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Skull fracture

Basilar skull fracture; Depressed skull fracture; Linear skull fracture

 

A skull fracture is a fracture or break in the cranial (skull) bones.

Considerations

 

Skull fractures may occur with head injuries. The skull provides good protection for the brain. However, a severe impact or blow can cause the skull to break. It may be accompanied by concussion or other injury to the brain.

The brain can be affected directly by damage to the nervous system tissue and bleeding. The brain can also be affected by bleeding under the skull . This can compress the underlying brain tissue (subdural or epidural hematoma).

A simple fracture is a break in the bone without damage to the skin.

A linear skull fracture is a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone.

A depressed skull fracture is a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain.

A compound fracture involves a break in, or loss of, skin and splintering of the bone.

 

Causes

 

Causes of skull fracture can include:

  • Head trauma
  • Falls, automobile accidents, physical assault, and sports

 

Symptoms

 

Symptoms may include:

  • Bleeding from wound, ears, nose, or around eyes
  • Bruising behind the ears or under the eyes
  • Changes in pupils (sizes unequal, not reactive to light)
  • Confusion
  • Convulsions
  • Difficulties with balance
  • Drainage of clear or bloody fluid from ears or nose
  • Drowsiness
  • Headache
  • Loss of consciousness
  • Nausea and vomiting
  • Restlessness, irritability
  • Slurred speech
  • Stiff neck
  • Swelling
  • Visual disturbances

In some cases, the only symptom may be a bump on the head. A bump or bruise may take up to 24 hours to develop.

 

First Aid

 

Take the following steps if you think someone has a skull fracture:

  1. Check the airways, breathing, and circulation. If necessary, begin rescue breathing and CPR.
  2. Avoid moving the person (unless absolutely necessary) until medical help arrives. Have someone to call 911 (or the local emergency number) for medical assistance.
  3. If the person must be moved, take care to stabilize the head and neck. Place your hands on both sides of the head and under the shoulders. Do not allow the head to bend forward or backward, or to twist or turn.
  4. Carefully check the site of injury, but do not probe in or around the site with a foreign object. It can be hard to know if the skull is fractured or depressed (dented in) at the site of injury.
  5. If there is bleeding, apply firm pressure with a clean cloth over a broad area to control blood loss.
  6. If blood soaks through, do not remove the original cloth. Instead, apply more cloths on top, and continue to apply pressure.
  7. If the person is vomiting, stabilize the head and neck, and carefully turn the victim to the side to prevent choking on vomit.
  8. If the person is conscious and experiencing any of the previously listed symptoms, transport to the nearest emergency medical facility (even if the person does not think medical help is needed).

 

Do Not

 

Follow these precautions:

  • Do NOT move the person unless absolutely necessary. Head injuries may be associated with spinal injuries.
  • Do NOT remove protruding objects.
  • Do NOT allow the person to continue with physical activities.
  • Do NOT forget to watch the person closely until medical help arrives.
  • Do NOT give the person any medicines before talking to a doctor.
  • Do NOT leave the person alone, even if there are no obvious problems.

 

When to Contact a Medical Professional

 

Get medical help right away if:

  • There are problems with breathing or circulation.
  • Direct pressure does not stop bleeding from the nose, ears, or wound.
  • There is drainage of clear fluid from the nose or ears.
  • There is facial swelling, bleeding, or bruising.
  • There is an object protruding from the skull.
  • The person is unconscious, is experiencing convulsions, has multiple injuries, appears to be in any distress, or cannot think clearly.

 

Prevention

 

Not all head injuries can be prevented. The following simple steps can help keep you and your child safe:

  1. Always use safety equipment during activities that could cause a head injury. These include seat belts, bicycle or motorcycle helmets, and hard hats.
  2. Learn and follow bicycle safety recommendations.
  3. Do not drink and drive. Do not allow yourself to be driven by someone who may have been drinking alcohol or is otherwise impaired.

