23rd May 2025

A 75-year-old female presented with worsening shortness of breath over the past few weeks.

A 75-year-old female presented with worsening shortness of breath over the past few weeks. She reports rapid weight loss, and worsening hoarseness of voice over the past few months. She denies a cough, or haemoptysis. She is non-smoker and teetotal. Her past medical history includes HTN for which she is taking Amlodipine. On examination her RR is 25 and there are symptoms of upper airway obstruction. There is a painless palpated hard fixed nodule on the right lobe of the thyroid gland which does not move on swallowing. Which type of thyroid cancer is the most likely cause for these symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.