Tuberous sclerosis Overview Tuberous sclerosis (TOO-bur-us skluh-ROH-sis), also called tuberous sclerosis complex (TSC), is an uncommon genetic disorder that causes tumors to develop in many parts of the body. These tumors are not cancer. Noncancerous tumors, also called benign tumors, are overgrowths of cells and tissue that are not expected. Symptoms vary widely, depending on where the growths develop and how big they get. Tuberous sclerosis is often first found during infancy or childhood. Sometimes tuberous sclerosis can have such mild symptoms that the condition isn't diagnosed until adulthood, or it's not diagnosed at all. Sometimes tuberous sclerosis causes serious disabilities. There is no cure for tuberous sclerosis, and the course of the disorder and how bad it gets can't be predicted. But treatments are available to manage symptoms. Symptoms Tuberous sclerosis symptoms are caused by noncancerous growths in parts of the body, most commonly in the skin, brain, eyes...
Trisomy 18 Overview Trisomy 18 is a serious genetic condition. It is also sometimes called Edward syndrome. It can cause many different symptoms that are most often life-limiting. Not all babies with trisomy 18 will have the same differences or challenges. Some common things that can be caused by trisomy 18 include: Heart problems Kidney problems Clenched hands Slow growth during pregnancy Cleft lip and / or palate Trisomy 18 also causes challenges after birth, such as: Breathing problems Severe intellectual disability Feeding problems Seizures Hearing problems Who does Edwards syndrome (trisomy 18) affect? Edwards syndrome (trisomy 18) can affect anyone. The condition occurs when a person has an extra copy of chromosome 18, which is random and unpredictable. The likelihood that a parent will have a child with Edwards syndrome (trisomy 18) increases with maternal age at the time of pregnancy. If a parent had a child with Edwards syndrome (trisomy 18) and becomes pregnant again, it’s un...