A newborn's skin is usually very smooth and soft, right? But think about it, sometimes some babies are born with very rare, slightly serious skin conditions. One such rare, and at first glance, a skin disease is called Harlequin Ichthyosis. You may feel a little worried when you hear about this, but let's talk about it in detail and simply.
What is Harlequin Ichthyosis?
Simply put, Harlequin Ichthyosis is a very rare genetic skin condition that affects newborns. When a baby is born with this condition, their entire body is covered in thick, hard, scaly plates of skin. They look like diamond-shaped pieces. These plates are so hard that they can crack and peel off.
This tightness of the skin can even change the shape of the baby's face. Areas like the ears, eyelids, nose, and mouth may become stretched and deformed. Not only that, but the movements of the limbs may be limited, and it may even be difficult to eat and breathe.
Our skin is like a protective barrier between our body and the environment. But in this case of Harlequin Ichthyosis, this protective barrier is disrupted due to these abnormalities in the baby's skin. Then, here are the problems that arise:
- It becomes difficult to control the release of water from the body.
- Body temperature cannot be maintained properly.
- The ability to fight infections decreases.
This makes the baby more susceptible to dehydration and serious, life-threatening infections in the first few weeks of life. After the newborn period, those thick layers gradually peel off, leaving a red, scaly appearance all over the baby's skin.
Harlequin Ichthyosis is the most severe form of the skin disease ichthyosis. There are more than 20 different types of ichthyosis. Examples include lamellar ichthyosis and ichthyosis vulgaris. In the past, babies born with Harlequin Ichthyosis had a very low survival rate. However, with advanced treatments and intensive medical care, babies have a much higher chance of surviving childhood and adolescence.
This disease is known by other names:
- ``Autosomal recessive congenital ichthyosis — harlequin type ichthyosis''
- `Harlequin baby syndrome`
- `Harlequin fetus`
- `Ichthyosis congenita`
- `Ichthyosis fetalis`
How common is this condition?
This is a very rare condition. Even in a country like the United States, this disease affects about one in every 300,000 to 500,000 babies born. This is a very rare condition in Sri Lanka as well.
What are the symptoms of Harlequin Ichthyosis?
Babies with Harlequin Ichthyosis are often born prematurely. When they are born, their bodies are covered with thick, plate-like scales. The skin is so thick that deep fissures form between the scales. Also, the baby's eyelids and lips are turned inside out because of the skin stretching. The chest and stomach are stretched tightly, making it difficult to breathe and eat.
Here are some other symptoms:
- Having a flat nose.
- The ears are positioned as if they are attached to the head.
- Hands and feet become small and swollen.
- Abnormal hearing.
- Frequent respiratory infections.
- Decreased joint mobility.
- Low body temperature.
What causes this?
The main cause of Harlequin Ichthyosis is a genetic mutation in the gene called ABCA12 . This ABCA12 gene instructs our body to produce a protein that is essential for the growth of healthy skin cells. One of the most important functions of this protein is to transport lipids to the outermost layer of the skin, the epidermis, and create a protective barrier.
In people with this disease, the body produces very little or no ABCA12 protein. This disrupts the normal development of the epidermis, leading to severe symptoms.
This condition is inherited in an autosomal recessive manner. Simply put, this means that a child must inherit two copies of the affected gene – one from the mother and one from the father. Both parents can be carriers of the mutated gene. This means that they have the gene, but usually do not show symptoms.
What are the possible complications?
The complications of Harlequin Ichthyosis can vary in severity. Some of the complications include:
- Decreased hair growth.
- Deformities of the nails.
- The skin often itches.
- Difficulty tolerating heat and cold.
- Recurrent skin infections.
- Electrolyte imbalances in the body.
- Stiffening and hardening of muscles, tendons, skin, and other tissues.
- Respiratory distress and failure.
- Sepsis is a sudden, severe bacterial infection.
How is the diagnosis made?
Often, doctors can diagnose the condition based on the baby's physical appearance right after birth. If someone in the family has had the condition before, doctors may recommend prenatal genetic testing during pregnancy to check for mutations in the ABCA12 gene. Also, sometimes ultrasound scans done during the second and third trimesters of pregnancy can detect the condition.
What are the treatments for Harlequin Ichthyosis?
As soon as a baby with this condition is born, he or she is admitted to the Neonatal Intensive Care Unit (NICU) . There, the baby is placed in an incubator with high humidity to help control the baby's body temperature. Here's how nurses care for the baby:
- Frequent breastfeeding.
- Wash your body regularly to soften the skin and help remove scales.
- To remove scales, sometimes gently rub with something like a pumice stone or a rough sponge.
- Apply moisturizers to reduce skin dryness and provide skin elasticity.
