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  1. 1. thyroid glands grow larger than normal from the lack of iodine Goiter 1
  2. 2. Cause of Disease <ul><li>Lack of Iodine </li></ul><ul><li>Graves’ disease (over active goiter) </li></ul><ul><li>Hashimoto's disease (under active goiter) </li></ul><ul><li>Thyroid cancer </li></ul><ul><li>Pregnancy </li></ul><ul><li>Inflammation </li></ul>2
  3. 3. How Does the Organ Normally Work? 3 3) With the help of other hormones in the body T4 will turn into T3 which is an active hormone. <ul><li>The pituitary releases TSH into the thyroid gland. </li></ul>2) If the thyroid has the right amount of minerals it will release an inactive hormone T4
  4. 4. How Does the Disease Affect Homeostasis? 4 3 Causing the precursors to the hormone to build up. Causing a Goiter. Without Iodine T4 cannot be released.
  5. 5. Characteristics of Disease <ul><li>A tight feeling in your throat </li></ul><ul><li>Coughing </li></ul><ul><li>Difficulty swallowing </li></ul><ul><li>Difficulty breathing </li></ul><ul><li>Dizziness </li></ul><ul><li>Hoarseness </li></ul><ul><li>Visible Swelling </li></ul>9
  6. 6. Who is Affected? <ul><li>15.8% of the world population </li></ul><ul><li>10.1% in the Americas </li></ul><ul><li>59.9% in Europe </li></ul><ul><li>3–7% in the U.S. </li></ul><ul><li>54 countries had iodine deficiency </li></ul><ul><li>29 countries had excessive iodine intake </li></ul><ul><li>43 countries achieved most iodine intake </li></ul><ul><li>Woman are more affected then men </li></ul>8
  7. 7. Diagnosis <ul><li>Testing </li></ul><ul><li>Hormone Test </li></ul><ul><li>Antibody Test </li></ul><ul><li>Ultrasound </li></ul><ul><li>Thyroid Scan </li></ul><ul><li>Biopsy </li></ul>5
  8. 8. Prognosis <ul><li>Goiters are not the cause of death but the lack of T4 hormone hurts the heart causing death. </li></ul>6
  9. 9. Treatment&Prevention <ul><li>Observation </li></ul><ul><li>Medications- Levothyroxine </li></ul><ul><ul><li>Helps simulate hormones in pituitary glands </li></ul></ul><ul><li>Surgery </li></ul><ul><li>Radioactive iodine </li></ul><ul><ul><li>Taken orally </li></ul></ul><ul><ul><li>Destroys Thyroid cells </li></ul></ul><ul><li>Taking a healthy amount of iodine helps prevent goiters </li></ul><ul><ul><li>Can be taken through iodized salt </li></ul></ul>7 10 By Minneford
  10. 10. Bibliography <ul><li>Picture Sources </li></ul><ul><li>,_Diffuse_Hyperplasia.jpg </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li>Content Sources </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul><ul><li> </li></ul>