Snapshot A 32-year-old woman complains of fatigue and difficulty swallowing for the past month. The patient has also noted that her voice has been sounding different for the past 2 weeks. On physical exam there is a palpable, nontender nodule in the front of her neck that moves with swallowing. There is no cervical lymphadenopathy. Ultrasound of the neck shows a 1.9 cm nodule with microcalcifications. Introduction Overview login to view 3 more bullets Epidemiology login to view 14 more bullets Prognosis login to view 2 more bullets Classification Papillary login to view 14 more bullets Follicular carcinoma login to view 12 more bullets Medullary login to view 13 more bullets Anaplastic login to view 4 more bullets Presentation Symptoms login to view 3 more bullets Physical exam login to view 3 more bullets Imaging Thyroid scintigraphy (radioactive iodine uptake test) login to view 12 more bullets Ultrasonography login to view 12 more bullets Studies TSH levels login to view 4 more bullets Serum calcitonin login to view 1 more bullet Fine needle aspiration (FNA) login to view 7 more bullets Differential Benign thyroid nodule login to view 4 more bullets Treatment Medical login to view 11 more bullets Surgical login to view 7 more bullets Complications Metastasis to other organs Death