1. Department of Radiology (M.C.F., C.B.B., P.M.D., M.C.) Boston, Massachusetts 02115
2. Thyroid Section, Division of Endocrinology, Hypertension and Diabetes, Department of Medicine (E.K., J.O., P.R.L., E.M., E.K.A.) Boston, Massachusetts 02115
3. Department of Pathology (E.S.C.) Boston, Massachusetts 02115
4. Department of Surgery (F.D.M), Brigham & Women’s Hospital and Harvard Medical School, Boston, Massachusetts 02115