Toxic multinodular goiter definition - Thyroid: health and medical information about Thyroid Disease, Hypothyroidism, Hyperthyroidism and Thyroid Disease

Toxic multinodular goiter: Condition in which the thyroid gland contains multiple lumps (nodules) that are overactive, produce excess thyroid hormones and thereby cause hyperthyroidism. This condition is also known as Parry's disease or Plummer's disease.