
- neurologic problems.
- hydrocephalus: cerebrospinal fluid accumulated in the brain.
- spastic quadriplegia: paralysis of the limbs.
- microcephaly: an abnormally small head.
- ataxia: uncoordinated muscle movement.
- developmental delay.
- vision problems.
- mental and growth retardation.
How does encephalocele affect the nervous system?
An encephalocele at the back of the skull is more likely to cause nervous system problems, as well as other brain and face defects. Signs of encephalocele can include Uncoordinated use of muscles needed for movement, such as those involved in walking and reaching, Seizures.
What happens if you have an encephalocele on your forehead?
Usually encephaloceles are found right after birth, but sometimes a small encephalocele in the nose and forehead region can go undetected. An encephalocele at the back of the skull is more likely to cause nervous system problems, as well as other brain and face defects. Seizures.
Can an encephalocele go undetected?
Usually encephaloceles are found right after birth, but sometimes a small encephalocele in the nose and forehead region can go undetected. An encephalocele at the back of the skull is more likely to cause nervous system problems, as well as other brain and face defects. Signs of encephalocele can include
What are the different types of encephaloceles?
The two types of encephalocele based on protrusion location include: Occipital: located at the back of the head. They are more common in girls. Children that live with occipital encephaloceles often have delays in development, balance and coordination problems, hydrocephalus, and seizures.
How is encephalocele diagnosed?
Most encephaloceles are diagnosed on a routine prenatal ultrasound or seen right away when a baby is born. In some cases, small encephaloceles may initially go unnoticed. These encephaloceles are usually located near the baby's nose or forehead.
How long can you live with encephalocele?
What is my baby's long-term prognosis? Babies with a frontal encephalocele, no associated syndrome or defects, and no brain tissue herniating into the sac have a good chance of survival. Babies with an encephalocele at the back of the head have a 55 percent survival rate.
What are the effects of encephalocele?
Fetal deaths and stillbirths are common. Those that live with occipital encephaloceles often have more problems, including delays in development, problems seeing, balance and coordination problems, hydrocephalus (fluid on the brain) and seizures. Frontonasal (between the nose and forehead).
What is the treatment for encephalocele?
Treatment. Encephalocele is treated with surgery to place the protruding part of the brain and the membranes covering it back into the skull and close the opening in the skull.
How early can you detect encephalocele?
Usually encephaloceles are visible deformities and are diagnosed immediately after birth. Occasionally, a small encephalocele in the nasal or forehead region can go undetected. Sometimes encephaloceles are detected during a routine prenatal ultrasound, at as early as 13 weeks' gestation.
What is another name for encephalocele?
EncephaloceleOther namesCranium bifidumIllustration of a child with encephaloceleSpecialtyMedical geneticsUsual onsetcongenital2 more rows
Is encephalocele genetic?
Encephaloceles are usually dramatic deformities diagnosed immediately after birth; but occasionally a small Encephalocele in the nasal and forehead region can go undetected. There is a genetic component to the condition; it often occurs in families with a history of spina bifida and anencephaly in other family members.
Can you see encephalocele on ultrasound?
Prenatal diagnosis of encephalocele is accomplished by maternal screening of serum α-fetoprotein levels and ultrasound (US). With two-dimensional ultrasound (2D US), encephalocele appears as a defect in the calvarium containing a cystic or solid mass with a gyral pattern that is contiguous with the brain [2].
What are the chances of having another baby with encephalocele?
The recurrence risk of isolated encephalocele is 2% to 5%, but 10% if there are two affected siblings.
Is encephalocele a brain tumor?
Encephaloceles arise from developmental defects in neural tube formation. These lesions contain brain and meninges which herniate through a defect in the skull. These may present as isolated malformations or rarely be associated with brain tumors.
Can adults have encephalocele?
Causes. Encephaloceles and CSF leaks can occur in both adults and children. Encephaloceles and CSF leaks in adults can occur spontaneously or stem from trauma or prior surgery along the skull base.
What causes Rachischisis?
If many adjacent vertebrae are involved, it is called rachischisis. These malformations are caused by failure of the vertebral arches to develop. They are often associated with neural tube malformations and include a meningocele or meningomyelocele with spina bifida and myeloschisis with rachischisis.
