20th August 2020

A 62-year-old lady is seen in the endocrine clinic to discuss the results of her thyroid biopsy

A 62-year-old lady is seen in the endocrine clinic to discuss the results of her thyroid biopsy. She had noticed an enlarging rock hard lump in her neck over the last few months and increasing difficulty with speech. She also reported feeling generally unwell and experiencing night sweats. The biopsy report described cells of undifferentiated mitosis, a high nuclear: cytoplasmic ratio with evidence of vascular invasion.

For the patient above, please select the SINGLE most likely diagnosis for the thyroid lump present. Select ONE option from the list above.