This volume in the Major Problems of Pathology series covers the various aspects of thyroid pathology with an emphasis on aids to differential diagnosis. The book stresses morphologic aspects of thryroid diseases. It is illustrated and extensively referenced. It features a new chapter on molecular biology of thyroid pathology and expanded coverage of evaluation of oncogenes in thyroid neoplasm, as well as studies of clonality in thyroid nodules and neoplasms, and immunogenetics of autoimmune disease. All illustrations are updated, including an additional 12 new color plates!