Can you live with Rachischisis?
Craniospinal rachischisis is a rare and severe form of neural tube defects (NTDs), which is always fatal.
How long can a child with anencephaly live?
Birth defects in the nervous system (the brain, spine and nerves), like anencephaly, are neural tube defects (NTDs). Neural tube problems develop very early in pregnancy. Babies born with anencephaly live only a few hours or days after birth.
How long do people with anencephaly live?
These data show that over 40 percent of liveborn anencephalic infants (51% males; 34% females) survive longer than 24 hours, and of these, 5 percent are still alive on the seventh day. Data also are presented on the types of malformations observed in addition to anencephaly.
Can an adult have a encephalocele?
Causes. Encephaloceles and CSF leaks can occur in both adults and children. Encephaloceles and CSF leaks in adults can occur spontaneously or stem from trauma or prior surgery along the skull base.
What is an encephalocele ultrasound?
Ultrasound images of the fetus can reveal the presence of a herniated, fluid-filled sac outside the skull. Encephaloceles that go undetected during gestation usually are diagnosed at birth by observation of the deformity. Disorders associated with an encephalocele.
What is the treatment for encephaloceles?
The treatment for an encephalocele is surgery. At UPMC, the preferred surgical treatment for encephaloceles of the skull base is the Endoscopic Endonasal Approach (EEA). This innovative, minimally invasive technique uses the nose and nasal cavities as natural corridors to access hard-to-reach or previously inoperable tumors.
How to diagnose encephaloceles?
Doctors typically can diagnose encephaloceles during a prenatal ultrasound or at birth. The prognosis for this condition depends on the location of the sac and its contents. The outlook is most favorable when the sac does not contain any functional neural tissue. The treatment for an encephalocele is surgery.
How long can encephaloceles stay in the nasal cavity?
In rare cases, a small encephalocele in the nasal cavity can remain undetected for years, even into adulthood.
How does EEA work?
This state-of-the-art, minimally invasive approach allows surgeons to access the tumor through the natural corridor of the nose, without making an open incision. Surgeons then remove the encephalocele through the nose and nasal cavities. EE A offers the benefits of no incisions to heal, no disfigurement, and a faster recovery time.
What is the goal of surgery for encephalocele?
However, if healthy neural tissue is present in the sac, one of the goals of surgery is to preserve it . The surgical approach depends on the location and contents of the encephalocele. If the sac does not contain vital nervous tissue, surgeons simply remove the encephalocele and repair the opening in the skull. Minimally invasive surgery.
What is an encephalocele?
What is Encephalocele? An encephalocele is defined as a very rare birth defect in which nervous tissue protrudes through openings in the skull. This forms a skin-covered sac outside the skull. Less frequently, only a thin membrane covers the sac, increasing its vulnerability.
What is encephalocele?
Early in pregnancy, a fetus develops a narrow channel called a neural tube that folds and closes to form the brain and spinal cord. Encephalocele occurs when the neural tube does not fully close and a combination of brain matter, fluids and membranes protrude from the skull. This is usually seen in the back of the head or near the nose.
What are the causes of encephalocele?
The exact cause of encephalocele is unknown, but the lack of a B vitamin called folic acid during pregnancy could be a contributing factor.
How is encephalocele diagnosed?
Encephalocele can be diagnosed during pregnancy, or it becomes clear upon birth. However, there are times when the protrusion is small enough that it goes undetected for some time.
What are the treatment options for encephalocele?
A child with encephalocele will need surgery to place the protruding matter back into the skull and close the opening. The length of surgery and recovery will depend on the case and location of the protrusion. Multiple surgeries may be needed.
Follow-Up Care
Lasting effects of encephalocele depend on each case. Historically, children with a protrusion on the front of the skull have fewer neurological effects than those with a protrusion at the back of the skull. Neurological issues occurring before surgery will likely continue after the surgery and recovery.
Why CHOC?
As a parent, we understand your top priority is choosing a hospital and team of doctors that will bring the best outcome for your child and family as possible.
What is the prognosis for encephaloceles?
