Diseases of the letter "B"

Biliary atresia

Biliary atresia is the most common lethal liver disease in children, occurring once every 10,000-15,000 live births. Half of all liver transplants are done for this reason.

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Bladder cancer

Bladder cancer is a disease in which the cells lining the urinary bladder lose the ability to regulate their growth and start dividing uncontrollably. This abnormal growth results in a mass of cells that form a tumor.

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Breast biopsy

A breast biopsy is removal of breast tissue for examination by a pathologist. This can be accomplished surgically, or by withdrawing tissue through a needle.

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Blood clots

A blood clot is a thickened mass in the blood formed by tiny substances called platelets. Clots form to stop bleeding, such as at the site of a cut.

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Beta2-microglobulin test

Beta2-microglobulin is a protein found on the surface of many cells. Testing is done primarily when evaluating a person for certain kinds of cancer affecting white blood cells including chronic lymphocytic leukemia, non-Hodgkin's lymphoma, and multiple myeloma or kidney disease.

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Breastfeeding

The mother's body prepares for breastfeeding while she is pregnant. The fatty tissue of the breast is replaced by glandular tissue that is necessary to produce milk. When baby suckles the breast the hormone oxytocin is released.

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Bronchiectasis

Bronchiectasis is a condition in which an area of the bronchial tubes is permanently and abnormally widened (dilated), with accompanying infection.

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Burns

Burns are injuries to tissues caused by heat, friction, electricity, radiation, or chemicals. A physician will diagnose a burn based upon visual examination,

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Bursitis

Bursitis is the painful inflammation of the bursa, a padlike sac found in areas subject to friction. Bursae cushion the movement between the bones, tendons and muscles near the joints.

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Buerger's disease

Buerger's disease is an inflammation of the arteries, veins, and nerves in the legs, leading to restricted blood flow. Left untreated, Buerger's disease can lead to gangrene of the affected areas.

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Breast implants

Breast implantation is a surgical procedure for enlarging the breast. Breast-shaped sacks made of a silicone outer shell and filled with silicone gel or saline (salt water), called implants, are used.

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Bedbug infestation

Bedbug infestation is the contamination of bedding, clothing, and household furnishings with the insect Cimex lectularius or C. hemipterus, commonly known as bedbugs.

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Bladder stones

Bladder stones are crystalline masses that form from the minerals and proteins that naturally occur in urine. These types of stones are much less common than kidney stones.

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Bartonellosis

The acute form of the disease gets its name froman outbreak that occurred in 1871 near La Oroya, Peru. More than 7,000 people perished. Some survivors later developed a skin disease, called verruga peruana (Peruvian warts). These skin lesions were observed prior to the 1871 outbreak-perhaps as far back as the pre-Columbian era-but a connection to Oroya fever was unknown. In 1885, a young medical researcher, Daniel Carrion, inoculated himself with blood from a lesion to study the course of the skin disease. When he became ill with Oroya fever, the connection became apparent. Oroya fever is often called Carrion's disease in honor of his fatal experiment.

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