Types

 hyperplastic goiter

• dyshormonogenetic goiter (thyroid dyshormonogenesis in inborm errors of thyroid metabolism)
• hyperthyroidism (Grave disease)
• trophoblastic disease
• pituitary diseases

 follicular thyroid nodules

• nodular goiter (toxic, nontoxic)
• adenomatous nodules
• true follicular adenoma
• thyroid follicular carcinoma
• follicular variant of papillary carcinoma
• follicular variant of medullary carcinoma
• insular carcinoma
• mixed follicular carcinoma
• mixed parafollicular carcinoma

See also

 thyroid lesions