Nontoxic goitre is a condition caused by an enlargement of the thyroid gland, which can be caused by a number of different factors, including iodine deficiency, genetic abnormalities, or the presence of certain autoimmune diseases.
Nontoxic goitre is typically diagnosed through a physical exam, as well as blood tests and imaging scans. The physical exam may reveal an enlarged thyroid gland in the neck, as well as other symptoms. Blood tests can help to determine the cause of the goitre, while imaging scans can help to confirm the diagnosis.
Differential diagnosis for a nontoxic goitre may include other thyroid disorders, such as hyperthyroidism or hypothyroidism. It is also important to rule out other causes of an enlarged thyroid, such as a thyroid nodule or a tumor.
Treatment for a nontoxic goitre usually involves correcting the underlying cause, such as providing iodine supplementation if the goitre is due to an iodine deficiency. In some cases, medications or surgery may be necessary to reduce the size of the goitre.
The prognosis for a nontoxic goitre is generally good. If the underlying cause is corrected, the goitre is likely to shrink over time. In some cases, however, the goitre may not shrink and may require additional treatment.