Evaluation of nodular thyroid disease.

There is no doubt that FNA biopsy is the best initial diagnostic step for the evaluation of a nodular thyroid. The successful use of FNA biopsy depends greatly on the experience of the clinician performing the aspiration and the expertise of the cytopathologist. The procedure is safe, expedient, and cost-effective. Complications are extremely rare. The accuracy of the technique in experienced hands is better than 95 per cent.