The prognosis for individuals with encephaloceles varies depending on the type of brain tissue involved, the location of the sacs, and the size of encephalocele as well as the brain malformations that may be coexist. In many cases, the brain tissue that projecting is not functional and therefore it can be removed without any problems.
What is the encephalocele?
Encephaloceles are rare neural tube birth defects associated with skull defects characterized by partial lacking of bone fusion leaving a gap through which a portion of the brain sticks out (protrudes). In some cases, cerebrospinal fluid or the membranes that cover the brain (meninges) may also protrude through this opening in the skull. The portion of the brain that sticks outside the skull is usually covered by skin or a thin membrane so that the defect resembles a small sac. Protruding tissue may be located on any part of the head, but most often affects the back of the skull (occipital encephalocele). Occurrence of occipital encephalocele is common in western hemisphere where as anterior encephaloceles are found more often in south East Asia 1). The Centers for Disease Control and Prevention (CDC) estimates that approximately 375 babies are born each year in the United States with an encephalocele. That would be approximately 1 in 10,000 babies each year. Females are more likely to have an encephalocele in the back (occipital area) of the skull, while males are more likely to have one in the front of the skull. In Western populations, encephaloceles are more common in the back of the skull. In Southeast Asia, they are more common in the front of the skull.
What is the condition where cerebrospinal fluid in the skull causes pressure on the brain?
Hydrocephalus (a condition in which excess cerebrospinal fluid in the skull causes pressure on the brain)
How to treat hydrocephalus?
Hydrocephalus may be treated by surgically implanting a shunt that allows excess cerebrospinal fluid to be drained.
What is an encephalocele ultrasound?
An ultrasound exam is a routine examination in which reflected sound waves are used to create an image of the developing fetus. An encephalocele may appear as a cyst on an ultrasound examination. If an encephalocele is diagnosed prenatally, further tests may be recommended to detect whether additional anomalies are present. Such tests can include a prenatal magnetic resonance imaging (fetal MRI).
Where are the encephaloceles located?
Most of the encephaloceles are located at the posterior part of the skull (occipital encephalocele). Occipital encephaloceles have the worst prognosis and often fetus dies before pregnancy is completed.
What is the survival probability of encephalocele?
According to data from the Metropolitan Atlanta Congenital Defects Program 7), the majority of deaths of children with encephalocele occurred during the first day of life and the estimated survival probability to 20 years of age was 67.3%, In addition, factors associated with increased mortality were low birth weight, presence of multiple defects instead of single defect, and Black or African American ancestry.
What causes encephaloceles in the fetus?
The exact cause of encephaloceles is unknown, but most likely the disorder results from the combination of several factors (multifactorial). Encephaloceles are classified as neural tube defects. The neural tube is a narrow channel in the developing fetus that allows the brain and spinal cord to develop.
Why is the location of the encephaloceles important?
The location of the encephaloceles is very important since there are distinct clinical implications for treatment and prognosis for anterior and posterior encephaloceles. Posterior encephaloceles are more often associated with neurological problems.
What is an encephalocele ultrasound?
An ultrasound exam is a routine examination in which reflected sound waves are used to create an image of the developing fetus. An encephalocele may appear as a cyst on an ultrasound examination. If an encephalocele is diagnosed prenatally, further tests may be recommended to detect whether additional anomalies are present. Such tests can include a prenatal magnetic resonance imaging (fetal MRI).
Where is the encephalocele located?
The most common area of skull for the development of an encephalocele is the upper portion from the forehead to the lower back of the skull in the area of the occipital bone. Encephaloceles can also occur near the sinuses, forehead and nose or near the base of the skull.
What is an encephalocele?
General Discussion. Summary. Encephaloceles are rare birth defects associated with skull defects characterized by partial lacking of bone fusion leaving a gap through which a portion of the brain sticks out (protrudes). In some cases, cerebrospinal fluid or the membranes that cover the brain (meninges) may also protrude through this gap. ...
What is the procedure to remove an encephalocele?
The neurosurgeon will cut and remove a portion of the skull (craniotomy), allowing access to the brain. Then, a neurosurgeon will cut through the dura mater, the tough outer covering of the brain.
What are the different types of encephaloceles?
