Diseases & conditions A-Z List
Diseases & Conditions A-Z List - «T»:
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TSH test
A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine (T4) and triiodothyronine (T3).
See also:
T3 test
T4 test
How the Test is Performed
Blood is typical...
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TSI
TSI stands for thyroid stimulating immunoglobulin. TSI stimulates the thyroid gland to enlarge and release excess amounts of thyroid hormone.
This article discusses the test to determine the amount of TSI in your blood.
How the Test is Performed
Blood is typically drawn from a vein, usually from th...
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Tubal ligation
Tubal ligation (or "tying the tubes") is surgery to close a woman's fallopian tubes. These tubes connect the ovaries to the uterus. A woman who has this surgery can no longer get pregnant (sterile).
Description
Tubal ligation is done in a hospital or outpatient clinic. You may receive general anest...
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Tubal ligation - discharge
You had tubal ligation (or "tying the tubes") surgery to close your fallopian tubes. These tubes connect the ovaries to the uterus. After tubal ligation a woman is sterile. This means you can no longer get pregnant.
Your surgeon probably made 1 or 2 small cuts in the area around your belly button. ...
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Tubercle
A tubercle is a small rounded point of a bone. It also refers to a nodule attached to bone, mucous membrane, or skin.
The term "tubercle" is less commonly used to refer to lesions resulting from Mycobacterium tuberculosis infection....
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Tuberculous arthritis
Tuberculous arthritis is an infection of the joints due to tuberculosis (TB).
See also: Spondylitis
Causes
Approximately small number of people who have TB will develop this form of arthritis. The joints most often involved are the:
Ankles
Hips
Knees
Spine
Wrists
Most cases involve just one join...
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Tuberculous pleural effusion
Tuberculous (TB) pleural infusion is a buildup of fluid in the space between the lining of the lung and the lung tissue (pleural space) after a severe, usually long-term infection with tuberculosis.
See also:
Pleural effusion
Tuberculosis
Causes
As the number of patients with HIV and AIDS inc...
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Tuberous sclerosis
Tuberous sclerosis is a group of two genetic disorders that affect the skin, brain/nervous system, kidneys, and heart, and cause tumors to grow. The diseases are named after a tuber- or root-shaped growth in the brain.
Causes
Tuberous sclerosis is inherited. Changes (mutations) in two genes, TSC1 a...
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Tularemia
Tularemia is an infection common in wild rodents. It is transmitted to humans by contact with infected animal tissues or by ticks, biting flies, and mosquitoes.
Causes
Tularemia is caused by the bacterium Francisella tularensis.
Humans can get the disease through:
Direct contact, through a break ...
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Tumor
A tumor is an abnormal growth of body tissue. Tumors can be cancerous (malignant) or noncancerous (benign).
Causes
In general, tumors occur when cells divide excessively in the body. Typically, cell division is strictly controlled. New cells are created to replace older ones or to perform new funct...
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Twin-to-twin transfusion syndrome
Twin-to-twin transfusion syndrome (TTTS) is a rare condition that occurs only in identical twins while they are in the womb.
Causes
TTTS occurs when blood moves from one twin to the other. The twin that loses the blood is called the donor twin. The twin that receives the blood is called the recipi...
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Tympanometry
Tympanometry is a test used to detect disorders of the middle ear.
How the Test is Performed
Before the test, your health care provider will look inside your ear canal to make sure there is a clear path to your eardrum.
Next, a device is placed into your ear. This device changes the air pressure in...
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Type 1 diabetes
Type 1 diabetes is a chronic (lifelong) disease that occurs when the pancreas does not produce enough insulin to properly control blood sugar levels.
See also:
Diabetes
Gestational diabetes
Type 2 diabetes
Causes
There are several forms of diabetes. Type 1 diabetes used to be called juvenil...
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Type 2 diabetes
Type 2 diabetes is a chronic (lifelong) disease marked by high levels of sugar (glucose) in the blood. Type 2 diabetes is the most common form of diabetes.
See also:
Diabetes
Gestational diabetes
Type 1 diabetes
Metabolic syndrome
Causes
Diabetes is caused by a problem in the way your bod...
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Type 2 diabetes - risk factors
You have a higher risk for diabetes if you have any of the following:
Age greater than 45 years
Diabetes during a previous pregnancy
Excess body weight (especially around the waist)
Family history of diabetes
Given birth to a baby weighing more than 9 pounds
HDL cholesterol under 35 mg/dL
High bloo...