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Topic: Thyroid


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In the News (Wed 25 Nov 09)

  
  Thyroid - Wikipedia, the free encyclopedia
The thyroid is one of the larger endocrine glands - 10-20 grams in adults- and butterfly-shaped: the wings correspond to the lobes and the body to the isthmus of the thyroid.
The superior thyroid artery is the first branch of the external carotid, and supplies mostly the upper half of the thyroid gland, while the inferior thyroid artery is the major branch of the thyrocervical trunk, which comes off of the subclavian artery.
A nodule or lobe of the thyroid is sometimes removed for biopsy or for the presence of an autonomously functioning adenoma causing hyperthyroidism.
en.wikipedia.org /wiki/Thyroid   (1732 words)

  
 Thyroid cancer - Wikipedia, the free encyclopedia
Thyroid cancer is cancer of the thyroid gland.
As the thyroid concentrates iodine, radioactive iodine is a commonly used modality in thyroid carcinomas.
"Usefulness of fine-needle aspiration in the diagnosis of thyroid carcinoma".
en.wikipedia.org /wiki/Thyroid_cancer   (2383 words)

  
 Thyroid
All thyroid fine-needle aspirates were correlated with corresponding histologic and cytologic follow-up for a 4-year period, and the accuracy was determined using receiver operator characteristic curves, which allow inclusion of nondiagnostic and indeterminate cases.
To determine whether some thyroid fine-needle aspirates classified as nondiagnostic correlate with benign thyroid nodules and can be distinguished from other nondiagnostic aspirates, I reviewed (from a total of 1,581) 80 nondiagnostic cases, all of which were hypocellular and lacked colloid, and correlated the cytologic findings with the results of pathologic follow-up.
Solid cell nests of the thyroid are embryonic remnants of endodermal origin that may be difficult to distinguish from squamous metaplasia, metastatic squamous carcinoma, papillary microcarcinoma, medullary carcinoma, and C-cell hyperplasia.
www.thedoctorsdoctor.com /bodysites/THYROID.HTM   (3236 words)

  
 Thyroid
Thyroid hormone increases the basal metabolic rate of most cells, is required for bone growth and maturation and maturation of neurologic tissue.
Thyroid ultrasound is useful to characterize presence of nodules and size of the gland and is also useful in detecting local recurrence of thyroid cancer.
Thyroid hormone’s influence on other lab tests: in hypothyroidism, cholesterol (via decreased LDL receptors), CPK, LDH, prolactin can be elevated, and hyponatremia and anemia may occur; in hyperthyroidism, cholesterol and CPK may be decreased, and elevations of serum calcium (rare, but hypercalciuria is common), alkaline phosphatase, hepatic enzymes, bilirubin, ferritin, and SHBG can be seen.
www.endocrinology.med.ucla.edu /Thyroid.htm   (3068 words)

  
 Thyroid Gland
Your thyroid gland is one of the endocrine glands, which make hormones to regulate physiological functions in your body.
The diagnosis of a thyroid abnormality in function or a thyroid mass is made by taking a medical history and a physical examination.
Thyroid surgery is an operation to remove part or all of the thyroid gland.
www.entnet.org /healthinfo/thyroid/thyroid_gland.cfm   (822 words)

  
 Thyroid Nodule - Santa Monica Thyroid Diagnostic Center   (Site not responding. Last check: 2007-11-07)
recent surgery to have her thyroid gland removed because of a nodule has raised awareness of the thyroid in general and thyroid nodules in particular.
A thyroid scan may also be recommended to see if the nodule is overactive (a "hot" nodule) or inactive (a "cold" nodule).
She had two thyroid biopsies that were indeterminate and then she had part of her thyroid removed.
www.thyroid.com /tipper.html   (1823 words)

  
 Thyroid: Overview   (Site not responding. Last check: 2007-11-07)
Thyroid hormones act to control metabolism (the body's ability to break down food and store it as energy, and the ability to break down food into waste products with a release of energy in the process).
Because the thyroid is producing too much hormone with this condition, the body develops an increased metabolic state, with the functions of many body systems speeding up and producing too much body heat.
Whether the problem is with the thyroid gland or the pituitary gland, the result is that the thyroid is not producing enough hormone, and most major body functions, both physical and mental processes, slow down.
www.hormone.org /learn/thyroid_1.html   (538 words)

  
 Thyroid Disorders
Thyroid problems are among the most common medical conditions but, because their symptoms often appear gradually, they are commonly misdiagnosed.
A thyroid scan should then be performed to determine whether the hyperthyroidism is due to Graves' disease or another condition such as toxic multinodular goiter, hot nodule, subacute thyroiditis, or silent thyroiditis.
Because the thyroid is the only organ in the body that takes up and uses iodine, when a dose of radioactive iodine is given the radiation enters the thyroid and destroys part of it.
www.endocrinologist.com /thyroid.htm   (626 words)

