20th August 2020

A 38-year-old man presents with neck pain for the last few days

A 38-year-old man presents with neck pain for the last few days. He describes a worsening severe anterior neck pain which radiates up his jaw to his ear. He also has a tremor and admits to feeling very hot recently. On examination of his neck, you palpate a large and firm thyroid gland that is tender. What is one of the first line investigations for confirming the most likely diagnosis?

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