Elevated Anti-Thyroid Peroxidase Antibody Levels: Causes
Disease description:
Recently, during a physical examination, it was found that my anti-thyroid peroxidase antibody levels were too high. May I ask what could be the reason for this?
Doctor's answer (1)
Dr. Bai Hongmei
Elevated levels of thyroid peroxidase antibodies are typically a marker of autoimmune thyroid diseases. This includes Hashimoto's thyroiditis, Graves' disease, and others. In these conditions, the immune system mistakenly attacks the thyroid gland, leading to thyroid dysfunction. The specific causes may include genetic factors, environmental triggers, and hormonal changes. Specific causes may include: 1. Hashimoto's thyroiditis: This is the most common cause, with antibody detection rates in patients' sera reaching approximately 90% to 95%, making it a diagnostic criterion.
2. Hyperthyroidism: The detection rate of these antibodies in patients is approximately 40% to 90%, indicating an association between hyperthyroidism and these antibodies.
3. Primary hypothyroidism: The antibody detection rate is about 65%, suggesting that elevated antibody levels may be related to hypothyroidism.
At the same time, high levels of TPOAb are usually associated with hypothyroidism. If elevated thyroid peroxidase antibody levels are detected, further evaluation of thyroid function and structure is warranted, and timely medical consultation is recommended.
