Arthroscopy facts Arthroscopy is a surgical procedure that can be performed for diagnosis and/or treatment of joint abnormalities. Arthroscopy is most often an outpatient procedure. Arthroscopy can be performed u...

ASAH1-Related Disorders is a group of rare genetic disorders caused by mutations in the ASAH1 gene. These disorders are characterized by a range of neurological symptoms, including intellectual disability, seizures, and movement disorders. They ca...

Asbestos intoxication is a condition caused by the inhalation of asbestos fibers. It is a form of poisoning that can lead to serious health problems, including lung cancer, mesothelioma, and asbestosis. Symptoms of asbestos intoxication include co...

What is the definition of asbestos? Asbestos is a family of naturally occurring silica compounds (similar to, but not the same as, the silica of window glass and computer chips). These substances form fibers with varying shapes and sizes a...

Ascher syndrome is a rare neurological disorder characterized by the combination of spastic diplegia (a form of cerebral palsy) and oculomotor apraxia (a disorder of eye movement). It is caused by a mutation in the gene that codes for the protein ...

Ascites is the accumulation of fluid (usually serous fluid which is a pale yellow and clear fluid) in the abdominal (peritoneal) cavity. The abdominal cavity is located below the chest cavity, separated from it by the diaphragm. Ascitic fluid can ...

Asherman syndrome is a condition in which the walls of the uterus become scarred and fused together. This can lead to infertility, recurrent miscarriages, and other complications. It is usually caused by damage to the uterine lining due to surgery...

Asherman's Syndrome is a condition in which the uterine walls become scarred and adhered to each other, resulting in the formation of bands of scar tissue. This can lead to infertility, recurrent miscarriages, and other complications. It is usuall...

Ashersona's Syndrome is a rare genetic disorder that affects the nervous system. It is characterized by a combination of physical and mental symptoms, including developmental delays, intellectual disability, seizures, and behavioral problems. It i...

Aspartylglucosaminuria (AGU) is a rare genetic disorder caused by a deficiency of the enzyme aspartylglucosaminidase. This enzyme is responsible for breaking down certain proteins in the body, and when it is deficient, these proteins accumulate in...

Aspartylglycosaminuria (AGU) is a rare inherited metabolic disorder caused by a deficiency of the enzyme aspartylglucosaminidase. It is characterized by the accumulation of certain complex carbohydrates in the body, which can lead to physical and ...

Asperger’s syndrome, though no longer an official diagnosis, belongs to a group of neurodevelopment conditions known as autism spectrum disorder (ASD). Experts consider what was previously diagnosed as Asperger’s syndrome t...

Aspergillosis is a type of fungal infection caused by the fungus Aspergillus. It can affect both humans and animals, and can range from mild to life-threatening. Symptoms vary depending on the type of infection, but may include coughing, chest pai...

Asphyxiating thoracic dystrophy (ATD), also known as Jeune syndrome, is a rare genetic disorder that affects the development of the chest and abdomen. It is characterized by a narrow chest cavity, short ribs, and a small abdomen. This can lead to ...

Asphyxiating thoracic dystrophy (Jeune Syndrome) is a rare genetic disorder that affects the development of the chest and abdomen. It is characterized by a narrow chest cavity, short ribs, and a protruding abdomen. This condition can lead to respi...

A disorder in which a person's airways become inflamed, constrict, and bulge, as well as cre...

In childhood asthma, the lungs and airways become easily inflamed when exposed to certain triggers, such as inhaling pollen or catching a cold or other respiratory infection. Childhood asthma can cause bothersome daily symptoms t...

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