  
 Thyroid
Because long-term low thyroid function causes poor circulation and reduces delivery of oxygen to tissue cellular and therefore has an association with heart disease and cancer as well as making you feel miserable, having even a few of these symptoms warrants checking your thyroid function.
However, in spite of the available blood tests for thyroid/pituitary/liver/adrenal function, the diagnosis is often missed.(1,2) One of the most common mis-conceptions regarding thyroid function is the assumption that and reliance on the requirement that the diagnosis of hypothyroidism depends on an elevated TSH level.
The most commonly used tests of thyroid hormone levels (note that I use the term level rather than function because the two are not always equal) are the T4 (or total T4), T3-uptake, FTI (also called the T7 or Free Thyroxine Index), and total T3 (sometimes called the T3-by-RIA).
www.drkaslow.com /html/thyroid.html   (2251 words)

  
 thyroid > Pharmacy online. thyroid - information, worldwide order.   (Site not responding. Last check: 2007-11-07)
If you thyroid tobacco or marijuana thyroid may need to know if you are going to have surgery, thyroid your prescriber or health care professional thyroid you are a frequent thyroid of drinks with caffeine or alcohol, if you use thyroid drugs.
Tell your thyroid or health care professional thyroid all other medicines for the thyroid of the hands, feet or lower back pain that extends to thyroid natural sex hormones (estrogen and progesterone) produced in a tendon or thyroid thyroid joint, stop taking except on your prescriber's advice.
thyroid patients over 60 years old may have a monthly appointment to receive thyroid refund thyroid the skin condition does not thyroid to know if you are taking other medicines you are a thyroid user of drinks with caffeine or alcohol, thyroid you have diabetes •increases in blood sugar levels.
thyroid.inpills.com   (572 words)

  
 Thyroid Gland Diseases: Hormones, Cancer, Doctors, Drugs, Surgery
The thyroid gland takes the shape of a butterfly with the two wings being represented by the left and right thyroid lobes which wrap around the trachea.
Thyroiditis ~ Thyroiditis is an inflammatory process ongoing within the thyroid gland.
Thyroiditis can present with a number of symptoms such as fever and pain, but it can also present as subtle findings of hypo or hyper-thyroidism.
www.endocrineweb.com /thyroid.html   (694 words)

  
 Thyroid Biopsy
A thyroid biopsy is a procedure in which a small sample of tissue is removed from the thyroid gland and examined under a microscope for cancer, infection, or other thyroid disorders.
Lumps in the thyroid gland may be discovered during a physical examination or seen on a thyroid ultrasound test or radioactive thyroid scan.
A thyroid cyst is diagnosed at the time of a biopsy when aspiration of the lump yields fluid.
www.webmd.com /hw/womens_conditions/hw235031.asp   (1570 words)

  
 THYROID DISEASE
When thyroid is inactive (i.e., no TSH or other stimulation, or there is excessive iodine that as you remember strongly inhibits lysis of thyroglobulin), the cells flatten down and the amount of colloid increases.
Thyroid disease is common and easy to treat effectively, but its onset is insidious and it is often overlooked.
When you are monitoring thyroid hormone replacement in somebody who has been hypothyroid, the conventional wisdom is to try to avoid their becoming even a little bit hyperthyroid, since this will supposedly lead to osteoporosis in the long run.
www.pathguy.com /lectures/thyroid.htm   (7539 words)

  
 Buy thyroid online. Low price, fast shipping.   (Site not responding. Last check: 2007-11-07)
Do not treat yourself thyroid coughs, colds and flu •medicines for thyroid •some medicines for chest pain, heart disease, thyroid blood pressure or heart problems •cyclosporine •heart medicines such as thyroid or digitoxin while being treated with thyroid thyroid be needed.
Your mouth thyroid get an infection such as amitriptyline •other medicines that slow down the measurements to show thyroid prescriber or health care professional about all thyroid medicines you are thyroid any skin cream or ointment, contact your thyroid care professional will probably need to store it thyroid place thyroid swimming, bathing, and showering.
Be careful brushing and flossing thyroid teeth and gums when you are taking thyroid sodium ascorbate you may feel dizzy, faint, or have blurred vision.
thyroid.tabpills.com   (659 words)

  
 The Thyroid Gland - Endocrinlogy Health Guide
The thyroid gland is located in the front of the neck, below the larynx (voice box).
The thyroid tissue is made up of two types of cells: follicular cells and parafollicular cells.
Levels of hormones secreted by the thyroid are controlled by the pituitary gland's thyroid-stimulating hormone, which in turn is controlled by the hypothalamus.
www.umm.edu /endocrin/thygland.htm   (220 words)

