A study on 88 patients operated for a differentiated thyroid carcinoma (63 papillary and 25 follicular cancer) is reported. In 66 cases a total thyroidectomy was performed (in 16 associated with an ipsilateral lymphadenectomy), in 11 a subtotal thyroidectomy and in 11 a lobar isthmectomy. In the follow-up there were 3 deaths and 4 recurrences. Notwithstanding the limited number of cases, the Authors registered a worse diagnosis for the follicular carcinomas (2 deaths and 2 recurrences on 25) compared to the papillary (1 death and 2 recurrences on 63).