25th August 2020

A 67-year-old woman presents to her General Practitioner with a painless swelling of her anterior neck

A 67-year-old woman presents to her General Practitioner with a painless swelling of her anterior neck. On palpation it has a rubbery consistency and an irregular surface. Blood tests reveal a raised thyroid stimulating hormone, and anti-thyroperoxidase antibodies are positive.

For the patient above, please select the SINGLE most likely underlying diagnosis. Select ONE option from the list above.