| Antonelli, Pisa, Italy, compared results of a prospective study of aspiration of thyroid cysts, followed by subsequent injection with isotonic saline (n = 38), tetracycline hydrochloride (n = 37) or ethanol sclerotherapy (n = 20). Cure, defined as a decrease in volume of at least 50 %, 12 months after treatment was 37 %, 65 %, and 85% respectively. |
