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Chap 13 Terms
Diagnostic and Therapeutic Procedures
Term | Definition |
---|---|
exophthalmometry | Test that measures the degree of forward displacement of the eyeball (exophthalmos) as seen in Graves disease |
fasting blood glucose | Test that measures blood glucose levels after a 12-hour fast |
glucose tolerance test (GTT) | Test that measures the body’s ability to metabolize carbohydrates by administering a standard dose of glucose and measuring glucose levels in the blood and urine at regular intervals |
insulin tolerance test | Test that determines insulin levels in serum (blood) by administering insulin and measuring blood glucose levels in blood at regular intervals |
protein-bound iodine (PBI) | Test that measures the concentration of thyroxine in a blood sample |
thyroid function test (TFT) | Test that detects an increase or decrease in thyroid function |
total calcium | Test that measures calcium to detect bone and parathyroid disorders |
computed tomography (CT) | Imaging technique that rotates an x-ray emitter around the area to be scanned and measures the intensity of transmitted rays from different angles |
magnetic resonance imaging (MRI) | Noninvasive imaging technique that uses radio waves and a strong magnetic field rather than an x-ray beam to produce multiplanar crosssectional images |
radioactive iodine uptake (RAIU) | Administration of radioactive iodine (RAI) orally or intravenously (IV) as a tracer to test how quickly the thyroid gland takes up (uptake) iodine from the blood |
thyroid scan | After injection of a radioactive substance, a scanner detects radioactivity and visualizes the thyroid gland |
microneurosurgery of the pituitary gland | Microdissection of a tumor using a binocular surgical microscope for magnification |
parathyroidectomy | Excision of one or more of the parathyroid glands, usually to control hyperparathyroidism |
pinealectomy | Removal of the pineal body |
thymectomy | Excision of the thymus gland |
thyroidectomy | Excision of the thyroid gland |
partial | Method of choice for removing a fibrous, nodular thyroid |
subtotal | Removal of most of the thyroid to relieve hyperthyroidism |