 

 

References

Heegaard WG, Biros MH, Head injury. In: Marx JA, Hockberger RS, Walls RM, et al, eds. Rosen's Emergency Medicine: Concepts and Clinical Practice. 8th ed. Philadelphia, PA: Elsevier Saunders; 2014:chap 41.

Kerr HA. Closed head injury. Clin Sports Med. 2013;32:273-287. PMID: 23522509 www.ncbi.nlm.nih.gov/pubmed/23522509.

Ling GSF. Traumatic brain injury and spinal cord injury. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 25th ed. Philadelphia, PA: Elsevier Saunders; 2016:chap 399.

 
  • Skull of an adult

    Skull of an adult - illustration

    This picture shows a normal skull of an adult.

    Skull of an adult

    illustration

  • Skull fracture

    Skull fracture - illustration

    Although the skull is tough, resilient, and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain. Some of the different types of skull fracture include: Simple: a break in the bone without damage to the skinLinear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of boneDepressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brainCompound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur. Simple: a break in the bone without damage to the skin Linear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone Depressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain Compound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur.

    Skull fracture

    illustration

  • Skull fracture

    Skull fracture - illustration

    Although the skull is tough, resilient, and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain. Some of the different types of skull fracture include: Simple: a break in the bone without damage to the skinLinear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of boneDepressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brainCompound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur. Simple: a break in the bone without damage to the skin Linear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone Depressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain Compound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur.

    Skull fracture

    illustration

  • Battle's sign - behind the ear

    Battle's sign - behind the ear - illustration

    Skull fractures are common in children and result from accidents (the majority are automobile or auto/bike accidents) or abuse. Battle's sign is seen several days following a basilar skull fracture. There may have been bloody drainage from the ear immediately after the fracture occurred.

    Battle's sign - behind the ear

    illustration

  • Infant skull fracture

    Infant skull fracture - illustration

    Skull fractures may occur with head injuries. Although the skull is both tough and resilient and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain.

    Infant skull fracture

    illustration

    • Skull of an adult

      Skull of an adult - illustration

      This picture shows a normal skull of an adult.

      Skull of an adult

      illustration

    • Skull fracture

      Skull fracture - illustration

      Although the skull is tough, resilient, and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain. Some of the different types of skull fracture include: Simple: a break in the bone without damage to the skinLinear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of boneDepressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brainCompound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur. Simple: a break in the bone without damage to the skin Linear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone Depressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain Compound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur.

      Skull fracture

      illustration

    • Skull fracture

      Skull fracture - illustration

      Although the skull is tough, resilient, and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain. Some of the different types of skull fracture include: Simple: a break in the bone without damage to the skinLinear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of boneDepressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brainCompound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur. Simple: a break in the bone without damage to the skin Linear or hairline: a break in a cranial bone resembling a thin line, without splintering, depression, or distortion of bone Depressed: a break in a cranial bone (or "crushed" portion of skull) with depression of the bone in toward the brain Compound: a break in or loss of skin and splintering of the bone. Along with the fracture, brain injury, such as subdural hematoma (bleeding) may occur.

      Skull fracture

      illustration

    • Battle's sign - behind the ear

      Battle's sign - behind the ear - illustration

      Skull fractures are common in children and result from accidents (the majority are automobile or auto/bike accidents) or abuse. Battle's sign is seen several days following a basilar skull fracture. There may have been bloody drainage from the ear immediately after the fracture occurred.

      Battle's sign - behind the ear

      illustration

    • Infant skull fracture

      Infant skull fracture - illustration

      Skull fractures may occur with head injuries. Although the skull is both tough and resilient and provides excellent protection for the brain, a severe impact or blow can result in fracture of the skull and may be accompanied by injury to the brain.

      Infant skull fracture

      illustration

    Self Care

     

      Tests for Skull fracture

       

       

      Review Date: 11/4/2015

      Reviewed By: Jesse Borke, MD, FACEP, FAAEM, Attending Physician at FDR Medical Services/Millard Fillmore Suburban Hospital, Buffalo, NY. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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