This article describes an approach to some of the commonly encountered, “classic pattern,” appearances of both benign and malignant thyroid nodules that are seen in day-to-day practice. These appearances include specific nodules that commonly need fine needle aspiration (FNA)/biopsy, and other nodules that do not usually need FNA/biopsy.
*Professor of Radiology, Department of Radiology, Division of Ultrasonography, Mayo Clinic College of Medicine, Rochester, Minnesota; †Professor of Medicine, Department of Medicine, Division of Endocrinology, Mayo Clinic College of Medicine, Rochester, Minnesota; and ‡Associate Professor of Pathology, Department of Laboratory Medicine and Pathology, Division of Anatomic Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota.
Received for publication April 28, 2005; Revised May 18, 2005; Accepted June 5, 2005.
The authors have disclosed that they have no interests in or significant relationships with any commercial companies pertaining to this educational activity.
Wolters Kluwer Health has identified and resolved all faculty conflicts of interest regarding this educational activity.
Reprints: Carl C. Reading, Department of Radiology, Mayo Clinic College of Medicine, 200 First St. SW, Rochester, MN 55905 (e-mail: Reading.Carl@mayo.edu).