Endocrine Abstracts

Hyperthyroidism in Graves’ disease (GD) is caused by thyroid-stimulating autoantibodies to the TSH receptor. Hypothyroidism in Hashimoto’s thyroiditis (HT) is associated with thyroid peroxidase and thyroglobulin autoantibodies. Transformation of HT to GD has been rarely reported. We report a woman with history of HT, who then developed GD.Case presentation: A 50-year-old female with a past history of hypothyroidism due to HT treated with Levo...

Hyperthyroidism is rarely associated with malignancy. Some cases of co-existing between hyperthyroidism and thyroid carcinoma have been described. We report a case of association of a toxic thyroid nodule and papillary microcarcinoma.Observation: A 50-year-old male was referred to the endocrinologist for hyperthyroidism (TSH: 0.01 mUI/l, FT4: 22.8 pmol/l, FT3: 17.1 pmol/l). Thyroid ultrasonography showed a nodule of 38 mm in the left lobe. 99 mTc thyroid...