An encephalocele may occur as part of more than 30 different syndromes, including Meckel syndrome, Fraser syndrome, Roberts syndrome, and Walker-Warburg syndrome. Amniotic band syndrome can also be associated with an encephalocele.
What causes it?
The causes of this alteration are, as with spina bifida, a poor closure or the absence of it in the neural tube during the first month of development. In fact, encephalocele sometimes it has been called "bifid skull", considering the same type of malformation as spina bifida, although at the cranial level. And as with this other disorder, the specific causes that cause the neural tube to fail to close properly during fetal development are largely unknown.
What is encephalocele in fetal development?
An encephalocele is understood to be a congenital malformation in which the skull does not finish completely closing during fetal development, which causes part of the matter and substances that would generally be inside the cranial cavity to protrude through the opening, forming a bulge or protrusion in the form of sack that contains it on the outside.
What is the kull in the brain?
The kull i a bone tructure that protect our brain with great effectivene from blow and variou injurie , in addition to allowing the brain to have a defined tructure. The formation of the neural tube a
What is the skull?
The skull is a bone structure that protects our brain with great effectiveness from blows and various injuries, in addition to allowing the brain to have a defined structure. The formation of the neural tube assembly It is carried out during the first month of fetal development, closing between the third and fourth week and allowing the brain to be protected by said bone covering.
Why is psychoeducation important for minors?
Psychologically, it is very useful the presence of psychoeducation and counseling for the minor's environment It is a condition that can generate painful sensations, fear and even sometimes feelings of guilt in the parents.
Why is it important to have a skull surgery?
It is especially important to perform this surgery if there is an open lesion (that is, if there is no skin covering the sac) or if the sac makes it very difficult for the baby to breathe .
Can encephalocele be fatal?
In addition to it, specific symptomatology should be treated that the problem may have caused. Encephalocele is a condition that does not have to be fatal. However, in some cases this affectation can lead to the death of the minor, in which case palliative care will be carried out until the minor dies.

What Is Encephalocele?
How Many Babies Are Born with Encephalocele?
- Researchers estimate that about 1 in every 10,500 babies is born with encephalocele in the United States.1
Causes
- Although the exact cause of encephalocele is unknown, scientists believe that many factors are involved. There is a genetic (inherited) component to the condition, meaning it often occurs in families that have family members with other defects of the neural tube: spina bifida and anencephaly. Some researchers also believe that certain environmental exposures before or dur…
Diagnosis
- Usually encephaloceles are found right after birth, but sometimes a small encephalocele in the nose and forehead region can go undetected. An encephalocele at the back of the skull is more likely to cause nervous system problems, as well as other brain and face defects. Signs of encephalocele can include 1. Buildup of too much fluid in the brain, 2...
Treatment
- Encephalocele is treated with surgery to place the protruding part of the brain and the membranes covering it back into the skull and close the opening in the skull. However, neurologic problems caused by the encephalocele will still be present. Long-term treatment depends on the child’s condition. Multiple surgeries may be needed, depending on the location of the encephalocele an…
References
- Mai CT, Isenburg JL, Canfield MA, Meyer RE, Correa A, Alverson CJ, Lupo PJ, Riehle‐Colarusso T, Cho SJ, Aggarwal D, Kirby RS. National population‐based estimates for major birth defects, 2010–2014....
- Wang Y, Liu G, Canfield MA, Mai CT, Gilboa SM, Meyer RE, Anderka M, Copeland GE, Kucik JE, Nembhard WN, Kirby RS; National Birth Defects Prevention Network. Racial/ethnic differ…
- Mai CT, Isenburg JL, Canfield MA, Meyer RE, Correa A, Alverson CJ, Lupo PJ, Riehle‐Colarusso T, Cho SJ, Aggarwal D, Kirby RS. National population‐based estimates for major birth defects, 2010–2014....
- Wang Y, Liu G, Canfield MA, Mai CT, Gilboa SM, Meyer RE, Anderka M, Copeland GE, Kucik JE, Nembhard WN, Kirby RS; National Birth Defects Prevention Network. Racial/ethnic differences in survival of...
- Siffel C, Wong LC, Olney RS, Correa A. Survival of infants diagnosed with encephalocele in Atlanta, 1978-98. Paediatr Perinat Epidemiol. 2003;17:40-8.