Endocrine Abstracts

A 87 year old woman admitted with complaints of hoarseness and a palpable mass which she noticed 1 week ago. She had hypothyroidism for 25 years. On examination, there was a hard and fixed palpable 4x4 cm mass on the right side of the neck. In laboratory evaluation, thyroid function tests were normal, thyroid auto-antibodies were positive, calcitonin was normal, C-reactive protein was 224 mg/l and liver and kidney function tests were normal. Thyroid ultrasonography revealed a ...