Colloid nodular goiter

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Endocrine glands

Thyroid enlargement - scintiscan

Thyroid gland

Endemic goiter

• Thyroid swelling -- may be one small nodule to a very large mass
• Breathing difficulties (rare)
• Swallowing difficulties (rare)
• Enlarged neck veins
• Dizziness when the arms are raised above the head (large goiter )

• Thyroid scan
• Thyroid ultrasound
• Blood tests to monitor thyroid function including thyroid stimulating hormone (high if underactive, low if overactive)
• Radioactive iodine uptake (normal or increased)
• Urinary excretion of iodine (low)

Review Date: 02/08/2007
Reviewed By: Robert Hurd, MD, Department of Biology, College of Arts and Sciences, Xavier University, Cincinnati, OH. Review provided by VeriMed Healthcare Network.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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