Does your child have this rare condition? Learn about Cornelia de Lange Syndrome (CdLS)

As a parent, you probably always think about the health and development of your little one. Sometimes, we come across very rare conditions that we don't hear much about. One such rare but important genetic condition is Cornelia de Lange Syndrome, or (CdLS) for short. Before we get scared about this, let's talk about it simply and clearly and understand what it is.

What exactly is Cornelia de Lan's syndrome (CdLS)?

Simply put, (CdLS) is a very rare genetic condition that is present at birth. It can affect several parts of the child's body. To be precise, it is caused by a change (mutation) in several genes related to the development of our body.

This condition can be seen in two main forms. One is the mild form , and the other is the classic form . Most of the time, when talking about this disease, we are talking about the classic form. However, children with the mild form can also show these same symptoms, but to a lesser extent.

Babies with CdLS are usually born small in weight and size. Their head circumference may also be smaller than that of a normal baby. In medical terms, this is called microcephaly . In addition to these physical changes, there may be some intellectual and behavioral challenges. Some children may also have speech delays.

What are the symptoms of this condition?

Symptoms of CdLS can be seen before or after the baby is born. There are some common features in the appearance of children with this condition. They can also see problems with the digestive system and intellectual development. Let's look at these in a table.

In addition, some children may also develop hearing and vision impairments (for example, myopia).

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What causes this? Is it hereditary?

CdLS is a condition that can affect anyone, regardless of race or gender. In most cases, it is caused by a genetic change that occurs spontaneously and has never been seen in a family before.

So far, about 7 genes have been identified that cause the condition CdLS. A child with this condition may have changes in one or more of these genes. The nature and severity of the disease depend on which gene the genetic change occurs in and how. For example, children with a change in the gene (NIPBL) may have more severe symptoms.

The important thing is that if one child in the family has CdLS, the likelihood of the next child having it is very low (about 1-2%).

However, in rare cases, if one parent has the condition CdLS, there is a 50% chance that the child will inherit it. This is called (Autosomal dominant) inheritance.

How to diagnose the disease?

If you suspect that your child has these symptoms, your first step should be to see a pediatrician .

The doctor will first do a thorough physical examination of the child and ask you about your child's and family's medical history. They will specifically look for physical signs and symptoms that are related to CdLS.

Then, genetic testing may be recommended to confirm the diagnosis. This mainly looks for changes in these genes:

• NIPBL
• SMC1A
• RAD21
• SMC3
• HDAC8

During pregnancy, an ultrasound scan between 18-20 weeks can sometimes detect abnormalities in the baby's face or limbs. This may provide some clues about CdLS.

How is it treated?

It is important to know this: There is no specific treatment that can completely cure CdLS. However, that does not mean that there is nothing we can do. The main goal of treatment is to manage the symptoms of the child and help him or her live as healthy and happy a life as possible.

One doctor is not enough for this. A team of specialists and therapists from various fields come together to create the best treatment plan for the child. This team may include people like:

• Pediatricians
• Cardiologists - for heart disorders
• Physical therapists - to improve body movement and strengthen muscles
• Speech pathologists - for speech and communication problems
• Gastroenterologists - for stomach problems
• Eye specialists and ENT surgeons

In some cases, surgery may be needed to repair a cleft palate or heart defect. Medication may also be given for problems such as stomach acid. All of these decisions are made by the doctors who examine your child.

What can you say about the future?

You may be relieved to hear this. Most children with CdLS live a normal life span. However, because they have some level of intellectual disability, they will need some support and supervision throughout their lives, even into adulthood. This means providing them with a safe environment to live and work, while giving them some independence.

However, in rare cases, certain complications can shorten life expectancy. In particular, recurrent pneumonia, congenital heart defects, and serious digestive problems are at risk if not properly diagnosed and treated.

Therefore, the most important thing is to keep your child under proper medical advice and care. If you do so, your child will have a good chance of living a long, happy life.