thyroid glands grow larger than normal from the lack of iodine

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Cause of Disease

Lack of IodineGraves’ disease (over active goiter)

Hashimoto's disease (under active goiter)

Thyroid cancerPregnancy Inflammation

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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.

1) The pituitary releases TSH into the thyroid gland.

2) If the thyroid has the right amount of minerals it will release an inactive hormone T4

How Does the Disease Affect Homeostasis?

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Causing the precursors to the hormone to build up. Causing a Goiter.

Without Iodine T4 cannot be released.

Characteristics of Disease

A tight feeling in your throatCoughingDifficulty swallowingDifficulty breathingDizzinessHoarsenessVisible Swelling

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Who is Affected?

o 15.8% of the world populationo 10.1% in the Americas o 59.9% in Europeo 3–7% in the U.S. 54 countries had iodine deficiency 29 countries had excessive iodine intake 43 countries achieved most iodine intake Woman are more affected then men

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Diagnosis

Testing• Hormone Test• Antibody Test• Ultrasound • Thyroid Scan• Biopsy

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Prognosis

Goiters are not the cause of death but the lack of T4 hormone hurts the heart

causing death.

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Treatment&Prevention

Observation Medications-

Levothyroxine– Helps simulate

hormones in pituitary glands

Surgery Radioactive iodine

– Taken orally– Destroys Thyroid cells

Taking a healthy amount of iodine helps prevent goiters

– Can be taken through iodized salt

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By Minneford

BibliographyPicture Sources

1) http://commons.wikimedia.org/wiki/File:Thyroid,_Diffuse_Hyperplasia.jpg2) http://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/articles/

health_and_medical_reference/miscellaneous/understanding_goiter_basics.jpg3) http://www.medcom.co.nz/images/hormones/Thyroidfunction1.gif4) http://64.143.176.9/library/healthguide/en-us/images/media/medical/hw/h9991416_001.jpg5) http://www.buzzle.com/img/articleImages/344724-53811-30.jpg6) http://www.waent.org/archives/2009/vol2-1/parathyroid/pictures/thyroid-goiter-740_small.jpg7) http://2.bp.blogspot.com/_LL7wVo8NjjA/SOlxgJMmI-I/AAAAAAAAAnk/gcq2WPHq0lA/s400/IodizedSaltBox.jpg8) http://www.airahospital.org/wp-content/uploads/2008/10/goiter-2.jpg9) http://www.freewebs.com/apbiosite/goiter%20x-ray1.bmp10) http://media.photobucket.com/image/goiters/Minneford/Thyroid_Goiter_removed.jpg

Content Sources

http://www.mayoclinic.com/health/goiter/DS00217/DSECTION=causes http://www.mayoclinic.com/health/goiter/DS00217 http://www.mayoclinic.com/health/goiter/DS00217/DSECTION=symptoms http://www.indianpediatrics.net/dec-99/99-dec-8.htm http://www.healthline.com/channel/goiter_treatments http://www.mayoclinic.com/health/goiter/DS00217/DSECTION=tests-and-diagnosis http://www.mayoclinic.com/health/goiter/DS00217/DSECTION=treatments-and-drugs http://www.wrongdiagnosis.com/g/goiter/prevalence.htm