Hashimoto's disease is also known as which of the following?

• A. Chronic lymphocytic thyroiditis.
• B. Autoimmune Addison's disease.
• C. Grave's disease.
• D. Cushing's syndrome.

Answer: (A)

Hashimoto's disease is autoimmune destruction of the thyroid gland, and it is also known as chronic lymphocytic thyroiditis. The immune system attacks thyroid tissue, with lymphocytic infiltration and antibodies such as anti-thyroid peroxidase, which over time reduces thyroid hormone production and leads to hypothyroidism. This condition often develops gradually and is more common in women. It’s distinct from autoimmune Addison's disease (adrenal gland failure), Grave's disease (autoimmune hyperthyroidism), and Cushing's syndrome (excess cortisol).