Coexistence of Papillary Microcarcinoma and Hurthle Cell Adenoma: a Case of Thyroid Collision Tumor

While thyroid cancers are usually present one type of cancer in the gland, rarely different may found or two lobes gland at same time. A 70-years-old female patient presented with a long-standing neck swelling, especially on left side, which was more prominent, recently increasing size and causing shortness breath. Due to tracheal compression diagnosis multi-nodular goiter, total thyroidectomy performed. Histopathological examination revealed collision tumor papillary microcarcinoma right hurtle cell adenoma side. its rarity, clinicians encountered difficulties treatment tumors. We believe that be aware these rare entities by encouraging report such cases enable solid conclusions management