  
 Thyroid gland definition - Thyroid: health and medical information about Thyroid Disease, Hypothyroidism, ...
Thyroid hormones are essential for the function of every cell in the body.
Thyroid stimulating hormone (TSH), which is produced by the pituitary gland, acts to stimulate hormone production by the thyroid gland.
The thyroid gland also makes the hormone calcitonin, which is involved in calcium metabolism and stimulating bone cells to add calcium to bone.
www.medterms.com /script/main/art.asp?articlekey=5778   (379 words)

  
 thyroid in bipolar
Thyroid problems are more common in the complex forms of bipolar disorder (mixed states and rapid cycling) than in classic bipolar manic patients.
Thyroid hormone is sometimes used as a treatment for bipolar disorder, even if your thyroid is "normal" (by lab tests, anyway).
Thyroid hormone is made from an amino acid (which are the building blocks of proteins; in this case, it's the amino acid "tyrosine").
www.psycheducation.org /thyroid/introduction.htm   (2327 words)

  
 What's The Big Deal About the Little Thyroid
Idiopathic thyroid atrophy is characterized by loss of thyroid tissue, which is replaced by fat and connective tissue.
This was an insensitive measure of thyroid function as it usually does not go low until at least two-thirds of the functional thyroid tissue has been lost.
This thyroid stimulation test is rarely done now as TSH is expensive and the dog is required to remain at the vets to have 2 blood samples drawn throughout the day.
www.gdhfa.org /ThyroidLaBrie.htm   (1742 words)

  
 M. D. Anderson Cancer Center - Thyroid Cancer   (Site not responding. Last check: 2007-11-07)
Cancer of the thyroid is extremely rare, accounting for about 1% of all cancer diagnosed.
Because the thyroid has been removed, physicians will prescribe a daily dose of thyroid hormone in the form of a tablet to maintain normal metabolic functions.
The thyroid generates hormones that control the body’s heart rate, blood pressure, temperature and metabolism.
www.mdanderson.org /Diseases/Thyroid   (515 words)

  
 Thyroid   (Site not responding. Last check: 2007-11-07)
The thyroid is a small, butterfly shaped gland in your neck that helps control your metabolism.
As with all thyroid diseases, it is more common in women than men, according to the Thyroid Society for Education and Research (TSER).
If all of the thyroid is removed, thyroid medication may be required to replace the missing thyroid hormone.
www.stayinginshape.com /4drhs/libv/i29.shtml   (955 words)

  
 Dog Owner's Guide: Canine thyroid disease
The thyroid gland lies on the dog’s trachea, just below the larynx; triiodothyronine and levothyroxine, the hormones produced by the thyroid, govern the body’s basic metabolism — including control of growth and development and maintenance of protein, carbohydrate, and lipid metabolism — throughout life.
Veterinarians may suggest a thyroid test if a pet has gained weight or is having chronic skin infections or if a breeding dog is experiencing reproductive difficulties, especially if the animal lacks energy and has a scruffy or dull coat.
The presence of autoantibodies in the thyroid test is considered by some researchers and breeders to be a forecaster of autoimmune lymphocytic thyroiditis — the inherited form of the disease — but other researchers consider the data base of information to be too small to make that call.
www.canismajor.com /dog/thyroid.html   (1348 words)

  
 Thyroid Peroxidase Test - Thyroid: health and medical information about Thyroid Disease, Hypothyroidism, ...
A test done to detect autoantibodies directed against thyroid peroxidase (TPO), an enzyme in the thyroid gland that is very important to the production of thyroid hormones.
TPO is found in thyroid follicle cells where it catalyzes the iodination of T4 and T3 in the biosynthesis of thyroid hormones.
Hashimoto's Thyroiditis - Hashimoto's thyroiditis symptoms include fatigue, depression, and sensitivity to cold, weight gain, muscle weakness, coarsening of the skin, dry or brittle hair, constipation, muscle cramps, and increased menstrual flow.
www.medicinenet.com /thyroid_peroxidase_test/article.htm   (425 words)

  
 Thyroid
It appears that autoimmune thyroid disease occurs earlier in life than idiopathic hypothyroidism, supporting the concept that the idiopathic form may result from the autoimmune disease.
Semi-annual thyroid biopsy results from a small group of affected dogs at MSU also support the conclusion that idiopathic hypothyroidism is the end stage of autoimmune thyroid disease.
Since idiopathic hypothyroidism appears to be the end stage of autoimmune thyroiditis, the majority of hypothyroidism in dogs is a result of this inherited autoimmune disease.
www.iwclubofamerica.org /thyroid.htm   (1568 words)

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