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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «A»:

  1. Anorchia Anorchia
    Anorchia is the absence of both testes at birth. Causes In the first several weeks after the egg is fertilized, the embryo develops early sex organs. In the male, if the early testes fail to develop before 8 weeks into the pregnancy, the baby will have female genitals. If the testes are lost betwee...
  2. Anorectal abscess Anorectal abscess
    An anorectal abscess is a collection of pus in the area of the anus and rectum. Causes Common causes include: Blocked gland in the area Infection of an anal fissure Sexually transmitted infection Deep rectal abscesses may be caused by intestinal disorders such as Crohn's disease or diverticulit...
  3. Anorexia nervosa Anorexia nervosa
    Anorexia nervosa is an eating disorder that involves an inability to stay at the minimum body weight considered healthy for the person's age and height. Persons with this disorder may have an intense fear of weight gain, even when they are underweight. They may use extreme dieting, excessive exercis...
  4. Anoscopy Anoscopy
    Anoscopy is a method to view the anus, anal canal, and lower rectum. How the Test is Performed A digital rectal exam is done first. Then, a lubricated instrument (anoscope) is placed a few inches into the rectum. You will feel some discomfort when this is done. The anoscope has a light on the end, ...
  5. Anterior Anterior
    Anterior means "in front of" or "the front surface of." The term usually refers to the front side of the body. For example, your knees and your face are on the anterior surfaces of your body. Alternative Names Ventral...
  6. Anterior cruciate ligament (ACL) injury Anterior cruciate ligament (ACL) injury
    An anterior cruciate ligament injury is the over-stretching or tearing of the anterior cruciate ligament (ACL) in the knee. A tear may be partial or complete. Considerations The knee is similar to a hinge joint, located where the end of the thigh bone (femur) meets the top of the shin bone (tibia)....
  7. Anterior knee pain Anterior knee pain
    Anterior knee pain is pain that occurs at the front and center of the knee. Considerations Your kneecap (patella) sits over the front of your knee joint. As you bend or straighten your knee, the underside of the patella glides over the bones that make up the knee. Strong tendons help attach the pat...
  8. Anterior vaginal wall repair Anterior vaginal wall repair
    Anterior vaginal wall repair is surgery that tightens the front (anterior) wall of the vagina. Description This procedure may be done while you are under general or spinal anesthesia. Under general anesthesia, you will be asleep and unable to feel pain. With spinal anesthesia, you will be awake, bu...
  9. Anthrax Anthrax
    Anthrax is an infectious disease caused by bacteria called Bacillus anthracis. Infection in humans most often involves the skin, the gastrointestinal tract, or the lungs. See also: Inhaltion anthrax Causes Anthrax commonly affects hoofed animals such as sheep and goats, but humans who come into co...
  10. Anti-DNase B Anti-DNase B
    Anti-DNase B is a blood test to look for a substance produced by Group A Streptococcus, the bacteria that cause strep throat. See also: ASLO titer Strep throat Streptococcal screen How the Test is Performed Blood is drawn from a vein, usually from the inside of the elbow or the back of the ...
  11. Anti-glomerular basement membrane Anti-glomerular basement membrane
    The glomerular basement membrane is a part of the kidneys that helps filter waste and extra fluid from the blood. Anti-glomerular basement membrane antibodies are antibodies against this membrane. They can lead to kidney damage. This article describes the blood test to detect these antibodies. How...
  12. Anti-insulin antibody test Anti-insulin antibody test
    The anti-insulin antibody test checks to see if your body has produced antibodies against insulin. How the Test is Performed Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with a germ-killing medicine (antiseptic). The health ...
  13. Anti-reflux surgery Anti-reflux surgery
    Anti-reflux surgery is surgery to correct a problem with the muscles at the bottom of the esophagus (the tube from your mouth to the stomach). Problems with these muscles allow gastroesophageal reflux disease (GERD) to happen. This surgery can also repair a hiatal hernia. Description GERD is a con...
  14. Anti-reflux surgery - children Anti-reflux surgery - children
    Anti-reflux surgery is surgery to repair the muscles at the bottom of the esophagus (the tube that carries food from the mouth to the stomach). Problems with these muscles can lead to gastroesophageal reflux disease (GERD). This surgery can also repair a hiatal hernia. Description A procedure call...
  15. Anti-reflux surgery - children - discharge Anti-reflux surgery - children - discharge
    Your child had surgery to treat gastroesophageal reflux disease (GERD). GERD is a condition that causes food or liquid to come up from the stomach into the esophagus (the tube that carries food from the mouth to the stomach). Your child’s surgeon wrapped the upper part of your child’s ...