All of the following are true about nodular aoitre in females except
Correct Answer: Radioisotopic scanning is commonly employed withholding surgery
Description: Thyroid scan Whereas ultrasound allows anatomic evaluation, radionuclide scans allows assessment of thyroid function I132 and I131 iodine scintigraphy is also used to evaluate the functional status of the gland Advantages of scanning with I123 include a low dose radiation (30 mrad) and sho half life I131 has a longer half-life (8 days) and emits higher levels of b-radiation I131 is optimal for imaging thyroid carcinoma. It is the screening modality of choice for the evaluation of distant metastasis Isotope T 1/2 I132 2.3 hours I123 13 hours I131 8 days Ref: Sabiston 20th edition Pgno :897
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Surgery
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