25th August 2020

A 46-year-old woman presents with a diffuse swelling of her anterior neck

A 46-year-old woman presents with a diffuse swelling of her anterior neck. On examination the lump is smooth and non-tender. The patient also complains that she is feeling more on edge and agitated since being discharged from hospital a few months ago, where she was treated with pneumonia. She has also lost weight since then. Blood tests reveal the presence of thyroid stimulating hormone receptor antibodies. Her past medical history included adequately controlled type-1 diabetes mellitus. 

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