[Primary thyroid lymphoma. Report of four cases]

Primary thyroid lymphoma is uncommon and usually of non-Hodgkin type. We report four female patients with thyroid lymphoma. An 81 year-old patient that was operated and received three cycles of chemotherapy and was lost from follow up. A 16 year-old patient that is operated and received full chemotherapy and was discharged free of disease. A 80 year-old patient that was operated and died due to a multiple organ failure, 50 days after hospital admission and a 54 year-old female that was operated but rejected chemotherapy and was lost from follow up.