9p13 microdeletion syndrome is a rare genetic disorder caused by a deletion of genetic material on the short arm of chromosome 9. It is characterized by intellectual disability, developmental delays, and physical abnormalities. Common features inc...

9q21.13 microdeletion syndrome is a rare genetic disorder caused by the deletion of a small piece of genetic material from a specific region of chromosome 9. It is characterized by intellectual disability, developmental delay, and a variety of phy...

9q31.1q31.3 microdeletion syndrome is a rare genetic disorder caused by the deletion of a small piece of genetic material from the long arm of chromosome 9. It is characterized by intellectual disability, developmental delay, and a variety of phys...

9q33.3q34.11 microdeletion syndrome is a rare genetic disorder caused by the deletion of a small piece of genetic material from the long arm of chromosome 9. It is characterized by intellectual disability, developmental delay, and a variety of phy...

AA amyloidosis is a rare type of amyloidosis caused by the buildup of abnormal proteins called amyloid A (AA) in the body's organs and tissues. It is a systemic disorder, meaning it can affect multiple organs and systems in the body. AA amyloidosi...

AApoAIV amyloidosis is a rare, inherited form of amyloidosis caused by a mutation in the apolipoprotein A-IV gene. It is characterized by the buildup of amyloid deposits in the heart, kidneys, and other organs, leading to organ dysfunction and fai...

Aarskog Syndrome, also known as Aarskog-Scott Syndrome, is a rare genetic disorder that affects physical and mental development. It is caused by a mutation in the X-chromosome and is characterized by short stature, facial abnormalities, skeletal m...

Aase-Smith syndrome is a rare genetic disorder that affects the development of the bones, muscles, and other tissues. It is characterized by skeletal abnormalities, including short stature, joint contractures, and scoliosis, as well as facial abno...

Abdominal adhesions are bands of tissue that form between abdominal tissues and organs. these vary from a consistency of wet tissue paper, which are of little significance, to a strong, fibrous band that can readily cause obstruction. Normally, in...

Abdominal aortic aneurysm facts An aneurysm is an abnormal area of localized widening of a blood vessel. The aorta bulges at the site of an aneurysm like a weak spot on a worn tire. Aortic aneurysms are typically ...

Abdominal aortic aneurysm facts An aneurysm is an abnormal area of localized widening of a blood vessel. The aorta bulges at the site of an aneurysm like a weak spot on a worn tire. Aortic aneurysms are typically ...

Abdominal migraine in children facts Abdominal migraine is believed to be a variant of migraine that is common in children but rare in adults. Abdominal migraine is characterized by pain in the center of the abdomen that m...

Abdominal migraine in children facts Abdominal migraine is believed to be a variant of migraine that is common in children but rare in adults. Abdominal migraine is characterized by pain in the center of the abdomen that m...

Abdominal pain facts Abdominal pain is pain that is felt in the part of the trunk below the ribs and above the pelvis. Abdominal pain comes from organs within the abdomen or organs adjacent to the abdomen. Abdomi...

Gastroschisis is a rare congenital disorder in which a defect is present in the wall of the abdomen. Typically there is a small abdominal cavity with herniated abdominal organs that usually appear on the right side of the abdomen. There is no memb...

ABeta amyloidosis, Arctic type is a rare, inherited form of amyloidosis caused by a mutation in the TTR gene. It is characterized by the buildup of amyloid deposits in the heart, kidneys, and other organs. Symptoms of Arctic type ABeta amyloidosis...

ABeta amyloidosis, Dutch type is a rare genetic disorder caused by a mutation in the TTR gene. It is characterized by the accumulation of amyloid deposits in the heart, kidneys, and other organs. Symptoms may include heart failure, kidney failure,...