate Micrograms (mcg) per serving Percent DV*
Banana, 1 medium 3 2%

What is the difference between potassium iodide and iodine?

Iodide is the ionic state of iodine, occurring when iodine forms a salt with another element, such as potassium. Dietary iodine, such as that found in seaweed, is present in the iodide form, as is the iodine in iodized salt (supplied either as potassium iodide, potassium iodate, sodium iodide, or sodium iodate).

What are the main causes of goiter?

The most common cause of goiters worldwide is a lack of iodine in the diet. In the United States, where the use of iodized salt is common, a goiter is more often due to the over- or underproduction of thyroid hormones or to nodules in the gland itself.

Are goiters dangerous?

The vast majority of thyroid goiters are benign (non-cancerous) and thus the biggest problem that goiters cause is from their size. A large thyroid goiter can push on the other structures in the neck causing symptoms discussed on this page. Thyroid goiters are usually made up of multiple thyroid nodules.

Can you shrink a goiter?

A goiter may require no treatment, especially if it is small and thyroid hormone levels are normal. When the medication takes effect, the thyroid may begin to return to its normal size. However, a large nodular goiter with a lot of internal scar tissue will not shrink with treatment.

You Might Also Like