Labels:text | screenshot | black and white | black | font | document OCR: use of lodine deficiency is the most common orld-wide, goitre and borderline hypothyroidism In non iodine-deficient areas, however se of autoimmunity is the most common ca therapy by hypothyroidism (Fig. 15.19). Destructive accounts surgery or radioiodine for thyrotoxicos Excessive for approximately one-third of all cases h of iodine (e.g. as a result of chronic ingesti fuse proprietary cough medicines) may also n due to hypothyroidism. Primary hypothyroid more failure of the thyroid gland itself is mu ary common than failure secondary to pitu due to dysfunction, or tertiary hypothyroidism hypothalamic disease.