Anti Microsomal Antibody (AMA)/TPO Test: A Key Marker for Thyroid Autoimmune Disorders.
The Anti-Microsomal Antibody (AMA) and Thyroid Peroxidase (TPO) test measures the presence of autoantibodies against the thyroid gland. These antibodies are typically associated with autoimmune thyroid diseases like Hashimoto’s thyroiditis or Graves' disease. The test is often used to evaluate patients with symptoms of thyroid dysfunction or a history of autoimmune thyroid disease.
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How our test process works!
Overview:
- Purpose:
- The AMA/TPO test detects antibodies against thyroid peroxidase (TPO), an enzyme essential for thyroid hormone production.
- It’s used to diagnose thyroid autoimmune disorders like Hashimoto's thyroiditis and Graves' disease.
- It can help in assessing whether a person has thyroid dysfunction related to an autoimmune process.
Risk Assessment:
- Risk Factors:
- Family history of thyroid diseases (autoimmune thyroid disorders, hypothyroidism, or hyperthyroidism).
- Gender (women are more likely to develop autoimmune thyroid disorders).
- Age (conditions like Hashimoto's thyroiditis are more common with advancing age).
- Other autoimmune diseases like rheumatoid arthritis or Type 1 diabetes.
- Symptoms of thyroid dysfunction, such as unexplained fatigue, weight changes, or mood disturbances.
Normal Range:
- The normal range for TPO antibodies typically varies depending on the lab, but generally, the normal reference range is:
- < 35 IU/mL (International Units per milliliter)
- Levels above this may indicate an autoimmune response against the thyroid.
Interpretation:
- Positive Test Result:
- High levels of TPO antibodies usually indicate an autoimmune thyroid disorder.
- A positive result can suggest Hashimoto’s thyroiditis (hypothyroidism) or Graves' disease(hyperthyroidism), though additional tests would be needed to confirm the diagnosis.
- It may also be seen in some people with no apparent thyroid dysfunction.
- Negative Test Result:
- Low or undetectable TPO antibodies generally suggest no autoimmune thyroid disease.
- However, a negative result does not rule out thyroid problems entirely, as some autoimmune thyroid conditions may not present with elevated TPO antibodies.
Sample Type:
- Blood sample (serum) is required to perform the test. It is typically collected via venipuncture (a needle inserted into a vein).
Frequently Asked Question
Anti Microsomal Antibody (AMA)/TPO
Anti Microsomal Antibody (AMA)/TPO Test: A Key Marker for Thyroid Autoimmune Disorders.
The Anti-Microsomal Antibody (AMA) and Thyroid Peroxidase (TPO) test measures the presence of autoantibodies against the thyroid gland. These antibodies are typically associated with autoimmune thyroid diseases like Hashimoto’s thyroiditis or Graves' disease. The test is often used to evaluate patients with symptoms of thyroid dysfunction or a history of autoimmune thyroid disease.
Covid Safety
Assured
Free Report
Counselling