Between January 1, 1973, and December 31, 1988, the authors or their associates performed 552 fine-needle aspiration biopsies on patients with clinically significant masses of the salivary glands.

The follow-up frequency (i.e. every 6 to 24 months) should be appropriate for the degree of diagnostic certainty that the nodule is benign. The efficacy of L-T4 therapy to suppress TSH can be ...