This report describes a patient who presented with a large thyroid nodule and compressive symptoms. Immunohistochemical staining showed diffuse marked reactivity for vimentin and focal reactivity for CD68 and Ki-67 that is compatible with primary undifferentiated pleomorphic sarcoma of the thyroid. This report emphasizes and discusses extremely rare thyroid cancer type.
Keywords: malignant fibrous histiocytoma; sarcoma; thyroid gland; undifferentiated pleomorphic sarcoma.
© 2020 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.