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Syphilis
Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum. This transmitted disease can affect people of any sex or…
Systemic Lupus Erythematosus
Systemic lupus erythematosus, often called lupus, is a chronic autoimmune disease in which the immune system mistakenly attacks healthy tissues. It can…
Tar Syndrome
TAR syndrome stands for thrombocytopenia-absent radius syndrome, a rare genetic condition. People with TAR typically have absent or severely underdeveloped radius bones…
Targeted Therapy
Targeted therapy is a cancer treatment that uses information about a tumor’s genes, proteins, or other molecular features to guide drug selection.…
Tennis Elbow
Tennis elbow is irritation or degeneration of the tendons that attach the forearm muscles to the bony outer part of the elbow.…
Testicular Cancer
Testicular cancer is a cancer that begins in one or both testicles, the organs that make sperm and testosterone. It most often…
Testosterone Blood Test
A testosterone blood test measures the amount of testosterone in a sample of blood. It may measure total testosterone, which includes testosterone…
Tetanus
Tetanus is a serious disease caused by a toxin made by Clostridium tetani bacteria. The bacteria usually enter the body through broken…
Tetanus Neonatorum
Tetanus neonatorum is a severe infection in a newborn caused by tetanus toxin. It usually develops when Clostridium tetani spores contaminate the…
Thalassemia
Thalassemia is an inherited blood disorder in which the body makes less hemoglobin than it needs. Hemoglobin is the protein in red…
Thirst
Thirst is the urge to drink. The brain monitors changes in body-fluid balance and the concentration of substances in the blood, such…
Thrombocytopenia
Thrombocytopenia is the medical term for a platelet count that is lower than usual. Platelets are small blood cells that gather at…
Thymic Carcinoma
Thymic carcinoma is a malignant tumor that starts in cells of the thymus, a small organ behind the breastbone in the upper…
Thymoma
The thymus is a small organ in the upper chest, behind the breastbone, that helps the immune system develop. A thymoma is…
Thyroid Adenoma
A thyroid adenoma is a usually benign growth that develops from thyroid tissue. It is one type of thyroid nodule, but not…
Thyroid Cancer
Thyroid cancer begins when cells in the thyroid grow and divide abnormally. The thyroid is a small, butterfly-shaped gland at the front…
Thyroid Disease
Thyroid disease is a group of conditions in which the thyroid makes too much, too little, or irregular amounts of thyroid hormone.…
Thyroid Nodule
A thyroid nodule is a lump that forms within the thyroid gland, a butterfly-shaped gland at the front of the neck below…
Tingling In Feet
Tingling in the feet is an unusual sensation that may feel like prickling, pins and needles, crawling, tickling, burning, or partial numbness.…
Tinnitus
Tinnitus is the perception of sound when there is no external sound source, such as ringing, buzzing, hissing, humming, clicking, or pulsing.…
Tongue Tie
Tongue tie, also called ankyloglossia, occurs when the band of tissue under the tongue, called the lingual frenulum, restricts tongue movement. Some…
Tonsillitis
Tonsillitis is inflammation of the tonsils, the small areas of immune tissue at the back of the throat. It is usually caused…
Toxic Multinodular Goitre
Toxic multinodular goitre is an enlarged thyroid gland containing several nodules that make too much thyroid hormone. These hormones, mainly thyroxine and…
Traditional Liposuction
Traditional liposuction is a surgical body-contouring procedure that removes localized pockets of fat. After the treatment area is prepared with fluid, a…
