What causes Scaphocephaly?

By | January 17, 2022

Scaphocephaly is caused by the early fusion of the sagittal suture which runs from front to back at the top of the skull. Early fusion of a suture in infancy is called synostosis and this type is the most common form of craniosynostosis.

What does Scaphocephaly mean?

Medical Definition of scaphocephaly : a congenital deformity of the skull in which the vault is narrow, elongated, and boat-shaped because of premature ossification of the sagittal suture.

What is Scaphocephalic skull?

Scaphocephaly (also known as dolichocephaly) is the most common form of craniosynostosis, where premature closure of the sagittal suture results in an impediment to the lateral growth of the skull while anteroposterior growth continues, producing a classic elongated, yet narrow, skull.

What does Scaphocephaly look like?

Scaphocephaly, from the Greek, meaning ‘light boat’ head, to describe a head that is long and narrow resembling an inverted boat. This head shape is sometimes also referred to as dolichocephaly. The head appears long and the forehead can protrude and become square-shaped.

Can Scaphocephaly be normal?

Yes, and some are more common than others. Scaphocephaly (also called sagittal synostosis) is the most common form of craniosynostosis, occurring in 50 to 60 percent of cases. It is characterized by a skull that is narrow from ear to ear. Scaphocephaly is also associated with increased pressure on the brain.

How do you treat Scaphocephaly?

Your doctor may recommend a specially molded helmet to help reshape your baby’s head if the cranial sutures are open and the head shape is abnormal. In this situation, the molded helmet can assist your baby’s brain growth and correct the shape of the skull. However, for most babies, surgery is the primary treatment.

What is cloverleaf skull?

Cloverleaf deformity is an extremely rare skull deformity that happens when several joints (sutures) between a baby’s skull bones begin to fuse too early. Also known as Kleeblattschdel syndrome, the cloverleaf deformity causes bulging at the front and sides of the skull, resembling a cloverleaf shape.

What is Lambdoid craniosynostosis?

Lambdoid. Lambdoid synostosis is a rare type of craniosynostosis that involves the lambdoid suture, which runs along the back of the head. It may cause one side of your baby’s head to appear flat, one ear to be higher than the other ear and tilting of the top of the head to one side.

What is Brachycephaly head?

brachycephaly the back of the head becomes flattened, causing the head to widen, and occasionally the forehead bulges out.

How do I know if my baby has craniosynostosis?

Craniosynostosis Symptoms

  1. A full or bulging fontanelle (soft spot located on the top of the head)
  2. Sleepiness (or less alert than usual)
  3. Very noticeable scalp veins.
  4. Increased irritability.
  5. High-pitched cry.
  6. Poor feeding.
  7. Projectile vomiting.
  8. Increasing head circumference.

Can you feel coronal suture?

When both coronal sutures are affected, a ridge can be felt on both sides of the head running from the top of the skull down the sides in front of the ears. Depending how early this is discovered, the forehead will appear flat and under-projected.

Does sagittal craniosynostosis always require surgery?

The mildest forms of craniosynostosis do not require treatment. These cases manifest as mild ridging without significant deformity. Most cases, however, do require surgical management.

Can scaphocephaly be corrected with helmet?

If your child is diagnosed with deformational plagiocephaly, brachycephaly or scaphocephaly and is less than 12 months old, cranial remolding may be prescribed to correct the shape of the baby’s head. Helmets must be prescribed by a licensed physician.

How is scaphocephaly prevented?

Parents can prevent the development of acquired (after-birth) plagiocephaly, brachycephaly, and scaphocephaly by:

  1. Providing sufficient tummy time during the day, when the baby is awake, starting soon after birth.
  2. Varying the position of the baby frequently.

What is craniosynostosis scaphocephaly?

Sagittal craniosynostosis, also called scaphocephaly or dolichocephaly, is the most common type of craniosynostosis, which occurs when bones in an infant’s head fuse together abnormally. The experienced doctors at St. Louis Children’s Hospital have been treating scaphocephaly for decades.

Is scaphocephaly genetic?

The majority of cases are sporadic but familial cases with autosomal dominant inheritance have been described (6% of all cases).

Is scaphocephaly head shape normal?

In infants with scaphocephaly, the shape of the skull may become normal with maturity. For those with mild scaphocephaly, such as this patient, reassurance and clinical follow-up may be all that is needed.

What is a normal skull shape?

However, naturally, the normal head shape when viewed from above should look similar to an egg, slightly wider at the back than the front. The ideal is thought to be 20% longer than it is wide and there should be no asymmetry or difference between the left and right sides.

At what age is craniosynostosis surgery done?

Most procedures for the treatment of craniosynostosis are performed before the age of one year, and some are performed before 3-4 months of age. Almost any child with a fused suture is a candidate for surgery.

When should I be concerned about my baby’s head shape?

Let your doctor know immediately if you notice anything unusual or different about your baby’s head shape, like: your baby’s head shape is still misshapen 2 weeks or more after birth. a bulging or swollen spot on your baby’s head. a sunken soft spot on your baby’s head.

What surgery fixes craniosynostosis?

Cranial vault remodeling: This is the surgical approach that doctors have relied on for decades to treat craniosynostosis. This is typically performed for babies 5-6 months of age or older. In this surgery, a team of doctors:. Makes an incision along a baby’s scalp.

What is strawberry head?

A strawberry-shaped skull, or trigonocephaly, is characterized by flattening of the occiput with pointing of the frontal bones. It has been previously described in fetuses with trisomy 181 ,2 and in a case of thanatophoric dysplasia.

Is Pfeiffer syndrome fatal?

Most individuals with Pfeiffer syndrome type 1 have a normal intelligence and life span, while types 2 and 3 typically result in neurodevelopmental disorders and early death. Pfeiffer syndrome affects about 1 in 100,000 births.

Is Pfeiffer syndrome treatable?

Type 1 Pfeiffer syndrome is treatable with early surgery, physical therapy, and long-term surgery planning. Type 2 and 3 don’t happen very often. Like Type 1, they can often be treated with long-term surgery and reconstruction of your child’s skull, hands, feet, and other bones and organs that may be affected.

What is Metopic craniosynostosis?

Metopic synostosis The metopic suture runs from the baby’s nose to the sagittal suture at the top of the head. If this suture closes too early, the top of the baby’s head shape may look triangular, meaning narrow in the front and broad in the back (trigonocephaly). This is one of the rarest types of craniosynostosis.

What is Pfeiffer syndrome?

Pfeiffer syndrome is a rare genetic disorder characterized by premature fusion of certain skull bones (craniosynostosis), and abnormally broad and medially deviated thumbs and great toes. Most affected individuals also have differences to their midface (protruding eyes) and conductive hearing loss.

How serious is craniosynostosis?

If left untreated, craniosynostosis can lead to serious complications, including: Head deformity, possibly severe and permanent. Increased pressure on the brain. Seizures.

What causes brachycephalic?

What Causes Brachycephaly? Brachycephaly develops when the natural growth of a baby’s head meets external pressure, which in turn inhibits growth to that area of the head.

What is the difference between Brachycephaly and plagiocephaly?

The head can become flattened at one side, causing the head to look asymmetrical and distorted (for example, so that the ears are not aligned). This is known as plagiocephaly. The whole back of the head can become flattened, causing a widening of the head. This is known as brachycephaly.

What is it called when your head is bigger than your body?

Macrocephaly refers to an overly large head. It’s often a symptom of complications or conditions in the brain. There’s a standard used to define macrocephaly: The circumference of a person’s head is more than two standard deviations above average for their age.