A 20 yr old girl presents with 9 month history of neck swelling with thyrotoxicosis symptoms. On investigation increased T4 and decreased TSH with palpable 2 cm nodule was found. Next investigation will be
In clinical cases of thyroid nodule, Thyroid profile (T3 T4 TSH) is done. If TSH is low, thyroid scan is done to see if nodule is hot or cold. If TSH is low or normal, ultrasound followed by FNAC is done Source :Sabiston 20 th edition Pg 890
USG
Thyroid scan
Radioactive iodine uptake
CT scan
Endocrinology and breast