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Aarskog syndrome 03/13/2006
Aarskog syndrome is an inherited disease characterized by short stature , facial abnormalities, musculoskeletal, and genital anomalies. Causes, incidence, and risk factors: Aarskog syndrome is an X-linked recessive genetic disorder (although some studies show it could possibly be an X-linked dominant disorder), therefore, mainly males are affected, although females may have a milder manifestation of some of the features. It is caused by mutations in a gene called "faciogenital dysplasia" ( FGDY1) found on the X chromosome. |
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Aase syndrome 07/02/2007
Aase-Smith syndrome Causes, incidence, and risk factors: Most cases of Aase syndrome occur without a known reason and are not passed down through families (inherited). However, some cases have been shown to be inherited as an autosomal dominant and autosomal recessive traitn. The anemia associated with Aase syndrome is caused by underdevelopment of the bone marrow, which is where blood cells are formed. |
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Abdominal aortic aneurysm 12/07/2006
Aneurysm - aortic Causes, incidence, and risk factors: The exact cause is unknown, but risk factors for developing an aortic aneurysm include: High blood pressure Smoking High cholesterol Obesity Emphysema Genetic factors Male gender An abdominal aortic aneurysm can develop in anyone, but it is most frequently seen in males over 60 with one or more risk factors. |
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ABO incompatibility 03/13/2007
ABO incompatibility is a reaction of the immune system that occurs if two different and not compatible blood types are mixed together. Causes, incidence, and risk factors: A, B, and O are the three major blood types. The types are based on small substances (molecules) on the surface of the blood cells. In people who have different blood types, these molecules act as immune system triggers (antigens). Each person has a combination of two of these surface molecules. |
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Abortion - complete 08/17/2007
Complete abortion Causes, incidence, and risk factors: Symptoms: Signs and tests: Treatment: This type of abortion usually does not need medical help. Support Groups: Expectations (prognosis): Complications: Calling your health care provider: Prevention: Review Date: 8/17/2007 Reviewed By: Melanie N. |
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Abortion - elective or therapeutic 09/19/2006
Therapeutic abortion; Elective abortion Causes, incidence, and risk factors: Elective abortions are those initiated by personal choice. Roughly 20% of all pregnancies (excluding miscarriages) end in elective abortion. It has been reported that since abortion was legalized in 1973 through 2002, over 42 million legal abortions have been performed. |
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Abortion - incomplete 11/08/2006
Incomplete abortion Causes, incidence, and risk factors: Symptoms: Typical symptoms include vaginal bleeding and lower abdominal cramping. Signs and tests: Treatment: In most cases, a surgical procedure called curettage is done to remove the remaining material from the uterus. |
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Abortion - infected 11/08/2006
Infected miscarriage Causes, incidence, and risk factors: An infected abortion may occur if parts of the fetal or placental tissue stay in the uterus after an incomplete abortion. Symptoms: Fever Vaginal bleeding Cramping Signs and tests: Treatment: Support Groups: Expectations (prognosis): Complications: Calling your health care provider: Prevention: Review Date: 11/8/2006 Reviewed By: Audra Robertson, MD, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, MA. |
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Abortion - threatened 08/17/2007
Threatened miscarriage; Threatened spontaneous abortion Causes, incidence, and risk factors: A small number of pregnant women have some vaginal bleeding , with or without abdominal cramps, during the first trimester of pregnancy. This is known as a threatened abortion. Most of these pregnancies go on to term with or without treatment. |
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Abscess 09/25/2006
An abscess is a localized collection of pus in any part of the body that is surrounded by swelling (inflammation). Causes, incidence, and risk factors: Abscesses occur when an area of tissue becomes infected and the body's immune system tries to fight it. White blood cells move through the walls of the blood vessels into the area of the infection and collect within the damaged tissue. During this process, pus forms. Pus is the build up of fluid, living and dead white blood cells, dead tissue, and bacteria or other foreign substances. |
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