Low (A) and high (B) microscopic magnification of thyroid tissue demonstrating epithelial hypertrophy and invagination forming papillary projections and scalloping of colloid (red arrows) consistent with Graves' disease.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Mayo Clinic researchers drive discoveries that improve detection, diagnosis and treatment. Your quick message to them means so much.