Case 75 Medical history A 23-year-old female patient attended an endocrinologist on account of a family history of Hashimoto's thyroiditis. As she was examined, a nodule could be felt in the anatomical area corresponding to the thyroid gland. A blood test to measure TSH and a neck ultrasonography were then requested. The TSH levels presented within the normal range. Figure 1: Color Doppler ultrasonography of the thyroid glandQuestion:Based on the clinical data and imaging investigation, which is the most likely diagnosis? Graves disease Papillary thyroid cancer Hashimoto's thyroiditis Thyroid cyst Previous Next Next Time is Up! Time's up