Benign nonfunctioning thyroid adenomas are characterized by a defective targeting to cell membrane or a reduced expression of the sodium iodide symporter protein. - Tonacchera,M.; Viacava,P.; Agretti,P.; De Marco,G.; Perri,A.; Di Cosmo,C.; De Servi,M.; Miccoli,P.; Lippi,F.; Naccarato,A.G.; Pinchera,A.; Chiovato,L.; et al. (J Clin Endocrinol Metab, 2001)