HEALTH & DISEASE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site goiter An enlargement of the thyroid gland in the neck, causing swelling below the larynx. It may represent the smooth swelling of an overactive gland in thyrotoxicosis or more often the enlargement caused by multiple cysts and nodules without functional change. Endemic goiter is enlargement associated with iodine deficiency, occurring in certain areas where the element is lacking in the soil and water. Rarely, goiter is due to thyroid cancer. If there is excessive secretion or pressure on vital structures surgery may be needed, although drug treatment or radiotherapy for excess secretion are often adequate. Related category    • HEALTH AND DISEASE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP