22. 1. Endemic in certain regions due to
deficiency of iodine in the diet
Treatment :to increase the supply of
iodine in the diet.
2. Hyperplasia:
Treatment : thyroid hormone to
suppress the normal thyroid
functioning
23. With Exophthalmos (protrusion of the eyeballs) occurs
as a result of the swelling of tissue behind the eyeball.
• Thyroidectomy,
• Antithyroid drugs
• Administration of radioactive
iodine
24. 1. Myxedema
because of the
collection of mucus-like
(myx/o means, mucus)
material under the skin
Treatment by
thyroid hormone
26. • Some tumors are very slow growing,
and others may metastasize widely.
Adenomas (benign growths) can be
distinguished from carcinomas
(malignant growths) by radioactive
iodine tracer scans.