A Goitre is defined simply as a swelling in the thyroid gland.
More specific causes of Goitre include
- Iodine deficiency, which was very common 100 to 200 years ago.
- Genetic abnormalities.
- A thyroid tumour.
- A malignant tumour, putting pressure on the gland, reducing its function and causing Hypothyroidism. This subsequently gives rise to a compensatory swelling of the thyroid tissue as the gland fights to maintain the level of thyroxine within normal limits.
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