Histiocytic sarcoma localised in the thyroid—a case report

Dear Editor, “Histiocytic sarcoma” is a rare haematological neoplasm with immunohistochemical and morphological diagnostic criteria per exclusionem. In this case report, our patient illustrates that this rare tumour with its unique location and diagnostic morphologic criteria is sensitive to a combination of anthracycline-based chemotherapy and radiotherapy, resulting in complete response for 2 years. A 64-year-old Caucasian woman...