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Understand Thyroid Scan - Dr.Tanvi Mayur Patel

For online/offline paid consultation appointment wa.me/919987829999 how Thyroid Scan is done and interpreted by Dr.Tanvi Mayur Patel Timestamp & Chapters 0:00 Introduction of topic 0:45 link for hindi language 1:17 what is thyroid scan 2:16 history of thyroid scan 2:35 Advantages 3:42 Where is the scan done 4:03 is hospitalisation needed ? 4:45 team of drs before doing the scan 5:32 equipment used for thyroid scan 7:24 indications for thyroid scan 11:26 contraindications 12:58 preparations before scan 17:05 how scan is done 22:16 What is the radiation dose 24:16 report interpretation thyroid scan is functional nuclear medicine study used to assess the activity of the thyroid. other names -Thyroid scan (Tc-99m) ,technetium scan ,Tc-99m pertechnetate thyroid scan, scintigraphy Earlier thyroid scans were done with radioactive iodine. It is replaced by technetium (Tc- 99m) scan Advantages - chaper, lower radiation dose , unlike iodine, pertechnetate anion is not incorporated into thyroid hormones., short half life 6 hrs so rapidly eliminated it is done in nuclear medicine department of hospital and no hospitalisation is needed No need to enter inside any machine it is Not a primary investigation. OTHER test- thyroid function tests (TSH, T4 and T3, thyroglobulin, TSI, TPOAb), ultrasound Indications Size and Shape of Thyroid, To know Thyroid activities Differentiate from Hyperthyroidism and Hypothyroidism To know cause of Hyperthyroidism Differentiate from benign and malignant nodule After thyroid surgery Metastatic of thyroid cancer Retrosternal goiter Contraindication Pregnancy ,Breastfeeding women ,Allergy to Chemical, History of CT scan requiring IV iodine contrast medium in previous 6 to 8 week, medicines continued like lithium and amiodarone preparation before thyroid scan low iodine salt, low iodine diet, avoid iodine supplements stop medicines like levothyroxine, liothyronine, carbimazole and propylthiouracil, amiodarone, lithium if you had (CT) scan IV iodine contrast than wait for at least 6–8 weeks. check if pregnant or if you are breast-feeding. if not sure do urine pregnancy test, beta hcg on the day of test How does the test performed ? fast for 4 hours prior to exam carry medical file and documents carry medicines wear loose clothes and half sleeves/ sleeveless. to remove neck jewellery. expect the whole process to take 45–60 minutes A nuclear medicine specialist may wish to examine your neck body position - lying down on a bed and the camera will be positioned very close over your head, but will not touch you.( gap of 20cm ) If u can't lie down than sitting can be advised. sodium pertechnetate is injected intravenously into arm and wait for 15 mins during this time it will concentrate in the thyroid gland.after that images of the thyroid are obtained with a scintillation camera . radionuclide emits gamma rays (photons) at a predictable rate. The camera is set to detect a predetermined minimum number of photons. Images are usually obtained from anterior, left anterior oblique and right anterior oblique projections Two anterior images are usually taken. camera may move slightly during this time. It is important you lie very still and try not to swallow during this time, as movement will blur the pictures. What is the radiation dose? Radiation dose is measured in units of millisieverts (mSv). it is approximately 3.2 mSv. no known associated risks. The dose of radiation you will be receiving is relatively small No hospital stay After the scan they will be able to drive and resume a normal diet and activities. Increased uptake-- Graves disease,Hashitoxicosis Normal uptakeHashimoto disease, following I-131 therapy Decreased uptake--excess iodine intake,amiodarone, high iodine diet, iodinated contrast, subacure thyoiditis, Struma ovaii, Hashimoto disease Abnormal site of uptake- ectopic thyroid, lingual thyroid, Retrosternal goiter THYROID QUESTION ANSWER SERIES IN HINDI    • THYROID Q AND A HINDI   PROLACTIN HORMONE SERIES IN HINDI    • PROLACTIN HORMONE SERIES HINDI   We are happy to announce that with we are ranked Top Endocrinologist in Mumbai. https://threebestrated.in/endocrinolo... Instagram:   / drtanvimayurpatel   Please Note : This video is for Educational purpose only. We strongly recommend to consult your Doctor/ Physician before taking any medication/Supplementation . All Contents by Speech & Video by : Dr. Tanvi Mayur Patel Video Editing, Uploading by : Vimal Vanani, Surat Work Portfolio : https://behance.net/VimalVanani Breeze by MBB   / mbbofficial   Creative Commons — Attribution-ShareAlike 3.0 Unported — CC BY-SA 3.0 Free Download / Stream: http://bit.ly/2PFncFB Music promoted by Audio Library    • Breeze / Fantastic / Fresh – MBB (No ...