Endocrine Abstracts

The simultaneous occurrence of MTC and PTC in the same thyroid can be observed as a mixed tumour folliculo-medullar (OMS 1988) or as a collision tumour separated by normal thyroid parenchyma, which has only been described in less than thirty patients. We report two cases.Case 1: A 72 years old woman who underwent total thyroidectomy for a multinodular goiter. Histology showed a 2.5 cm CPT in the left lobe and a 4.5 cm CMT in the right lobe. She received ...