Unlabelled: The treatment of choice for the well differentiated thyroid carcinoma has always been controversial.
Aim: to analyze tumor invasion of the thyroid gland's contralateral lobe in cases of differentiated carcinoma, correlating risk/benefit with the complications of a second surgical approach.
Materials And Methods: Retrospective study, from 1998 to 2006, of 27 patients undergoing less than total thyroidectomy: lobectomy (21), subtotal thyroidectomy (5) or isthmusectomy (1).