Alaska's Western Arctic Caribou herd forms aggregations or groups that can stretch for miles. The herd is on a three-year census schedule. The Department attempted a census during July 2002 but high wind, snow and fog forced a one-year delay. Weather almost prevented the 2003 attempt as well.
Finally, thyroid cancer may also be detected as a cause of an enlarged thyroid gland. It is quite clear that enlargement of the thyroid or the presence of nodules within the thyroid is common, particularly as revealed when sensitive imaging techniques such as ultrasound are used.
1 Goiter - enlargement of the thyroid gland. 2  Hyperthyroidism - when your thyroid gland makes more thyroid hormones than your body needs. 3  Hypothyroidism - when your thyroid gland does not make enough thyroid hormones. 4  Thyroid cancer. 5  Thyroid nodules - lumps in the thyroid gland.  Thyroiditis - swelling of the thyroid.