If your baby has a severe case of Harlequin Ichthyosis, you can treat it with an oral retinoid called etretinate . This medication helps to get rid of the thick, scaly skin. It can also help to relieve symptoms such as numbness in the fingers, difficulty breathing, tightness in the chest, and difficulty eating. However, these oral retinoids can cause serious side effects when used long-term, so doctors only use them if your baby has severe symptoms.
NICU (Intensive Care Unit) Care
While your baby is in the neonatal intensive care unit (NICU), specialist doctors and nursing staff monitor your baby very closely. They are constantly monitoring body temperature, fluid levels, and signs of infection . They use special dressings and ointments to keep the skin moist. Sometimes, the baby may need to be fed through a tube.
Specialty drugs
In addition to the oral retinoids mentioned above, you will also need antibiotics to prevent infection, pain relievers, and creams to reduce dryness and itching. All of these should be used as directed by your doctor.
Long-term treatment group
Even though you can take your baby home after the thick skin flakes have fallen off, you will still need ongoing medical care and attention. Harlequin Ichthyosis requires the help of a multidisciplinary team of doctors. This team may include:
- Neonatologists
- Dermatologists
- Plastic surgeons
- Geneticists
- Ophthalmologists
- Otolaryngologists (ear, nose, and throat specialists)
- Physical therapists
- Orthopedists
- Nutritionists
This medical team works to provide the child with the necessary treatment throughout his or her life.
What can I expect if my child has this condition?
Harlequin Ichthyosis is a chronic condition, meaning it requires lifelong care. Therefore, it is important to find a dermatologist who specializes in this condition. This will ensure that your child receives the necessary treatment throughout their life. It is also important to establish a daily skin care routine that will help control any skin problems (scaly, cracked, itchy skin). This routine will need to be followed throughout their life.
In addition to skin problems, the child's fingers and toes may become thickened and stiff . This may make it difficult for him to grasp things. Also, the ankles and knees may become stiff, making it difficult for him to walk. There may also be some delay in the child's physical growth and development . However, mental development should occur normally.
Taking care of a child like this is a challenge, but it is very important to act with proper medical advice, love, and patience.
What is the outlook for this disease?
Despite advances in treatment for Harlequin Ichthyosis, unfortunately, some babies still die from the condition. In one study, 44% of babies born with the condition died. The leading causes of death in the first three months of life were sepsis, respiratory failure, or a combination of both.
However, early treatment with drugs such as oral retinoids has been shown to increase survival rates. In the same study mentioned earlier, 83% of babies treated with oral retinoids survived.
Can Harlequin Ichthyosis be prevented?
This is a genetic condition and cannot be prevented. If someone in your family has this condition, or has had it in the past, it is a good idea to talk to a doctor about genetic testing or genetic counseling . That information can be helpful when making decisions about having another child.
How do I take care of my child?
If your child has this condition, here are some things to help care for them:
- Learn about your child's condition thoroughly. Read reliable sources and try to become an expert on this.
- Keep your child as healthy as possible. Feed him nutritious food, make sure he gets enough exercise, and take him to regular medical checkups.
- Find what works for your child. Every child is different. What works for one person may not work for another. Develop a daily skin care routine that suits your child's needs.
- Consider the child's environment. Excessively dry, cold, or hot environmental conditions, as well as ``forced air heat,'' can make a child's skin even drier and more fragile. This can also affect the child's overall well-being.
- Keep a personal skin care kit. Always keep a bag with the things your child needs, such as sunscreen, ointment, and painkillers.
- Give your child some responsibility. Little by little, your child will learn how to take care of their own skin. Give your child some responsibility for their own skin care needs.
- In infancy: Encourage skin-to-skin care and breastfeeding.
Important questions to ask your doctor
If your child has Harlequin Ichthyosis, you may have many questions. Here are some questions you can ask the doctor:
- Is Harlequin Ichthyosis painful?
- Why is this more severe than other types of ichthyosis?
- What treatment do you recommend for my child?
- How can I help my child live a normal life?
- What are the triggers that can worsen the child's condition and should be avoided?
- Isn't it better for my child to go out in the sun?
- What other complications or health conditions should I watch out for?
- Where can I find a good support network?
Finally, remember this ! (Take-Home Message)
It's normal to feel scared and shocked when you find out that your baby has a rare condition like Harlequin Ichthyosis. You may feel alone and unsure of what to do. But the most important thing is to find doctors who are knowledgeable about this disease. They can help your child manage the condition, and guide you to find the help and support you need.
Talking to other parents of children with similar conditions can be a great source of strength. By sharing experiences and advice, you can find ways to help your child live well. It's not easy to see your child living with a rare skin disease, but remember, there are many children who are living happily with these conditions. You are not alone. With the right knowledge, support, and love, you can face this challenge.
` Harlequin Ichthyosis, genetic skin disease, newborn skin condition, ABCA12 gene, ichthyosis, skin barrier, neonatal care, retinoids
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